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Document and Entity Information - USD ($) $ in Billions	12 Months Ended
Document and Entity Information - USD ($) $ in Billions	Dec. 31, 2013	Feb. 14, 2014	Jun. 30, 2013
Document Information [Line Items]
Entity Registrant Name	SL GREEN REALTY CORP
Entity Central Index Key	0001040971
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-K
Document Period End Date	Dec. 31, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus (Q1,Q2,Q3,FY)	FY
Amendment Flag	false
Entity Common Stock, Shares Outstanding (shares)		95,047,602
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 7.6
SL Green Operating Partnership
Document Information [Line Items]
Entity Registrant Name	SL GREEN OPERATING PARTNERSHIP, LP.
Entity Central Index Key	0001492869
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Document Type	10-K
Document Period End Date	Dec. 31, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus (Q1,Q2,Q3,FY)	FY
Amendment Flag	false
Entity Common Stock, Shares Outstanding (shares)		876,199
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 0.0

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2013	Dec. 31, 2012
Commercial real estate properties, at cost:
Land and land interests	$ 3,032,526	$ 2,886,099
Building and improvements	7,884,663	7,389,766
Building leasehold and improvements	1,366,281	1,346,748
Properties under capital lease	50,310	40,340
Total commercial real estate properties, at cost	12,333,780	11,662,953
Less: accumulated depreciation	(1,646,240)	(1,393,323)
Total commercial real estate properties, net	10,687,540	10,269,630
Assets held for sale	0	4,901
Cash and cash equivalents	206,692	189,984
Restricted cash	142,051	136,071
Investment in marketable securities	32,049	21,429
Tenant and other receivables, net of allowance of $17,325 and $14,341 in 2013 and 2012, respectively	60,393	55,855
Related party receivables	8,530	7,531
Deferred rents receivable, net of allowance of $30,333 and $29,580 in 2013 and 2012, respectively	386,508	340,747
Debt and preferred equity investments, net of discounts and deferred origination fees of $18,593 and $22,341 in 2013 and 2012, and allowance of $1,000 and $7,000 in 2013 and 2012, respectively	1,304,839	1,348,434
Investments in unconsolidated joint ventures	1,113,218	1,032,243
Deferred costs, net	267,058	261,145
Other assets	750,123	718,326
Total assets	14,959,001	14,386,296
Liabilities
Mortgages and other loans payable	4,860,578	4,615,464
Revolving credit facility	220,000	70,000
Term loan and senior unsecured notes	1,739,330	1,734,956
Accrued interest payable and other liabilities	114,622	81,080
Accounts payable and accrued expenses	145,889	159,598
Deferred revenue	263,261	312,995
Capitalized lease obligations	47,671	37,518
Deferred land leases payable	22,185	20,897
Dividend and distributions payable	52,255	37,839
Security deposits	61,308	46,253
Liabilities related to assets held for sale	0	136
Junior subordinate deferrable interest debentures held by trusts that issued trust preferred securities	100,000	100,000
Total liabilities	7,627,099	7,216,736
Commitments and contingencies	0	0
Noncontrolling interests in Operating Partnership	265,476	212,907
Equity
Common stock, $0.01 par value, 160,000 shares authorized and 98,563 and 94,896 issued and outstanding at December 31, 2013 and 2012, respectively (including 3,570 and 3,646 shares held in Treasury at December 31, 2013 and 2012, respectively)	986	950
Additional paid-in-capital	5,015,904	4,667,900
Treasury stock at cost	(317,356)	(322,858)
Accumulated other comprehensive loss	(15,211)	(29,587)
Retained earnings	1,619,150	1,701,092
Total SL Green stockholders' equity	6,525,405	6,419,802
Noncontrolling interests in other partnerships	491,471	487,301
Total equity	7,016,876	6,907,103
Total liabilities and equity	14,959,001	14,386,296
Series G Preferred Units
Liabilities
Preferred Units	47,550	47,550
Series H Preferred Units
Liabilities
Preferred Units	2,000	2,000
Series C Preferred Stock
Equity
Preferred stock, issued	0	180,340
Series I Preferred Stock
Equity
Preferred stock, issued	221,932	221,965
SL Green Operating Partnership
Commercial real estate properties, at cost:
Land and land interests	3,032,526	2,886,099
Building and improvements	7,884,663	7,389,766
Building leasehold and improvements	1,366,281	1,346,748
Properties under capital lease	50,310	40,340
Total commercial real estate properties, at cost	12,333,780	11,662,953
Less: accumulated depreciation	(1,646,240)	(1,393,323)
Total commercial real estate properties, net	10,687,540	10,269,630
Assets held for sale	0	4,901
Cash and cash equivalents	206,692	189,984
Restricted cash	142,051	136,071
Investment in marketable securities	32,049	21,429
Tenant and other receivables, net of allowance of $17,325 and $14,341 in 2013 and 2012, respectively	60,393	55,855
Related party receivables	8,530	7,531
Deferred rents receivable, net of allowance of $30,333 and $29,580 in 2013 and 2012, respectively	386,508	340,747
Debt and preferred equity investments, net of discounts and deferred origination fees of $18,593 and $22,341 in 2013 and 2012, and allowance of $1,000 and $7,000 in 2013 and 2012, respectively	1,304,839	1,348,434
Investments in unconsolidated joint ventures	1,113,218	1,032,243
Deferred costs, net	267,058	261,145
Other assets	750,123	718,326
Total assets	14,959,001	14,386,296
Liabilities
Mortgages and other loans payable	4,860,578	4,615,464
Revolving credit facility	220,000	70,000
Term loan and senior unsecured notes	1,739,330	1,734,956
Accrued interest payable and other liabilities	114,622	81,080
Accounts payable and accrued expenses	145,889	159,598
Deferred revenue	263,261	312,995
Capitalized lease obligations	47,671	37,518
Deferred land leases payable	22,185	20,897
Dividend and distributions payable	52,255	37,839
Security deposits	61,308	46,253
Liabilities related to assets held for sale	0	136
Junior subordinate deferrable interest debentures held by trusts that issued trust preferred securities	100,000	100,000
Total liabilities	7,627,099	7,216,736
Commitments and contingencies	0	0
Equity
Accumulated other comprehensive loss	(15,662)	(30,649)
Total liabilities and equity	14,959,001	14,386,296
SL Green stockholders equity:
SL Green partners' capital (979 and 940 general partner common units and 94,014 and 90,310 limited partner common units outstanding at December 31, 2013 and 2012, respectively)	6,506,747	6,189,529
Limited partner interests in SLGOP (2,902 and 2,760 limited partner common units outstanding at December 31, 2013 and 2012, respectively	77,864	71,524
Total SLGOP partners' capital	6,790,881	6,632,709
Noncontrolling interests in other partnerships	491,471	487,301
Total capital	7,282,352	7,120,010
SL Green Operating Partnership \| Series G Preferred Units
SL Green stockholders equity:
Preferred units	47,550	47,550
SL Green Operating Partnership \| Series H Preferred Units
SL Green stockholders equity:
Preferred units	2,000	2,000
SL Green Operating Partnership \| Series C Preferred Stock
SL Green stockholders equity:
Preferred units	0	180,340
Total capital	0	180,340
SL Green Operating Partnership \| Series I Preferred Stock
SL Green stockholders equity:
Preferred units	221,932	221,965
Total capital	$ 221,932	$ 221,965

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2013	Dec. 31, 2012
Tenant and other receivables, allowance (in dollars)	$ 17,325	$ 14,341
Deferred rents receivable, allowance (in dollars)	30,333	29,580
Debt and preferred equity investments, discount (in dollars)	18,593	22,341
Debt and preferred equity investments, allowance (in dollars)	$ 1,000	$ 7,000
Preferred stock, par value (in dollars per share)	$ 0.01
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (shares)	160,000,000	160,000,000
Common stock, shares issued (shares)	98,563,000	94,896,000
Common stock, shares outstanding (shares)	98,563,000	94,896,000
Treasury stock, shares (shares)	3,570,000	3,646,000
Series H Preferred Units
Preferred Units, shares issued (shares)	80,000	80,000
Preferred Units, shares outstanding (shares)	80,000	80,000
Preferred Units, liquidation preference (in dollars per share)	$ 25	$ 25
Series G Preferred Units
Preferred Units, shares issued (shares)	1,902,000	1,902,000
Preferred Units, shares outstanding (shares)	1,902,000	1,902,000
Preferred Units, liquidation preference (in dollars per share)	$ 25	$ 25
Series C Preferred Stock
Preferred stock, par value (in dollars per share)		0.01
Preferred stock, liquidation preference (in dollars per share)		$ 25.00
Preferred stock, shares issued (shares)		7,700,000
Preferred stock, shares outstanding (shares)		7,700,000
Series I Preferred Stock
Preferred stock, par value (in dollars per share)	0.01	$ 0.01
Preferred stock, liquidation preference (in dollars per share)	$ 25.00	$ 25.00
Preferred stock, shares issued (shares)	9,200,000	9,200,000
Preferred stock, shares outstanding (shares)	9,200,000	9,200,000
SL Green Operating Partnership
Tenant and other receivables, allowance (in dollars)	$ 17,325	$ 14,341
Deferred rents receivable, allowance (in dollars)	30,333	29,580
Debt and preferred equity investments, discount (in dollars)	8,624	26,466
Debt and preferred equity investments, allowance (in dollars)	$ 1,000	$ 7,000
SL Green partner's capital, general partner common units outstanding (shares)	940,000	885,000
SL Green partners' capital, limited partner common units outstanding (shares)	94,993,000	90,310,000
Limited partner interests in Operating Partnership, limited partner common units outstanding (shares)	2,902,000	2,760,000
SL Green Operating Partnership \| Series H Preferred Units
Preferred Units, shares issued (shares)	80,000	80,000
Preferred Units, shares outstanding (shares)	80,000	80,000
Preferred Units, liquidation preference (in dollars per share)	$ 25.00	$ 25.00
SL Green Operating Partnership \| Series G Preferred Units
Preferred Units, shares issued (shares)	1,902,000	1,902,000
Preferred Units, shares outstanding (shares)	1,902,000	1,902,000
Preferred Units, liquidation preference (in dollars per share)	$ 25.00	$ 25.00
SL Green Operating Partnership \| Series C Preferred Stock
Preferred Units, shares issued (shares)		7,700,000
Preferred Units, shares outstanding (shares)		11,700,000
Preferred Units, liquidation preference (in dollars per share)		$ 25.00
Preferred stock, par value (in dollars per share)		$ 0.01
SL Green Operating Partnership \| Series I Preferred Stock
Preferred Units, shares issued (shares)	9,200,000	9,200,000
Preferred Units, shares outstanding (shares)	9,200,000	9,200,000
Preferred Units, liquidation preference (in dollars per share)	$ 25.00	$ 25.00
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01

Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended				12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenues
Rental revenue, net					$ 1,080,684	$ 1,062,682	$ 947,479
Escalation and reimbursement					169,529	165,156	143,544
Investment income					193,843	119,155	120,418
Other income					25,021	35,736	35,418
Total revenues	$ 346,599	$ 357,011	$ 344,535	$ 334,585	1,469,077	1,382,729	1,246,859
Expenses
Operating expenses (including $18,728 (2013), $17,274 (2012) and $15,041 (2011) of related party expenses)					293,514	292,392	257,938
Real estate taxes					218,832	209,337	173,154
Ground rent					39,926	37,866	32,919
Interest expense, net of interest income					330,215	329,897	285,248
Amortization of deferred financing costs					16,695	19,450	14,108
Depreciation and amortization					337,692	325,737	271,306
Loan loss and other investment reserves, net of recoveries					0	564	6,722
Transaction related costs, net of recoveries					3,987	5,625	5,561
Marketing, general and administrative					86,192	82,840	80,103
Total expenses					1,327,053	1,303,708	1,127,059
Income from continuing operations before equity in net income from unconsolidated joint ventures, equity in net gain on sale of interest in unconsolidated joint venture/real estate, purchase price fair value adjustment, (loss) gain on sale of investment in marketable securities, depreciable real estate reserves and (loss) gain on early extinguishment of debt					142,024	79,021	119,800
Equity in net income from unconsolidated joint ventures					9,921	76,418	1,583
Equity in net gain on sale of interest in unconsolidated joint venture/ real estate	19,277	(4,807)	15,323	7,260	3,601	37,053	2,918
Purchase price fair value adjustment					(2,305)	0	498,195
(Loss) gain on sale of investment in marketable securities					(65)	4,940	4,866
Depreciable real estate reserves					0	0	(5,789)
(Loss) gain on early extinguishment of debt	(6,978)	0	0	0	(18,518)	(6,978)	904
Income from continuing operations					134,658	190,454	622,477
Net income from discontinued operations	9,737	951	899	1,032	1,725	12,619	8,560
Gain on sale of discontinued operations	0	0	0	6,627	14,900	6,627	46,085
Net income					151,283	209,700	677,122
Net income attributable to noncontrolling interests:
Noncontrolling interests in the Operating Partnership					(3,023)	(5,597)	(14,629)
Noncontrolling interests in other partnerships					(10,629)	(5,591)	(15,083)
Preferred units distribution					(2,260)	(2,107)	0
Net income attributable to SL Green	27,363	25,657	110,584	32,801	135,371	196,405	647,410
Preferred stock redemption costs	0	(10,010)	0	0	(12,160)	(10,010)	0
Perpetual preferred stock dividends	(7,407)	(7,915)	(7,544)	(7,545)	(21,881)	(30,411)	(30,178)
Net income	19,956	7,732	103,040	25,256	101,330	155,984	617,232
Amounts attributable to SL Green common stockholders:
Income from continuing operations					83,927	101,638	74,341
Purchase price fair value adjustment					(2,239)	0	486,660
Equity in net gain on sale of interest in unconsolidated joint venture/real estate					3,496	35,769	2,850
Net income from discontinued operations					1,675	12,180	8,363
Gain on sale of discontinued operations					14,471	6,397	45,018
Net income	$ 19,956	$ 7,732	$ 103,040	$ 25,256	$ 101,330	$ 155,984	$ 617,232
Basic earnings per share:
Income from continuing operations before discontinued operations (usd per share)					$ 0.89	$ 1.14	$ 6.70
Equity in net gain on sale of interest in unconsolidated joint venture/real estate (usd per share)					0.04	0.40	0.03
Net income from discontinued operations (usd per share)					0.02	0.14	0.10
Gain on sale of discontinued operations (usd per share)					0.15	0.07	0.54
Net income attributable to SL Green common stockholders (usd per share)	$ 0.22	$ 0.09	$ 1.15	$ 0.29	1.10	1.75	7.37
Diluted earnings per share:
Income from continuing operations before discontinued operations (usd per share)					0.88	1.13	6.67
Equity in net gain on sale of interest in unconsolidated joint venture/real estate (usd per share)					0.04	0.40	0.03
Net income from discontinued operations (usd per share)					0.02	0.14	0.10
Gain on sale of discontinued operations (usd per share)					0.16	0.07	0.53
Net income attributable to SL Green common stockholders (usd per share)	$ 0.22	$ 0.09	$ 1.14	$ 0.29	$ 1.10	$ 1.74	$ 7.33
Basic weighted average common shares outstanding (in shares)					92,269	89,319	83,762
Diluted weighted average common shares and common share equivalents outstanding (usd per share)					95,266	92,873	86,244
Noncontrolling Interest [Abstract]
Purchase price fair value adjustment					$ (2,305)	$ 0	$ 498,195
SL Green Operating Partnership
Revenues
Rental revenue, net					1,080,684	1,062,682	947,479
Escalation and reimbursement					169,529	165,156	143,544
Investment income					193,843	119,155	120,418
Other income					25,021	35,736	35,418
Total revenues	$ 346,598	$ 357,011	$ 344,535	$ 334,585	1,469,077	1,382,729	1,246,859
Expenses
Operating expenses (including $18,728 (2013), $17,274 (2012) and $15,041 (2011) of related party expenses)					293,514	292,392	257,938
Real estate taxes					218,832	209,337	173,154
Ground rent					39,926	37,866	32,919
Interest expense, net of interest income					330,215	329,897	285,248
Amortization of deferred financing costs					16,695	19,450	14,108
Depreciation and amortization					337,692	325,737	271,306
Loan loss and other investment reserves, net of recoveries					0	564	6,722
Transaction related costs, net of recoveries					3,987	5,625	5,561
Marketing, general and administrative					86,192	82,840	80,103
Total expenses					1,327,053	1,303,708	1,127,059
Income from continuing operations before equity in net income from unconsolidated joint ventures, equity in net gain on sale of interest in unconsolidated joint venture/real estate, purchase price fair value adjustment, (loss) gain on sale of investment in marketable securities, depreciable real estate reserves and (loss) gain on early extinguishment of debt					142,024	79,021	119,800
Equity in net income from unconsolidated joint ventures					9,921	76,418	1,583
Equity in net gain on sale of interest in unconsolidated joint venture/ real estate	19,277	(4,807)	15,323	7,260	3,601	37,053	2,918
Purchase price fair value adjustment					(2,305)	0	498,195
(Loss) gain on sale of investment in marketable securities					(65)	4,940	4,866
Depreciable real estate reserves					0	0	(5,789)
(Loss) gain on early extinguishment of debt	(6,978)	0	0	0	(18,518)	(6,978)	904
Income from continuing operations					134,658	190,454	622,477
Net income from discontinued operations	9,737	951	899	1,032	1,725	12,619	8,560
Gain on sale of discontinued operations	0	0	0	6,627	14,900	6,627	46,085
Net income					151,283	209,700	677,122
Net income attributable to noncontrolling interests:
Noncontrolling interests in other partnerships					(10,629)	(5,591)	(15,083)
Net income attributable to SL Green					138,394	202,002	662,039
Preferred stock redemption costs	0	(10,010)	0	0
Perpetual preferred stock dividends	$ (7,407)	$ (7,915)	$ (7,544)	$ (7,545)
Net income					104,353	161,581	631,861
Amounts attributable to SL Green common stockholders:
Income from continuing operations					86,432	105,282	76,103
Equity in net gain on sale of interest in unconsolidated joint venture/real estate					3,601	37,053	2,918
Gain on sale of discontinued operations					14,900	6,627	46,085
Net income					$ 104,353	$ 161,581	$ 631,861
Basic earnings per share:
Equity in net gain on sale of interest in unconsolidated joint venture/real estate (usd per share)					$ 0.04	$ 0.40	$ 0.03
Gain on sale of discontinued operations (usd per share)					0.15	0.07	0.54
Net income attributable to SL Green common stockholders (usd per share)	$ 0.22	$ 0.09	$ 1.15	$ 0.29
Diluted earnings per share:
Equity in net gain on sale of interest in unconsolidated joint venture/real estate (usd per share)					0.04	0.40	0.03
Gain on sale of discontinued operations (usd per share)					$ 0.16	$ 0.07	$ 0.53
Net income attributable to SL Green common stockholders (usd per share)	$ 0.22	$ 0.09	$ 1.14	$ 0.29
Noncontrolling Interest [Abstract]
Preferred unit distributions					$ (2,260)	$ (2,107)	$ 0
Preferred unit redemption costs					(12,160)	(10,010)	0
Perpetual preferred unit distributions					(21,881)	(30,411)	(30,178)
Net income attributable to SLGOP common unitholders	$ 20,677	$ 8,299	$ 106,461	$ 26,144	104,353	161,581	631,861
Purchase price fair value adjustment					(2,305)	0	498,195
Net income from discontinued operations					$ 1,725	$ 12,619	$ 8,560
Net income from continuing operations before gains on sale and discontinued operations (in dollars per share)					$ 0.89	$ 1.14	$ 6.70
Net income from discontinued operations (in dollars per share)					0.02	0.14	0.10
Net income attributable to SL Green common stockholders (in dollars per share)					1.10	1.75	7.37
Net income from continuing operations before gains on sale and discontinued operations (in dollars per share)					0.88	1.13	6.67
Net income from discontinued operations (in dollars per share)					0.02	0.14	0.10
Net income attributable to SL Green common stockholders (in dollars per share)					$ 1.10	$ 1.74	$ 7.33
Basic weighted average common shares outstanding (in shares)					95,004	92,526	85,747
Diluted weighted average common shares and common share equivalents outstanding (in shares)					95,266	92,873	86,244

Consolidated Statements of Income (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Operating expenses, paid to related parties	$ 18,728	$ 17,274	$ 15,041
SL Green Operating Partnership
Operating expenses, paid to related parties	$ 18,728	$ 17,274	$ 16,266

Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Net income									$ 151,283	$ 209,700	$ 677,122
Other comprehensive income (loss):
Change in net unrealized gain (loss) on derivative instruments, including SL Green's share of joint venture net unrealized gain (loss) on derivative instruments									13,490	2,127	(3,346)
Change in unrealized gain (loss) on marketable securities									1,497	(3,657)	(2,731)
Other comprehensive income (loss)									14,987	(1,530)	(6,077)
Comprehensive income									166,270	208,170	671,045
Net income attributable to noncontrolling interests									(15,912)	(13,295)	(29,712)
Other comprehensive (income) loss attributable to noncontrolling interests									(611)	388	291
Comprehensive income attributable to SL Green									149,747	195,263	641,624
SL Green Operating Partnership
Net income									151,283	209,700	677,122
Other comprehensive income (loss):
Change in net unrealized gain (loss) on derivative instruments, including SL Green's share of joint venture net unrealized gain (loss) on derivative instruments									13,490	2,127	(3,346)
Change in unrealized gain (loss) on marketable securities									1,497	(3,657)	(2,731)
Other comprehensive income (loss)									14,987	(1,530)	(6,077)
Comprehensive income									166,270	208,170	671,045
Net income attributable to noncontrolling interests	$ 41,971	$ 41,873	$ 27,679	$ 26,871	$ 28,084	$ 26,224	$ 114,005	$ 33,689	(10,629)	(5,591)	(15,083)
Comprehensive income attributable to SL Green									$ 155,641	$ 202,579	$ 655,962

Consolidated Statements of Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid- In-Capital	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Retained Earnings	Noncontrolling Interests	Series C Preferred Stock Preferred Stock	Series D Preferred Stock Preferred Stock	Series I Preferred Stock Preferred Stock
Balance at Dec. 31, 2010	$ 5,397,544	$ 817	$ 3,660,842	$ (303,222)	$ (22,659)	$ 1,172,963	$ 518,460	$ 274,022	$ 96,321	$ 0
Balance (in shares) at Dec. 31, 2010		78,307
Increase (Decrease) in Stockholders' Equity
Net income	662,493					647,410	15,083
Other comprehensive income:	(5,786)				(5,786)
Preferred dividends	(30,178)					(30,178)
Redemption of units and DRIP proceeds	898		898
Redemption of units and DRIP proceeds (in shares)		13
Reallocation of noncontrolling interest in the operating partnership	(39,040)					(39,040)
Deferred compensation plan and stock award, net	(4,787)	$ 3	696	(5,486)
Deferred compensation plan and stock award, net (in shares)		262
Amortization of deferred compensation plan	33,252		33,252
Proceeds from issuance of common stock	531,306	$ 70	531,236
Proceeds from issuance of common stock (in shares)		6,957
Proceeds from stock options exercised	10,037	$ 2	10,035
Proceeds from stock options exercised (in shares)		244
Consolidation of joint venture interest	87,798						87,798
Cash distributions to noncontrolling interests	(143,579)						(143,579)
Cash distribution declared	(46,649)					(46,649)
Balance at Dec. 31, 2011	6,453,309	$ 892	4,236,959	(308,708)	(28,445)	1,704,506	477,762	274,022	96,321	0
Balance (in shares) at Dec. 31, 2011		85,783
Increase (Decrease) in Stockholders' Equity
Net income	201,996					196,405	5,591
Other comprehensive income:	(1,142)				(1,142)
Preferred dividends	(30,411)					(30,411)
Redemption of units and DRIP proceeds	99,570	$ 13	99,557
Redemption of units and DRIP proceeds (in shares)		1,305
Conversion of units of the Operating Partnership to common stock	87,513	$ 11	87,502
Conversion of units of the Operating Partnership to common stock (in shares)		1,096
Redemption of preferred stock	(200,013)					(10,010)		(93,682)	(96,321)
Reallocation of noncontrolling interest in the operating partnership	(61,238)					(61,238)
Deferred compensation plan and stock award, net	(13,428)	$ 3	719	(14,150)
Deferred compensation plan and stock award, net (in shares)		43
Amortization of deferred compensation plan	28,742		28,742
Issuance of common stock	221,965									221,965
Proceeds from issuance of common stock	201,279	$ 27	201,252
Proceeds from issuance of common stock (in shares)		2,640
Proceeds from stock options exercised	13,173	$ 4	13,169
Proceeds from stock options exercised (in shares)		383
Consolidation of joint venture interest	25,894						25,894
Cash distributions to noncontrolling interests	(21,946)						(21,946)
Cash distribution declared	(98,160)					(98,160)
Balance at Dec. 31, 2012	6,907,103	$ 950	4,667,900	(322,858)	(29,587)	1,701,092	487,301	180,340	0	221,965
Balance (in shares) at Dec. 31, 2012		91,250
Increase (Decrease) in Stockholders' Equity
Net income	146,000					135,371	10,629
Other comprehensive income:	14,376				14,376
Preferred dividends	(21,881)					(21,881)
Redemption of units and DRIP proceeds	67		67
Conversion of units of the Operating Partnership to common stock	17,287	$ 2	17,285
Conversion of units of the Operating Partnership to common stock (in shares)		239
Redemption of preferred stock	(192,500)					(12,160)		(180,340)
Preferred stock issuance costs	(33)									(33)
Reallocation of noncontrolling interest in the operating partnership	(45,618)					(45,618)
Deferred compensation plan and stock award, net	166	$ 2	752	(588)
Deferred compensation plan and stock award, net (in shares)		135
Amortization of deferred compensation plan	26,329		26,329
Issuance of common stock	290,699	$ 30	290,669
Issuance of common stock (shares)		3,062
Proceeds from issuance of common stock	12,904	$ 2	12,902
Proceeds from issuance of common stock (in shares)		224
Sale of treasury stock	7,120			6,090		1,030
Sale of treasury stock (shares)		83
Contribution to consolidated joint venture interest	8,164						8,164
Cash contributions from noncontrolling interests	(14,623)						(14,623)
Cash distribution declared	(138,684)					(138,684)
Balance at Dec. 31, 2013	$ 7,016,876	$ 986	$ 5,015,904	$ (317,356)	$ (15,211)	$ 1,619,150	$ 491,471	$ 0	$ 0	$ 221,932

Consolidated Statements of Equity (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Statement of Stockholders' Equity [Abstract]
Cash distribution declared, per common share (usd per share)	$ 1.49	$ 1.08	$ 0.55

Consolidated Statements of Capital Statement - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Increase (Decrease) in Stockholders' Equity
Other comprehensive income	$ 14,987	$ (1,530)	$ (6,077)
Issuance of units in the Operating Partnership	24,750	42,239	62,443
DRIP proceeds	67	99,570	898
Conversion of units	17,287	87,513
Redemption of preferred units	(192,500)	(200,013)
Preferred units issuance costs	(33)
Deferred compensation plan	166	(13,428)	(4,787)
Amortization of deferred compensation plan	26,329	28,742	33,252
Contributions-treasury shares	(7,120)
Cash distributions to noncontrolling interests		(21,946)	$ (143,579)
Common Stock
Increase (Decrease) in Stockholders' Equity
DRIP proceeds		$ 13
DRIP proceeds (in units)		(1,305)	(13)
Conversion of units	$ 2	$ 11
Conversion of units (in units)	(239)	(1,096)
Deferred compensation plan	$ 2	$ 3	$ 3
Contributions-treasury shares (shares)	83
Noncontrolling Interests
Increase (Decrease) in Stockholders' Equity
Cash distributions to noncontrolling interests		(21,946)	(143,579)
SL Green Operating Partnership
Increase (Decrease) in Stockholders' Equity
Beginning Balance	$ 7,120,010	6,648,339	5,481,882
Net income	149,023	207,593	677,122
Other comprehensive income	14,987	(1,530)	(6,077)
Preferred distributions	(21,881)	(30,411)	(30,178)
Issuance of units in the Operating Partnership	24,750	42,239	60,443
DRIP proceeds	67	99,570	32
Conversion of units	0	0
Redemption of preferred units	(192,500)	(200,013)
Preferred units issuance costs	(33)
Deferred compensation plan	166	(13,428)	(4,787)
Amortization of deferred compensation plan	26,329	28,742	33,252
Contribution to consolidated joint venture interest	8,164
Contributions to consolidated joint venture		25,894	86,797
Contributions—net proceeds from preferred stock offering		221,965
Contributions—net proceeds from common stock offering	290,699	201,279	531,306
Contributions-treasury shares	7,120
Contributions - proceeds from stock options exercised	12,904	13,173	10,037
Cash distributions to noncontrolling interests	(14,623)	(21,946)	(143,579)
Cash distribution declared ($0.99 per common unit, none of which represented a return of capital for federal income tax purposes)	(142,830)	(101,456)	(47,911)
Ending Balance	7,282,352	7,120,010	6,648,339
SL Green Operating Partnership \| General Partner
Increase (Decrease) in Stockholders' Equity
Beginning Balance	$ 6,189,529	$ 5,714,856	$ 4,573,565
Balance (shares)	91,250	85,783	78,307
Net income	$ 113,490	$ 165,994	$ 617,232
DRIP proceeds	$ 67	$ 99,570	$ 898
DRIP proceeds (in units)	0	(1,305)	(13)
Conversion of units	$ 17,287	$ 87,513
Conversion of units (in units)	(239)	(1,096)
Redemption of preferred units	$ (12,160)	$ (10,010)
Deferred compensation plan (shares)	(135)	(43)	(262)
Deferred compensation plan	$ 166	$ (13,428)	$ (4,787)
Amortization of deferred compensation plan	26,329	28,742	33,252
Contributions—net proceeds from common stock offering	$ 290,699	$ 201,279	$ 531,306
Contributions - net proceeds from common stock offering (in units)	3,062	2,640	6,957
Contributions-treasury shares	$ 7,120
Contributions-treasury shares (shares)	83
Contributions - proceeds from stock options exercised	$ 12,904	$ 13,173	$ 10,037
Contributions - proceeds from stock options exercised (in units)	224	383	244
Cash distribution declared ($0.99 per common unit, none of which represented a return of capital for federal income tax purposes)	$ (138,684)	$ (98,160)	$ (46,647)
Ending Balance	$ 6,506,747	$ 6,189,529	$ 5,714,856
Balance (shares)	94,993	91,250	85,783
SL Green Operating Partnership \| Limited Partners
Increase (Decrease) in Stockholders' Equity
Balance (shares)	2,760	2,765	1,249
Issuance of units (in units)	381	801	1,530
DRIP proceeds (in units)			(12)
Conversion of units (in units)	239	1,096
Deferred compensation plan (shares)		(290)	(2)
Balance (shares)	2,902	2,760	2,765
SL Green Operating Partnership \| Series C Preferred Stock
Increase (Decrease) in Stockholders' Equity
Beginning Balance	$ 180,340	$ 274,022	$ 274,022
Net income	6,932	20,290	22,300
Preferred distributions	(6,932)	(20,290)	(22,300)
Redemption of preferred units	(180,340)	(93,682)
Ending Balance	0	180,340	274,022
SL Green Operating Partnership \| Series D Preferred Stock
Increase (Decrease) in Stockholders' Equity
Beginning Balance	0	96,321	96,321
Net income		4,266	7,878
Preferred distributions		(4,266)	(7,878)
Redemption of preferred units		(96,321)
Ending Balance	0	0	96,321
SL Green Operating Partnership \| Series I Preferred Stock
Increase (Decrease) in Stockholders' Equity
Beginning Balance	221,965	0	0
Net income	14,949	5,855
Preferred distributions	(14,949)	(5,855)
Preferred units issuance costs	(33)
Contributions—net proceeds from preferred stock offering		221,965
Ending Balance	221,932	221,965	0
SL Green Operating Partnership \| Common Stock \| Limited Partners
Increase (Decrease) in Stockholders' Equity
Beginning Balance	71,524	114,497	42,556
Net income	3,023	5,597	14,629
Issuance of units in the Operating Partnership	24,750	42,239	60,443
DRIP proceeds			(866)
Conversion of units	(17,287)	(87,513)
Contributions to consolidated joint venture			(1,001)
Cash distribution declared ($0.99 per common unit, none of which represented a return of capital for federal income tax purposes)	(4,146)	(3,296)	(1,264)
Ending Balance	77,864	71,524	114,497
SL Green Operating Partnership \| Accumulated Other Comprehensive Income (Loss)
Increase (Decrease) in Stockholders' Equity
Beginning Balance	(30,649)	(29,119)	(23,042)
Other comprehensive income	14,987	(1,530)	(6,077)
Ending Balance	(15,662)	(30,649)	(29,119)
SL Green Operating Partnership \| Noncontrolling Interests
Increase (Decrease) in Stockholders' Equity
Beginning Balance	487,301	477,762	518,460
Net income	10,629	5,591	15,083
Contribution to consolidated joint venture interest	8,164
Contributions to consolidated joint venture		25,894	87,798
Cash distributions to noncontrolling interests	(14,623)	(21,946)	(143,579)
Ending Balance	$ 491,471	$ 487,301	$ 477,762

Consolidated Statements of Capital (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash distribution declared, per common share (usd per share)	$ 1.49	$ 1.08	$ 0.55
SL Green Operating Partnership
Cash distribution declared, per common share (usd per share)	$ 1.49	$ 1.08	$ 0.55

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Operating Activities
Net income	$ 151,283	$ 209,700	$ 677,122
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	357,599	351,539	292,311
Equity in net income from unconsolidated joint ventures	(9,921)	(76,418)	(1,583)
Distributions of cumulative earnings from unconsolidated joint ventures	34,997	91,145	11,185
Equity in net gain on sale of interest in unconsolidated joint venture interest/ real estate	(3,601)	(37,053)	(2,918)
Purchase price fair value adjustment	2,305	0	(498,195)
Depreciable real estate reserves	2,150	0	5,789
Gain on sale of discontinued operations	(14,900)	(6,627)	(46,085)
Gain on sale of debt securities	0	0	(19,840)
Loan loss and other investment reserves, net of recoveries	0	564	6,722
(Loss) gain on sale of investment in marketable securities	0	4,940	4,866
Loss (gain) on early extinguishment of debt	(10,963)	(6,978)	904
Deferred rents receivable	(56,739)	(66,079)	(87,230)
Other non-cash adjustments	(37,843)	(18,868)	523
Changes in operating assets and liabilities:
Restricted cash—operations	2,037	(13,812)	(681)
Tenant and other receivables	(7,570)	(10,998)	(4,720)
Related party receivables	(917)	(3,529)	2,461
Deferred lease costs	(52,228)	(48,368)	(38,412)
Other assets	2,904	(35,932)	4,029
Accounts payable, accrued expenses and other liabilities	(1,473)	9,389	10,704
Deferred revenue and land leases payable	7,157	62	1,706
Net cash provided by operating activities	386,203	346,753	307,118
Investing Activities
Acquisitions of real estate property	(594,595)	(544,568)	(446,756)
Additions to land, buildings and improvements	(196,571)	(148,148)	(159,100)
Escrowed cash—capital improvements/acquisition deposits	(7,672)	(70,080)	29,281
Investments in unconsolidated joint ventures	(150,274)	(215,174)	(109,920)
Distributions in excess of cumulative earnings from unconsolidated joint ventures	42,720	127,876	112,359
Net proceeds from disposition of real estate/joint venture interest	227,615	178,485	160,548
Proceeds from sale of marketable securities	(2,370)	(11,070)	(40,248)
Purchases of marketable securities	(11,493)	(6,660)	(28,570)
Other investments	(43,163)	(36,750)	537
Debt and preferred equity and other investments, net of repayments/participations	102,628	(459,454)	(332,482)
Net cash used in investing activities	(628,435)	(1,163,403)	(733,855)
Financing Activities
Proceeds from mortgages and other loans payable	1,257,172	1,230,167	826,000
Repayments of mortgages and other loans payable	(1,085,220)	(688,065)	(765,378)
Proceeds from revolving credit facility and senior unsecured notes	1,164,000	1,751,480	1,901,068
Repayments of revolving credit facility and senior unsecured notes	(1,020,215)	(1,581,554)	(2,043,144)
Proceeds from stock options exercised and DRIP issuance	12,971	112,743	10,211
Net proceeds from sale of common stock	290,699	201,279	516,168
Net proceeds from sale of preferred stock	0	221,965	0
Redemption of preferred stock	(192,533)	(200,013)	0
Sale or purchase of treasury stock	7,120	(14,150)	(5,486)
Distributions to noncontrolling interests in other partnerships	(14,623)	(21,946)	(143,578)
Contributions from noncontrolling interests in other partnerships	8,164	25,894	0
Distributions to noncontrolling interests in the Operating Partnership	(4,146)	(3,296)	(727)
Dividends paid on common and preferred stock	(148,407)	(121,238)	(63,866)
Other obligations related to mortgage loan participations	0	5,000	35,850
Deferred loan costs and capitalized lease obligation	(16,042)	(49,824)	(35,019)
Net cash provided by financing activities	258,940	868,442	232,099
Net increase (decrease) in cash and cash equivalents	16,708	51,792	(194,638)
Cash and cash equivalents at beginning of year	189,984	138,192	332,830
Cash and cash equivalents at end of year	206,692	189,984	138,192
Supplemental cash flow disclosures:
Interest paid	325,903	322,469	277,109
Income taxes paid	2,666	17	138
Supplemental Disclosure of Non-Cash Investing and Financing Activities:
Issuance of common stock as deferred compensation	164	722	699
Redemption of units in the Operating Partnership	17,287	87,513	865
Derivative instruments at fair value	636	92	1,870
Assignment of debt investment to joint venture	0	25,362	286,571
Mortgage assigned to joint venture	0	0	30,000
Tenant improvements and capital expenditures payable	502	1,738	3,990
Fair value adjustment to noncontrolling interest in the Operating Partnership	45,618	61,238	39,040
Accrued acquisition liabilities	0	0	34,500
Assumption of mortgage loans	84,642	0	943,767
Consolidation of real estate investments and other adjustments	90,934	0	1,156,929
Consolidation of real estate investments—noncontrolling interest in other partnerships	0	0	87,264
Repayment of mezzanine loans	0	13,750	0
Redemption of Series E units	0	31,698	0
Repayment of financing receivable	0	28,195	0
Investment in joint venture	0	5,135	0
Capital leased asset	9,992	28,132	0
Deconsolidation of a subsidiary	0	104,107	0
Transfer to net assets held for sale	0	4,901	0
Transfer to liabilities related to net assets held for sale	0	136	0
Issuance of preferred units	0	47,550	0
SL Green Operating Partnership
Operating Activities
Net income	151,283	209,700	677,122
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	357,599	351,539	292,311
Equity in net income from unconsolidated joint ventures	(9,921)	(76,418)	(1,583)
Distributions of cumulative earnings from unconsolidated joint ventures	34,997	91,145	11,185
Equity in net gain on sale of interest in unconsolidated joint venture interest/ real estate	(3,601)	(37,053)	(2,918)
Purchase price fair value adjustment	2,305	0	(498,195)
Depreciable real estate reserves	2,150	0	5,789
Gain on sale of discontinued operations	(14,900)	(6,627)	(46,085)
Gain on sale of debt securities	0	0	(19,840)
Loan loss and other investment reserves, net of recoveries	0	564	6,722
(Loss) gain on sale of investment in marketable securities	0	4,940	4,866
Loss (gain) on early extinguishment of debt	(10,963)	(6,978)	904
Deferred rents receivable	(56,739)	(66,079)	(87,230)
Other non-cash adjustments	(37,843)	(18,868)	523
Changes in operating assets and liabilities:
Restricted cash—operations	2,037	(13,812)	(681)
Tenant and other receivables	(7,570)	(10,998)	(4,720)
Related party receivables	(917)	(3,529)	2,461
Deferred lease costs	(52,228)	(48,368)	(38,412)
Other assets	2,904	(35,932)	4,029
Accounts payable, accrued expenses and other liabilities	(1,473)	9,389	10,704
Deferred revenue and land leases payable	7,157	62	1,706
Net cash provided by operating activities	386,203	346,753	307,118
Investing Activities
Acquisitions of real estate property	(594,595)	(544,568)	(446,756)
Additions to land, buildings and improvements	(196,571)	(148,148)	(159,100)
Escrowed cash—capital improvements/acquisition deposits	(7,672)	(70,080)	29,281
Investments in unconsolidated joint ventures	(150,274)	(215,174)	(109,920)
Distributions in excess of cumulative earnings from unconsolidated joint ventures	42,720	127,876	112,359
Net proceeds from disposition of real estate/joint venture interest	227,615	178,485	160,548
Proceeds from sale of marketable securities	(2,370)	(11,070)	(40,248)
Purchases of marketable securities	(11,493)	(6,660)	(28,570)
Other investments	(43,163)	(36,750)	537
Debt and preferred equity and other investments, net of repayments/participations	102,628	(459,454)	(332,482)
Net cash used in investing activities	(628,435)	(1,163,403)	(733,855)
Financing Activities
Proceeds from mortgages and other loans payable	1,257,172	1,230,167	826,000
Repayments of mortgages and other loans payable	(1,085,220)	(688,065)	(765,378)
Proceeds from revolving credit facility and senior unsecured notes	1,164,000	1,751,480	1,901,068
Repayments of revolving credit facility and senior unsecured notes	(1,020,215)	(1,581,554)	(2,043,144)
Proceeds from stock options exercised and DRIP issuance	12,971	112,743	10,211
Net proceeds from sale of common stock	290,699	201,279	516,168
Net proceeds from sale of preferred stock	0	221,965	0
Redemption of preferred stock	(192,533)	(200,013)	0
Sale or purchase of treasury stock	7,120	(14,150)	(5,486)
Distributions to noncontrolling interests in other partnerships	(14,623)	(21,946)	(143,578)
Contributions from noncontrolling interests in other partnerships	8,164	25,894	0
Dividends paid on common and preferred stock	(152,553)	(124,534)	(64,593)
Other obligations related to mortgage loan participations	0	5,000	35,850
Deferred loan costs and capitalized lease obligation	(16,042)	(49,824)	(35,019)
Net cash provided by financing activities	258,940	868,442	232,099
Net increase (decrease) in cash and cash equivalents	16,708	51,792	(194,638)
Cash and cash equivalents at beginning of year	189,984	138,192	332,830
Cash and cash equivalents at end of year	206,692	189,984	138,192
Supplemental cash flow disclosures:
Interest paid	325,903	322,469	277,109
Income taxes paid	2,666	17	138
Supplemental Disclosure of Non-Cash Investing and Financing Activities:
Issuance of common stock as deferred compensation	164	722	699
Issuance of units in the Operating Partnership	24,750	42,239	62,443
Redemption of units in the Operating Partnership	17,287	87,513	865
Derivative instruments at fair value	636	92	1,870
Assignment of debt investment to joint venture	0	25,362	286,571
Mortgage assigned to joint venture	0	0	30,000
Tenant improvements and capital expenditures payable	502	1,738	3,990
Accrued acquisition liabilities	0	0	34,500
Assumption of mortgage loans	84,642	0	943,767
Assumption of mortgage loans	90,934	0	1,156,929
Consolidation of real estate investments and other adjustments	0	0	87,264
Consolidation of real estate investments—noncontrolling interest in other partnerships	0	13,750	0
Repayment of mezzanine loans	0	31,698	0
Redemption of Series E units	0	28,195	0
Investment in joint venture	0	5,135	0
Capital leased asset	9,992	28,132	0
Deconsolidation of a subsidiary	0	104,107	0
Transfer to net assets held for sale	0	4,901	0
Transfer to liabilities related to net assets held for sale	0	136	0
Issuance of preferred units	$ 0	$ 47,550	$ 0

Consolidated Statements of Cash Flows (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Quarterly distributions declared, per share (usd per share)	$ 0.50	$ 0.33	$ 0.25
SL Green Operating Partnership
Quarterly distributions declared, per share (usd per share)	$ 0.5	$ 0.33	$ 0.25

Organization and Basis of Presentation

12 Months Ended

Dec. 31, 2013

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Organization and Basis of Presentation

SL Green Realty Corp., which is referred to as the Company or SL Green, a Maryland corporation, and SL Green Operating Partnership, L.P., which is referred to as SLGOP or the Operating Partnership, a Delaware limited partnership, were formed in June 1997 for the purpose of combining the commercial real estate business of S.L. Green Properties, Inc. and its affiliated partnerships and entities. The Operating Partnership received a contribution of interest in the real estate properties, as well as 95% of the economic interest in the management, leasing and construction companies which are referred to as the Service Corporation, a consolidated variable interest entity. All of the management, leasing and construction services with respect to the properties that are wholly-owned by us are conducted through SL Green Management LLC which is 100% owned by the Operating Partnership. The Company has qualified, and expects to qualify in the current fiscal year, as a real estate investment trust, or REIT, under the Internal Revenue Code of 1986, as amended, or the Code, and operates as a self-administered, self-managed REIT. A REIT is a legal entity that holds real estate interests and, through payments of dividends to stockholders, is permitted to minimize the payment of Federal income taxes at the corporate level. Unless the context requires otherwise, all references to "we," "our" and "us" means the Company and all entities owned or controlled by the Company, including the Operating Partnership.

Substantially all of our assets are held by, and our operations are conducted through, the Operating Partnership. The Company is the sole managing general partner of the Operating Partnership. As of December 31, 2013, noncontrolling investors held, in the aggregate, a 2.96% limited partnership interest in the Operating Partnership. We refer to these interests as the noncontrolling interests in the Operating Partnership. See Note 11, "Noncontrolling Interests on the Company's Consolidated Financial Statements."

Reckson Associates Realty Corp., or Reckson, and Reckson Operating Partnership, L.P., or ROP, are wholly-owned subsidiaries of the Operating Partnership.

As of December 31, 2013, we owned the following interests in commercial office buildings in the New York Metropolitan area, primarily in midtown Manhattan, a borough of New York City. Our investments in the New York Metropolitan area also include investments in Brooklyn, Long Island, Westchester County, Connecticut and Northern New Jersey, which are collectively known as the Suburban properties:



Location	Ownership	Number of Buildings	Square Feet (unaudited)	Weighted Average Occupancy(1) (unaudited)
Manhattan	Consolidated properties	23	17,306,045	94.5	%
	Unconsolidated properties	9	5,934,434	96.6	%

Suburban	Consolidated properties	26	4,087,400	79.8	%
	Unconsolidated properties	4	1,222,100	87.2	%
		62	28,549,979	92.5	%

______________________________________________________________________


(1)	The weighted average occupancy represents the total leased square feet divided by total available rentable square feet.

As of December 31, 2013, we also owned investments in 16 retail properties encompassing approximately 875,800 square feet (unaudited), 20 development buildings encompassing approximately 3,230,800 square feet (unaudited), four residential buildings encompassing 801 units (approximately 719,900 square feet (unaudited)) and two land interests encompassing approximately 961,400 square feet (unaudited). The Company also has ownership interests in 28 west coast office properties encompassing 52 buildings totaling 3,654,300 square feet (unaudited). In addition, we manage two office buildings owned by third parties and affiliated companies encompassing approximately 626,400 square feet (unaudited). As of December 31, 2013, we also held debt and preferred equity investments with a book value of $1.3 billion.

Partnership Agreement

In accordance with the partnership agreement of the Operating Partnership, or the Operating Partnership Agreement, we allocate all distributions and profits and losses in proportion to the percentage of ownership interests of the respective partners. As the managing general partner of the Operating Partnership, we are required to take such reasonable efforts, as determined by us in our sole discretion, to cause the Operating Partnership to distribute sufficient amounts to enable the payment of sufficient dividends by us to minimize any Federal income or excise tax at the Company level. Under the Operating Partnership Agreement, each limited partner has the right to redeem units of limited partnership interests for cash, or if we so elect, shares of SL Green's common stock on a one-for-one basis.

- Definition

The entire disclosure for organization, consolidation and basis of presentation of financial statements disclosure.

+ References

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+ Details

Significant Accounting Policies

12 Months Ended

Dec. 31, 2013

Accounting Policies [Abstract]

Significant Accounting Policies

Principles of Consolidation

The consolidated financial statements include our accounts and those of our subsidiaries, which are wholly-owned or controlled by us. Entities which we do not control through our voting interest and entities which are variable interest entities, but where we are not the primary beneficiary, are accounted for under the equity method or as debt and preferred equity investments. See Note 5, "Debt and Preferred Equity Investments" and Note 6, "Investments in Unconsolidated Joint Ventures." All significant intercompany balances and transactions have been eliminated.

We consolidate a variable interest entity, or VIE, in which we are considered a primary beneficiary. The primary beneficiary is the entity that has (i) the power to direct the activities that most significantly impact the entity's economic performance and (ii) the obligation to absorb losses of the VIE or the right to receive benefits from the VIE that could be significant to the VIE. Included in commercial real estate properties on our consolidated balance sheets for the years ended December 31, 2013 and 2012 are approximately $605.9 million and $607.4 million, respectively, related to our consolidated VIEs. Included in mortgages and other loans payable on our consolidated balance sheets for the years ended December 31, 2013 and 2012 are approximately $370.9 million and $379.6 million, respectively, related to our consolidated VIEs.

A noncontrolling interest in a consolidated subsidiary is defined as the portion of the equity (net assets) in a subsidiary not attributable, directly or indirectly, to a parent. Noncontrolling interests are required to be presented as a separate component of equity in the consolidated balance sheet and the presentation of net income was modified to require earnings and other comprehensive income to be attributed to controlling and noncontrolling interests.

We assess the accounting treatment for each joint venture and debt and preferred equity investment. This assessment includes a review of each joint venture or limited liability company agreement to determine which party has what rights and whether those rights are protective or participating. For all VIE's, we review such agreements in order to determine which party has the power to direct the activities that most significantly impact the entity's economic performance. In situations where we or our partner approves, among other things, the annual budget, receives a detailed monthly reporting package from us, meets on a quarterly basis to review the results of the joint venture, reviews and approves the joint venture's tax return before filing, and approves all leases that cover more than a nominal amount of space relative to the total rentable space at each property, we do not consolidate the joint venture as we consider these to be substantive participation rights that result in shared power of the activities that most significantly impact the performance of our joint venture. Our joint venture agreements typically contain certain protective rights such as the requirement of partner approval to sell, finance or refinance the property and the payment of capital expenditures and operating expenditures outside of the approved budget or operating plan.

Investment in Commercial Real Estate Properties

Real estate properties are presented at cost less accumulated depreciation and amortization. Costs directly related to the development or redevelopment of properties are capitalized. Ordinary repairs and maintenance are expensed as incurred; major replacements and betterments, which improve or extend the life of the asset, are capitalized and depreciated over their estimated useful lives.

A property to be disposed of is reported at the lower of its carrying value or its estimated fair value, less its cost to sell. Once an asset is held for sale, depreciation expense is no longer recorded and the historic results are reclassified as discontinued operations. See Note 4, "Property Dispositions."

Properties are depreciated using the straight-line method over the estimated useful lives of the assets. The estimated useful lives are as follows:



Category		Term
Building (fee ownership)		40 years
Building improvements		shorter of remaining life of the building or useful life
Building (leasehold interest)		lesser of 40 years or remaining term of the lease
Property under capital lease		remaining lease term
Furniture and fixtures		four to seven years
Tenant improvements		shorter of remaining term of the lease or useful life

Depreciation expense (including amortization of the capital lease asset) amounted to approximately $309.4 million, $301.0 million and $249.0 million for the years ended December 31, 2013, 2012 and 2011, respectively.

On a periodic basis, we assess whether there are any indications that the value of our real estate properties may be impaired or that their carrying value may not be recoverable. A property's value is considered impaired if management's estimate of the aggregate future cash flows (undiscounted and without interest charges for consolidated properties) to be generated by the property is less than the carrying value of the property. To the extent impairment has occurred, the loss will be measured as the excess of the carrying amount of the property over the calculated fair value of the property. We do not believe that the values of any of our consolidated properties were impaired at December 31, 2013.

We also evaluate our real estate properties for potential impairment when a real estate property has been classified as held for sale. Real estate assets held for sale are valued at the lower of their carrying value or fair value less costs to sell. In June 2013, we recorded a $2.2 million impairment charge in connection with the sale of 300 Main Street in Stamford, Connecticut.

A variety of costs are incurred in the development and leasing of our properties. After determination is made to capitalize a cost, it is allocated to the specific component of a project that is benefited. Determination of when a development project is substantially complete and capitalization must cease involves a degree of judgment. The costs of land and building under development include specifically identifiable costs. The capitalized costs include, but are not limited to, pre-construction costs essential to the development of the property, development costs, construction costs, interest costs, real estate taxes, salaries and related costs and other costs incurred during the period of development. We consider a construction project as substantially completed and held available for occupancy upon the completion of tenant improvements, but no later than one year from cessation of major construction activity. We cease capitalization on the portions substantially completed and occupied or held available for occupancy, and capitalize only those costs associated with the portions under construction.

Results of operations of properties acquired are included in the consolidated statements of income from the date of acquisition.

We recognize the assets acquired, liabilities assumed (including contingencies) and any noncontrolling interests in an acquired entity at their fair values on the acquisition date. We expense acquisition-related transaction costs as incurred, which are included in transaction related costs on our consolidated statements of income.

When we acquire our partner's equity interest in an existing unconsolidated joint venture and gain control over the investment, we record the consolidated investment at fair value. The difference between the book value of our equity investment on the purchase date and our share of the fair value of the investment's purchase price is recorded as a purchase price fair value adjustment in our consolidated statements of income. In April 2013, we recognized a purchase price fair value adjustment of $(2.3) million in connection with the consolidation of 16 Court Street, which was previously accounted for as an investment in unconsolidated joint venture.

We allocate the purchase price of real estate to land and building (inclusive of tenant improvements) and, if determined to be material, intangibles, such as the value of above- and below-market leases and origination costs associated with the in-place leases. We depreciate the amount allocated to building (inclusive of tenant improvements) and other intangible assets over their estimated useful lives, which generally range from three to 40 years and from one to 14 years, respectively. The values of the above- and below-market leases are amortized and recorded as either an increase (in the case of below-market leases) or a decrease (in the case of above-market leases) to rental income over the remaining term of the associated lease, which generally range from one to 14 years. The value associated with in-place leases is amortized over the expected term of the associated lease, which generally ranges from one to 14 years. If a tenant vacates its space prior to the contractual termination of the lease and no rental payments are being made on the lease, any unamortized balance of the related intangible will be written off. The tenant improvements and origination costs are amortized as an expense over the remaining life of the lease (or charged against earnings if the lease is terminated prior to its contractual expiration date). We assess fair value of the leases based on estimated cash flow projections that utilize appropriate discount and capitalization rates and available market information. Estimates of future cash flows are based on a number of factors including the historical operating results, known trends, and market/economic conditions that may affect the property. To the extent acquired leases contain fixed rate renewal options that are below market and determined to be material, we amortize such below market lease value into rental income over the renewal period.

We recognized an increase of approximately $13.5 million, $10.4 million and $19.6 million in rental revenue for the years ended December 31, 2013, 2012 and 2011, respectively, for the amortization of aggregate below-market leases in excess of above-market leases and a reduction in lease origination costs, resulting from the allocation of the purchase price of the applicable properties. The increase in rental revenue for the year ended December 31, 2013 is net of approximately $6.8 million resulting from the write-off of above-market and in-place balances associated with a former tenant. We recognized a reduction in interest expense for the amortization of the above-market rate mortgages assumed of approximately $5.3 million, $1.8 million and $5.9 million for the years ended December 31, 2013, 2012 and 2011, respectively.

The following summarizes our identified intangible assets (acquired above-market leases and in-place leases) and intangible liabilities (acquired below-market leases) as of December 31, 2013 and 2012 (in thousands):



	December 31,
	2013			2012
Identified intangible assets (included in other assets):
Gross amount	$	746,704		$	725,861
Accumulated amortization	(343,339		)	(263,107		)
Net	$	403,365		$	462,754
Identified intangible liabilities (included in deferred revenue):
Gross amount	$	671,380		$	651,921
Accumulated amortization	(429,138		)	(357,225		)
Net	$	242,242		$	294,696

The estimated annual amortization of acquired below-market leases, net of acquired above-market leases (a component of rental revenue), for each of the five succeeding years is as follows (in thousands):



2014	$	(1,984	)
2015	(2,464		)
2016	(4,632		)
2017	(3,758		)
2018	(4,763		)

The estimated annual amortization of all other identifiable assets (a component of depreciation and amortization expense) including tenant improvements for each of the five succeeding years is as follows (in thousands):



2014	$	14,938
2015	10,387
2016	6,878
2017	5,482
2018	3,978

Cash and Cash Equivalents

We consider all highly liquid investments with maturity of three months or less when purchased to be cash equivalents.

Fair Value Measurements

Refer to Note 17, "Fair Value Measurements," in the accompanying notes to consolidated financial statements.

Investment in Marketable Securities

We invest in marketable securities. At the time of purchase, we are required to designate a security as held-to-maturity, available-for-sale, or trading depending on ability and intent. We do not have any securities designated as held-to-maturity or trading at this time. Securities available-for-sale are reported at fair value pursuant to ASC 820-10, with the net unrealized gains or losses reported as a component of accumulated other comprehensive loss. Unrealized losses that are determined to be other-than-temporary are recognized in earnings up to their credit component.

The cost of bonds and marketable securities sold was determined using the specific identification method.

At December 31, 2013 and 2012, we held the following marketable securities (in thousands):



	December 31,
	2013		2012
Equity marketable securities	$	4,307	$	2,202
Commercial mortgage-backed securities	24,419		15,575
Rake bonds	3,323		3,652
Total marketable securities available-for-sale	$	32,049	$	21,429

Our equity marketable securities represent our investment in Gramercy Capital Corp., which was renamed Gramercy Property Trust Inc. (NYSE: GPT), or Gramercy, in April 2013. Marc Holliday, our chief executive officer, remains a board member of Gramercy. As we no longer have any significant influence over Gramercy, we account for our investment as available-for-sale securities.

The cost basis of the commercial mortgage-backed securities was $23.0 million and $13.7 million at December 31, 2013 and 2012, respectively.

The cost basis of the rake bonds was $3.6 million and $3.7 million at December 31, 2013 and 2012, respectively. These bonds mature at various times through 2030.

There were no sales of any of our marketable securities during the year ended December 31, 2013. During the years ended December 31, 2012 and 2011, we disposed of some of our shares in Gramercy for aggregate net proceeds of $6.8 million and $6.2 million and realized gains of $4.9 million and $4.5 million, respectively, which are included in gain on sale of investment in marketable securities on the consolidated statements of income. During the year ended December 31, 2011, we sold $22.5 million of rake bonds and realized a gain of $0.4 million, which are also included in gain on sale of investment in marketable securities on the consolidated statements of income.

Investments in Unconsolidated Joint Ventures

We account for our investments in unconsolidated joint ventures under the equity method of accounting in cases where we exercise significant influence over, but do not control, these entities and are not considered to be the primary beneficiary. We consolidate those joint ventures that we control or which are VIEs and where we are considered to be the primary beneficiary. In all these joint ventures, the rights of the joint venture partner are both protective as well as participating. Unless we are determined to be the primary beneficiary in a VIE, these participating rights preclude us from consolidating these non-VIE entities. These investments are recorded initially at cost, as investments in unconsolidated joint ventures, and subsequently adjusted for equity in net income (loss) and cash contributions and distributions. Equity income (loss) from unconsolidated joint ventures is allocated based on our ownership or economic interest in each joint venture. When a capital event (as defined in each joint venture agreement) such as a refinancing occurs, if return thresholds are met, future equity income will be allocated at our increased economic interest. We recognize incentive income from unconsolidated real estate joint ventures as income to the extent it is earned and not subject to a clawback feature. Distributions we receive from unconsolidated real estate joint ventures in excess of our basis in the investment are recorded as offsets to our investment balance if we remain liable for future obligations of the joint venture or may otherwise be committed to provide future additional financial support. None of the joint venture debt is recourse to us, except for $218.4 million which we guarantee at two joint ventures and performance guarantees under master leases at two other joint ventures. See Note 6, "Investments in Unconsolidated Joint Ventures."

We assess our investments in unconsolidated joint ventures for recoverability, and if it is determined that a loss in value of the investment is other than temporary, we write down the investment to its fair value. We evaluate our equity investments for impairment based on the joint venture's projected discounted cash flows. During the year ended December 31, 2011, we recorded a $5.8 million impairment charge on one of our equity investments, which we sold in July 2012. These charges are included in depreciable real estate reserves in the consolidated statements of income. See Note 6, "Investments in Unconsolidated Joint Ventures." We do not believe that the values of any of our equity investments were impaired at December 31, 2013.

Restricted Cash

Restricted cash primarily consists of security deposits held on behalf of our tenants, interest reserves, as well as capital improvement and real estate tax escrows required under certain loan agreements.

Deferred Lease Costs

Deferred lease costs consist of fees and direct costs incurred to initiate and renew operating leases and are amortized on a straight-line basis over the related lease term. Certain of our employees provide leasing services to the wholly-owned properties. Approximately $12.4 million, $11.0 million and $9.6 million of their compensation for the years ended December 31, 2013, 2012 and 2011, respectively, was capitalized and is amortized over an estimated average lease term of seven years.

Deferred Financing Costs

Deferred financing costs represent commitment fees, legal, title and other third party costs associated with obtaining commitments for financing which result in a closing of such financing. These costs are amortized over the terms of the respective agreements. Unamortized deferred financing costs are expensed when the associated debt is refinanced or repaid before maturity. Costs incurred in seeking financing transactions, which do not close, are expensed in the period in which it is determined that the financing will not close.

Revenue Recognition

Rental revenue is recognized on a straight-line basis over the term of the lease. Rental revenue recognition commences when the tenant takes possession or controls the physical use of the leased space. In order for the tenant to take possession, the leased space must be substantially ready for its intended use. To determine whether the leased space is substantially ready for its intended use, management evaluates whether we are or the tenant is the owner of tenant improvements for accounting purposes. When management concludes that we are the owner of tenant improvements, rental revenue recognition begins when the tenant takes possession of the finished space, which is when such tenant improvements are substantially complete. In certain instances, when management concludes that we are not the owner (the tenant is the owner) of tenant improvements, rental revenue recognition begins when the tenant takes possession of or controls the space. When management concludes that we are the owner of tenant improvements for accounting purposes, we record amounts funded to construct the tenant improvements as a capital asset. For these tenant improvements, we record amounts reimbursed by tenants as a reduction of the capital asset. When management concludes that the tenant is the owner of tenant improvements for accounting purposes, we record our contribution towards those improvements as a lease incentive, which is included in deferred leasing costs on our consolidated balance sheets and amortized as a reduction to rental revenue on a straight-line basis over the term of the lease. The excess of rents recognized over amounts contractually due pursuant to the underlying leases are included in deferred rents receivable on the consolidated balance sheets. We establish, on a current basis, an allowance for future potential tenant credit losses, which may occur against this account. The balance reflected on the consolidated balance sheet is net of such allowance.

In addition to base rent, our tenants also generally will pay their pro rata share of increases in real estate taxes and operating expenses for the building over a base year. In some leases, in lieu of paying additional rent based upon increases in building operating expenses, the tenant will pay additional rent based upon increases in the wage rate paid to porters over the porters' wage rate in effect during a base year or increases in the consumer price index over the index value in effect during a base year. In addition, many of our leases contain fixed percentage increases over the base rent to cover escalations. Electricity is most often supplied by the landlord either on a sub-metered basis, or rent inclusion basis (i.e., a fixed fee is included in the rent for electricity, which amount may increase based upon increases in electricity rates or increases in electrical usage by the tenant). Base building services other than electricity (such as heat, air conditioning and freight elevator service during business hours, and base building cleaning) are typically provided at no additional cost, with the tenant paying additional rent only for services which exceed base building services or for services which are provided outside normal business hours. These escalations are based on actual expenses incurred in the prior calendar year. If the expenses in the current year are different from those in the prior year, then during the current year, the escalations will be adjusted to reflect the actual expenses for the current year.

We record a gain on sale of real estate when title is conveyed to the buyer, subject to the buyer's financial commitment being sufficient to provide economic substance to the sale and we have no substantial economic involvement with the buyer.

Interest income on debt and preferred equity investments is recognized over the life of the investment using the effective interest method and recognized on the accrual basis. Fees received in connection with loan commitments are deferred until the loan is funded and are then recognized over the term of the loan as an adjustment to yield. Anticipated exit fees, whose collection is expected, are also recognized over the term of the loan as an adjustment to yield. Fees on commitments that expire unused are recognized at expiration.

Income recognition is generally suspended for debt and preferred equity investments at the earlier of the date at which payments become 90 days past due or when, in the opinion of management, a full recovery of interest income becomes doubtful. Interest income recognition is resumed when the loan becomes contractually current and performance is demonstrated to be resumed. Interest is recorded as income on impaired loans only to the extent cash is received. Several of the debt and preferred equity investments provide for accrual of interest at specified rates, which differ from current payment terms. Interest is recognized on such loans at the accrual rate subject to management's determination that accrued interest are ultimately collectible, based on the underlying collateral and operations of the borrower. If management cannot make this determination, interest income above the current pay rate is recognized only upon actual receipt.

If we purchase a debt or preferred equity investment at a discount, intend to hold it until maturity and expect to recover the full value of the investment, we accrete the discount into income as an adjustment to yield over the term of the investment. If we purchase a debt or preferred equity investment at a discount with the intention of foreclosing on the collateral, we do not accrete the discount.

Asset management fees are recognized on a straight-line basis over the term of the asset management agreement.

Allowance for Doubtful Accounts

We maintain an allowance for doubtful accounts for estimated losses resulting from the inability of our tenants to make required payments. If the financial condition of a specific tenant were to deteriorate, resulting in an impairment of its ability to make payments, additional allowances may be required.

Reserve for Possible Credit Losses

The expense for possible credit losses in connection with debt and preferred equity investments is the charge to earnings to increase the allowance for possible credit losses to the level that we estimate to be adequate, based on Level 3 data, considering delinquencies, loss experience and collateral quality. Other factors considered relate to geographic trends and product diversification, the size of the portfolio and current economic conditions. Based upon these factors, we establish the provision for possible credit loss on each individual investment. When it is probable that we will be unable to collect all amounts contractually due, the investment is considered impaired.

Where impairment is indicated on an investment that is held to maturity, a valuation allowance is measured based upon the excess of the recorded investment amount over the net fair value of the collateral. Any deficiency between the carrying amount of an asset and the calculated value of the collateral is charged to expense. The write off of the reserve balance is called a charge off. We continue to assess or adjust our estimates based on circumstances of a loan and the underlying collateral. If the additional information obtained reflects increased recovery of our investment, we will adjust our reserves accordingly. There were no additional loan reserves recorded during the year ended December 31, 2013. We recorded loan loss reserves of $3.0 million and $10.9 million on investments being held to maturity during the years ended December 31, 2012 and 2011, respectively. We also recorded recoveries of approximately $2.4 million and $4.4 million during the years ended December 31, 2012 and 2011, respectively, in connection with the sale of our investments. This is included in loan loss and other investment reserves, net of recoveries on the consolidated statements of income.

Debt and preferred equity investments held for sale are carried at the lower of cost or fair market value using available market information obtained through consultation with dealers or other originators of such investments as well as discounted cash flow models based on Level 3 data pursuant to ASC 820-10. As circumstances change, management may conclude not to sell an investment designated as held for sale. In such situations, the investment will be reclassified at its net carrying value to debt and preferred equity investments held to maturity. For these reclassified investments, the difference between the current carrying value and the expected cash to be collected at maturity will be accreted into income over the remaining term of the investment.

Rent Expense

Rent expense is recognized on a straight-line basis over the initial term of the lease. The excess of the rent expense recognized over the amounts contractually due pursuant to the underlying lease is included in the deferred land lease payable on the consolidated balance sheets.

Income Taxes

SL Green is taxed as a REIT under Section 856(c) of the Code. As a REIT, SL Green generally is not subject to Federal income tax. To maintain its qualification as a REIT, SL Green must distribute at least 90% of its REIT taxable income to its stockholders and meet certain other requirements. If SL Green fails to qualify as a REIT in any taxable year, we will be subject to Federal income tax on SL Green's taxable income at regular corporate rates. SL Green may also be subject to certain state, local and franchise taxes. Under certain circumstances, Federal income and excise taxes may be due on SL Green's undistributed taxable income.

The Operating Partnership is a partnership and, as a result, all income and losses of the partnership are allocated to the partners for inclusion in their respective income tax returns. The only provision for income taxes included in the consolidated statements of income relates to the Operating Partnership’s consolidated taxable REIT subsidiaries. We may also be subject to certain state, local and franchise taxes.

Pursuant to amendments to the Code that became effective January 1, 2001, we have elected, and may elect in the future, to treat certain of our existing or newly created corporate subsidiaries as taxable REIT subsidiaries, or a TRS. In general, a TRS may perform non-customary services for the tenants of the Company, hold assets that we cannot hold directly and generally may engage in any real estate or non-real estate related business. The TRS generates income, resulting in Federal and state income tax liability for these entities.

During the year ended December 31, 2013, we recorded Federal, state and local tax provision of $4.4 million. There were no Federal, state and local tax provisions for the years ended December 31, 2012 and 2011.

We follow a two-step approach for evaluating uncertain tax positions. Recognition (step one) occurs when an enterprise concludes that a tax position, based solely on its technical merits, is more-likely-than-not to be sustained upon examination. Measurement (step two) determines the amount of benefit that is more-likely-than-not to be realized upon settlement. Derecognition of a tax position that was previously recognized would occur when a company subsequently determines that a tax position no longer meets the more-likely-than-not threshold of being sustained. The use of a valuation allowance as a substitute for derecognition of tax positions is prohibited.

Underwriting Commissions and Costs

Underwriting commissions and costs incurred in connection with our stock offerings are reflected as a reduction of additional paid-in-capital.

Exchangeable Debt Instruments

The initial proceeds from exchangeable debt that may be settled in cash, including partial cash settlements, must be bifurcated between a liability component and an equity component associated with the embedded conversion option. The objective of the accounting guidance is to require the liability and equity components of exchangeable debt to be separately accounted for in a manner such that the interest expense on the exchangeable debt is not recorded at the stated rate of interest but rather at an effective rate that reflects the issuer's conventional debt borrowing rate at the date of issuance. We calculate the liability component of exchangeable debt based on the present value of the contractual cash flows discounted at our comparable market conventional debt borrowing rate at the date of issuance. The difference between the principal amount and the fair value of the liability component is reported as a discount on the exchangeable debt that is accreted as additional interest expense from the issuance date through the contractual maturity date using the effective interest method. A portion of this additional interest expense may be capitalized to the development and redevelopment balances qualifying for interest capitalization each period. The liability component of the exchangeable debt is reported net of discounts on our consolidated balance sheets. We calculate the equity component of exchangeable debt based on the difference between the initial proceeds received from the issuance of the exchangeable debt and the fair value of the liability component at the issuance date. The equity component is included in additional paid-in-capital, net of issuance costs, on our consolidated balance sheets. We allocate issuance costs for exchangeable debt between the liability and the equity components based on their relative values.

Stock-Based Employee Compensation Plans

We have a stock-based employee compensation plan, described more fully in Note 14, "Share-based Compensation."

Our stock options are recorded at fair value at the time of issuance. Fair value of the stock options is determined using the Black-Scholes option pricing model. The Black-Scholes model was developed for use in estimating the fair value of traded options, which have no vesting restrictions and are fully transferable. In addition, option valuation models require the input of highly subjective assumptions including the expected stock price volatility. Because our plan has characteristics significantly different from those of traded options and because changes in the subjective input assumptions can materially affect the fair value estimate, in our opinion, the existing models do not necessarily provide a reliable single measure of the fair value of our employee stock options.

Compensation cost for stock options, if any, is recognized ratably over the vesting period of the award. Our policy is to grant options with an exercise price equal to the quoted closing market price of our stock on the grant date. Awards of stock or restricted stock are expensed as compensation over the benefit period based on the fair value of the stock on the grant date.

For share-based awards with a performance or market measure, we recognize compensation cost over the requisite service period, using the accelerated attribution expense method. The requisite service period begins on the date the compensation committee of SL Green's board of directors authorizes the award, adopts any relevant performance measures and communicates the award to the employees. For programs with performance measures, the total estimated compensation cost is based on the fair value of the award at the applicable reporting date estimated using a binomial model. For share-based awards for which there is no pre-established performance measure, we recognize compensation cost over the service vesting period, which represents the requisite service period, on a straight-line basis. In accordance with the provisions of our share-based incentive compensation plans, we accept the return of shares of the Company's common stock, at the current quoted market price, from certain key employee to satisfy minimum statutory tax-withholding requirements related to shares that vested during the period.

Awards can also be made in the form of a separate series of units of limited partnership interest in the Operating Partnership called long-term incentive plan units, or LTIP units. LTIP units, which can be granted either as free-standing awards or in tandem with other awards under our stock incentive plan, are valued by reference to the value of the Company's common stock at the time of grant, and are subject to such conditions and restrictions as the compensation committee of the Company's board of directors may determine, including continued employment or service, computation of financial metrics and/or achievement of pre-established performance goals and objectives.

Derivative Instruments

In the normal course of business, we use a variety of commonly used derivative instruments, such as interest rate swaps, caps, collar and floors, to manage, or hedge, interest rate risk. We require that hedging derivative instruments are effective in reducing the interest rate risk exposure that they are designated to hedge. This effectiveness is essential for qualifying for hedge accounting. Some derivative instruments are associated with an anticipated transaction. In those cases, hedge effectiveness criteria also require that it be probable that the underlying transaction occurs. Instruments that meet these hedging criteria are formally designated as hedges at the inception of the derivative contract.

To determine the fair values of derivative instruments, we use a variety of methods and assumptions that are based on market conditions and risks existing at each balance sheet date. For the majority of financial instruments including most derivatives, long-term investments and long-term debt, standard market conventions and techniques such as discounted cash flow analysis, option pricing models, replacement cost, and termination cost are used to determine fair value. All methods of assessing fair value result in a general approximation of value, and such value may never actually be realized.

In the normal course of business, we are exposed to the effect of interest rate changes and limit these risks by following established risk management policies and procedures including the use of derivatives. To address exposure to interest rates, derivatives are used primarily to fix the rate on debt based on floating-rate indices and manage the cost of borrowing obligations.

We use a variety of commonly used derivative products that are considered plain vanilla derivatives. These derivatives typically include interest rate swaps, caps, collars and floors. We expressly prohibit the use of unconventional derivative instruments and using derivative instruments for trading or speculative purposes. Further, we have a policy of only entering into contracts with major financial institutions based upon their credit ratings and other factors.

We may employ swaps, forwards or purchased options to hedge qualifying forecasted transactions. Gains and losses related to these transactions are deferred and recognized in net income as interest expense in the same period or periods that the underlying transaction occurs, expires or is otherwise terminated.

Hedges that are reported at fair value and presented on the balance sheet could be characterized as cash flow hedges or fair value hedges. Interest rate caps and collars are examples of cash flow hedges. Cash flow hedges address the risk associated with future cash flows of interest payments. For all hedges held by us and which were deemed to be fully effective in meeting the hedging objectives established by our corporate policy governing interest rate risk management, no net gains or losses were reported in earnings. The changes in fair value of hedge instruments are reflected in accumulated other comprehensive income. For derivative instruments not designated as hedging instruments, the gain or loss, resulting from the change in the estimated fair value of the derivative instruments, is recognized in current earnings during the period of change.

Earnings per Share of the Company

We present both basic and diluted earnings per share, or EPS. Basic EPS excludes dilution and is computed by dividing net income attributable to common stockholders by the weighted average number of common shares outstanding during the period. Basic EPS includes participating securities, consisting of unvested restricted stock that receive nonforfeitable dividends similar to shares of common stock. Diluted EPS reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock, where such exercise or conversion would result in a lower EPS amount. Diluted EPS also includes units of limited partnership interest. The dilutive effect of stock options is reflected in the weighted average diluted outstanding shares calculation by application of the treasury stock method. There is no dilutive effect for the exchangeable senior debentures as the conversion premium will be paid in cash.

Earnings per Unit of the Operating Partnership

The Operating Partnership presents both basic and diluted earnings per unit, or EPU. Basic EPU excludes dilution and is computed by dividing net income attributable to common unitholders by the weighted average number of common units outstanding during the period. Basic EPU includes participating securities, consisting of unvested restricted units that receive nonforfeitable dividends similar to shares of common units. Diluted EPU reflects the potential dilution that could occur if securities or other contracts to issue common units were exercised or converted into common units, where such exercise or conversion would result in a lower EPU amount. The dilutive effect of unit options is reflected in the weighted average diluted outstanding units calculation by application of the treasury stock method. There is no dilutive effect for the exchangeable senior notes as the conversion premium will be paid in cash.

Use of Estimates

The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.

Concentrations of Credit Risk

Financial instruments that potentially subject us to concentrations of credit risk consist primarily of cash investments, debt and preferred equity investments and accounts receivable. We place our cash investments in excess of insured amounts with high quality financial institutions. The collateral securing our debt and preferred equity investments is located in the New York Metropolitan area. See Note 5, "Debt and Preferred Equity Investments." We perform ongoing credit evaluations of our tenants and require most tenants to provide security deposits or letters of credit. Though these security deposits and letters of credit are insufficient to meet the total value of a tenant's lease obligation, they are a measure of good faith and a source of funds to offset the economic costs associated with lost rent and the costs associated with re-tenanting the space. Although the properties in our real estate portfolio are primarily located in Manhattan, we also have properties located in Brooklyn, Long Island. Westchester County, Connecticut, Northern New Jersey and the west coast. The tenants located in our buildings operate in various industries. Other than three tenants who account for approximately 7.5%, 6.6% and 6.1% of our share of annualized cash rent, respectively, no other tenant in our portfolio accounted for more than 2.2% of our annualized cash rent, including our share of joint venture annualized rent, at December 31, 2013. Approximately 10.6%, 7.8%, 7.7% and 6.4% of our annualized cash rent for consolidated properties was attributable to 1515 Broadway, 919 Third Avenue, 1185 Avenue of the Americas and One Madison Avenue, respectively, for the year ended December 31, 2013. Approximately 10.2%, 8.0%, 7.1% and 6.2% of our annualized cash rent for consolidated properties was attributable to 1515 Broadway, 919 Third Avenue, 1185 Avenue of the Americas and One Madison Avenue, respectively, for the year ended December 31, 2012. Approximately 10.3%, 8.3%, 7.2%, and 6.5% of our annualized rent for consolidated properties was attributable to 1515 Broadway, 919 Third Avenue, 1185 Avenue of the Americas and One Madison Avenue, respectively, for the year ended December 31, 2011. In addition, three debt and preferred equity investments accounted for more than 10.0% of the income earned on debt and preferred equity investments during 2013. As of December 31, 2013, approximately 73.9% of our workforce is covered by three collective bargaining agreements. Approximately 77.3% of our workforce which services substantially all of our properties is covered by a collective bargaining agreement which expires in 2015. See Note 20, "Benefits Plans."

Reclassification

Certain prior year balances have been reclassified to conform to our current year presentation primarily in order to eliminate discontinued operations from income from continuing operations, to reclassify deferred origination fees from deferred income to debt and preferred equity investments and to reclassify contingent liabilities relating to operating escalation reimbursements from tenant and other receivables, net of allowance to accrued interest and other liabilities.

Accounting Standards Updates

In May 2011, the FASB issued updated guidance on fair value measurement which amends U.S. GAAP to conform to IFRS measurement and disclosure requirements. The amendments change the wording used to describe the requirements in U.S. GAAP for measuring fair value, changes certain fair value measurement principles and enhances disclosure requirements. This guidance was effective as of the first quarter of 2012, and its adoption did not have a material impact on our consolidated financial statements.

In December 2011, the FASB issued guidance that concluded when a parent ceases to have a controlling financial interest in a subsidiary that is in-substance real estate as a result of default on the subsidiary's nonrecourse debt, the reporting entity must apply the accounting guidance for sales of real estate to determine whether it should derecognize the in-substance real estate. The reporting entity is precluded from derecognizing the real estate until legal ownership has been transferred to the lender to satisfy the debt. The guidance was effective for calendar year-end public and nonpublic companies in 2013 and is to be applied on a prospective basis. Early adoption of the guidance is permitted. Adoption of this guidance did not have a material impact on our consolidated financial statements.

In February 2013, the FASB issued guidance on the presentation and disclosure of reclassification adjustments out of accumulated other comprehensive income, or AOCI. The standard requires an entity to present information about significant items reclassified out of AOCI by component either on the face of the statement where net income is presented or as a separate disclosure in the notes to financial statements. The guidance was effective for calendar year-end public companies beginning in the first quarter of 2013 and its adoption did not have a material impact on our consolidated financial statements.

Property Acquisitions

12 Months Ended

Dec. 31, 2013

Business Combinations [Abstract]

Property Acquisitions

2013 Acquisitions

In November 2013, we acquired a 492,987 square foot (unaudited) mixed-use residential and commercial property, consisting of 333 apartment units and 270,132 square foot (unaudited) of commercial space, located at 315 West 33rd Street for $386.8 million.

In November 2013, we acquired the aggregate 66,692 square foot (unaudited) assemblage of retail development properties located on Fifth Avenue for $146.0 million.

In April 2013, we acquired interests from our joint venture partner, City Investment Fund, or CIF, in 16 Court Street in Brooklyn for $4.0 million. We have consolidated the ownership of the 318,000 square foot (unaudited) building. The transaction valued the consolidated interest at $96.2 million, inclusive of the $84.6 million mortgage encumbering the property. We recognized a purchase price fair value adjustment of $(2.3) million upon the closing of this transaction. This property, which we initially acquired in July 2007, was previously accounted for as an investment in unconsolidated joint ventures.

In March 2013, we, along with Magnum Real Estate Group, acquired 84 residential apartment units, consisting of 72 apartment units and 12 townhouses, located at 248-252 Bedford Avenue, Williamsburg, Brooklyn for $54.9 million. Simultaneous with the closing, the joint venture closed on a five-year $22.0 million mortgage loan which carries a floating rate of interest of 225 basis points over LIBOR. The property is above a commercial property already owned by us. We hold a 90.0% controlling interest in this joint venture.

The following summarizes our allocation of the purchase price of the assets acquired and liabilities assumed upon the closing of these 2013 acquisitions (in thousands):



	315 West 33 Street(1)		Assemblage of Retail Development Properties on Fifth Avenue(1)		16 Court		248-252 Bedford Avenue
Land	$	116,033	$	43,800	$	19,217	$	10,865
Building and building leasehold	270,742		102,200		63,210		44,035
Above market lease value	—		—		5,122		—
Acquired in-place leases	—		—		9,422		—
Other assets, net of other liabilities	—		—		3,380		—
Assets acquired	386,775		146,000		100,351		54,900
Mark-to-market assumed debt	—		—		294		—
Below market lease value	—		—		3,885		—
Liabilities assumed	—		—		4,179		—
Purchase price allocation	$	386,775	$	146,000	$	96,172	$	54,900
Net consideration funded by us at closing, excluding consideration financed by debt	$	386,775	$	146,000	$	4,000	$	21,782
Equity and/or debt investment held	$	—	$	—	$	13,835	$	—
Debt assumed	$	—	$	—	$	84,642	$	—

______________________________________________________________________


(1)	We are currently in the process of analyzing the purchase price allocation and, as such, we have not allocated any value to intangible assets such as above- and below-market lease or in-place leases.

2012 Acquisitions

In December 2012, we acquired the aggregate 42,000 square foot (unaudited) vacant retail buildings located at 985-987 Third Avenue for $18.0 million.

In December 2012, we acquired a 68,000 square foot (unaudited) mixed-use retail, office and residential building located at 131-137 Spring Street for $122.3 million.

In October 2012, we, along with Stonehenge Partners, acquired a 99-year leasehold position covering an 82,250 square foot (unaudited), 96 unit residential building located at 1080 Amsterdam Avenue, which we are developing into a luxury residential building.

In September 2012, we acquired the aggregate 267,000 square foot (unaudited) office buildings located at 635 and 641 Sixth Avenue for $173.0 million.

In June 2012, we acquired a 215,000 square foot (unaudited) office building located at 304 Park Avenue South for $135.0 million. The property was acquired with approximately $102.0 million in cash and $33.0 million in units of limited partnership interest of the Operating Partnership.

In October 2011, we formed a joint venture with Stonehenge Partners and, in January 2012, we acquired five retail and two multifamily properties in Manhattan for $193.1 million, inclusive of the issuance of $47.6 million aggregate liquidation preference of 4.5% Series G Preferred Units of limited partnership interest of the Operating Partnership. Simultaneous with the closing, we financed the multifamily component, which encompasses 385 units and 488,000 square feet (unaudited), with an aggregate 12 years $100.0 million fixed rate mortgage which bears interest at 4.1% and one of the retail properties financed with a 5-year $8.5 million fixed rate mortgage which bears interest at 3.8%. We hold an 80.0% interest in this joint venture which we consolidate as it is a VIE and we have been designated as the primary beneficiary. In February 2013, we sold one of the retail properties, which is further described in Note 4, "Property Dispositions."

The following summarizes our allocation of the purchase price of the assets acquired and liabilities assumed upon the closing of these 2012 acquisitions (in thousands):



	985-987 Third Avenue		131-137 Spring Street		635-641 Sixth Avenue		304 Park Avenue South		Stonehenge Properties
Land	$	5,400	$	27,021	$	69,848	$	54,189	$	65,533
Building and building leasehold	12,600		105,342		104,474		75,619		128,457
Above market lease value	—		179		—		2,824		594
Acquired in-place leases	—		7,046		7,727		8,265		9,573
Other assets, net of other liabilities	—		—		—		—		2,190
Assets acquired	18,000		139,588		182,049		140,897		206,347
Fair value adjustment to mortgage note payable	—		—		—		—		—
Below market lease value	—		17,288		9,049		5,897		13,239
Liabilities assumed	—		17,288		9,049		5,897		13,239
Purchase price allocation	$	18,000	$	122,300	$	173,000	$	135,000	$	193,108
Net consideration funded by us at closing, excluding consideration financed by debt	$	18,000	$	122,300	$	173,000	$	135,000	$	78,121
Equity and/or debt investment held	$	—	$	—	$	—	$	—	$	—
Debt assumed	$	—	$	—	$	—	$	—	$	—

2011 Acquisitions

In November 2011, we acquired all of the interests in 51 East 42nd Street, a 142,000 square foot (unaudited) office building for approximately $80.0 million, inclusive of the issuance of $2.0 million, aggregate liquidation preference of 6.0% Series H Preferred Units of limited partnership interest of the Operating Partnership.

In November 2011 we, along with The Moinian Group, formed a joint venture to recapitalize 180 Maiden Lane, a fully-leased, 1.1 million square foot (unaudited) Class A office tower. The consideration for our 49.9% stake in the joint venture included $41.0 million in cash and common units of limited partnership interest of the Operating Partnership valued at $31.7 million. The transaction valued the property at $442.3 million. In connection with the issuance of these Operating Partnership units, we recorded an $8.3 million fair value adjustment due to changes in our stock price. Simultaneous with the closing of the recapitalization, the joint venture refinanced the existing $344.2 million indebtedness with a five-year $280.0 million mortgage. We consolidate this joint venture, which is a VIE in which we have been designated as the primary beneficiary, as a result of the control we exert over leasing activities at the property.

In May 2011, we acquired a substantial ownership interest in the 205,000 square foot (unaudited) office condominium at 110 East 42nd Street, along with control of the asset. We had previously provided a $16.0 million senior mezzanine loan as part of our sale of the condominium unit in 2007. The May 2011 transaction included a consensual modification of that loan. In conjunction with the transaction, we successfully restructured the in-place mortgage financing, which had previously been in default.

In April 2011, we purchased SITQ Immobilier, a subsidiary of Caisse de depot et placement du Quebec, or SITQ's, 31.5% economic interest in 1515 Broadway, thereby consolidating full ownership of the 1,750,000 square foot (unaudited) building. The transaction valued the consolidated interests at $1.2 billion. This valuation was based on a negotiated sales agreement and took into consideration such factors as whether this was a distressed sale and whether a minority discount was warranted. We acquired the interest subject to the $458.8 million mortgage encumbering the property. We recognized a purchase price fair value adjustment of $475.1 million upon the closing of this transaction. This property, which we initially acquired in May 2002, was previously accounted for as an investment in unconsolidated joint ventures.

In January 2011, we purchased CIF's 49.9% interest in 521 Fifth Avenue, thereby assuming full ownership of the 460,000 square-foot (unaudited) building. The transaction valued the consolidated interests at approximately $245.7 million, excluding $4.5 million of cash and other assets acquired. We acquired the interest subject to the $140.0 million mortgage encumbering the property. We recognized a purchase price fair value adjustment of $13.8 million upon the closing of this transaction. In April 2011, we refinanced the property with a new $150.0 million two-year mortgage which carries a floating rate of interest of 200 basis points over the 30-day LIBOR. In connection with that refinancing, we acquired the fee interest in the property for $15.0 million.

The following summarizes our allocation of the purchase price of the assets acquired and liabilities assumed upon the closing of these 2011 acquisitions (in thousands):



	51 East 42nd Street		180 Maiden Lane		110 East 42nd Street		1515 Broadway			521 Fifth Avenue
Land	$	44,095	$	191,523	$	34,000	$	462,700		$	110,100
Building and building leasehold	33,470		233,230		46,411		707,938			146,686
Above market lease value	5,616		7,944		823		18,298			3,318
Acquired in-place leases	4,333		29,948		5,396		98,661			23,016
Other assets, net of other liabilities	—		—		—		27,127			—
Assets acquired	87,514		462,645		86,630		1,314,724			283,120
Fair value adjustment to mortgage note payable	—		—		—		(3,693		)	—
Below market lease value	7,514		20,320		2,326		84,417			25,977
Liabilities assumed	7,514		20,320		2,326		80,724			25,977
Purchase price allocation	$	80,000	$	442,325	$	84,304	$	1,234,000		$	257,143
Net consideration funded by us at closing, excluding consideration financed by debt	$	81,632	$	81,835	$	2,744	$	259,228		$	70,000
Equity and/or debt investment held	$	—	$	—	$	16,000	$	40,942		$	41,432
Debt assumed	$	—	$	—	$	65,000	$	458,767		$	140,000

- Definition

The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable).

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+ Details

Property Dispositions

12 Months Ended

Dec. 31, 2013

Discontinued Operations and Disposal Groups [Abstract]

Property Dispositions

In September 2013, we sold the property located at 300 Main Street, Stamford, Connecticut for $13.5 million. We recorded a $2.2 million impairment charge in the second quarter of 2013.

In August 2013, we sold the property located at 333 West 34th, New York, New York for $220.3 million. We recognized a gain of $13.8 million on the sale, which is net of a $3.0 million employee compensation award accrued in connection with the realization of this investment gain as a bonus to certain employees that were instrumental in realizing the gain on sale.

In February 2013, we, along with our joint venture partner, sold the retail property located at 44 West 55th Street, New York, New York for $6.3 million. We recognized a gain of $1.1 million on the sale.

In February 2012, we sold the leased fee interest at 292 Madison Avenue, New York, New York for $85.0 million. We recognized a gain of $6.6 million on the sale, which is net of a $1.5 million employee compensation award accrued in connection with the realization of this investment gain as a bonus to certain employees that were instrumental in realizing the gain on this sale.

In May 2011, we sold a 359,000 square foot (unaudited) property located at 28 West 44th Street, New York, New York for $161 million. We recognized a gain of $46.1 million on the sale.

Discontinued operations included the results of operations of real estate assets sold prior to December 31, 2013. This included 300 Main Street, which was sold in September 2013, 333 West 34th Street, which was sold in August 2013, 44 West 55th Street, which was sold in February 2013, 292 Madison Avenue, which was sold in February 2012, and 28 West 44th Street, which was sold in May 2011.

The following table summarizes net income from discontinued operations for the years ended December 31, 2013, 2012 and 2011, respectively (in thousands).



	Year Ended December 31,
	2013		2012		2011
Revenues
Rental revenue	$	10,656	$	18,651	$	27,093
Escalation and reimbursement revenues	1,292		2,263		2,924
Other income	8		8,190		121
Total revenues	11,956		29,104		30,138
Operating expenses	3,643		6,646		7,424
Real estate taxes	765		1,224		2,334
Interest expense, net of interest income	461		2,082		4,922
Depreciable real estate reserves	2,150		—		—
Transaction related costs	—		160		1
Depreciation and amortization	3,212		6,373		6,715
Amortization of deferred financing costs	—		—		182
Total expenses	10,231		16,485		21,578
Net income from discontinued operations	$	1,725	$	12,619	$	8,560

- Definition

The entire disclosure for the facts and circumstances leading to the completed or expected disposal, manner and timing of disposal, the gain (loss) recognized in the income statement and the income statement caption that includes that gain (loss), amounts of revenues and pretax profit or loss reported in discontinued operations, the segment in which the disposal group was reported, and the classification (whether sold or classified as held for sale) and carrying value of the assets and liabilities comprising the disposal group. Includes all disposal groups, including those classified as components of the entity (discontinued operations).

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Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e1020-107759

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e1012-107759

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2443-110228

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2941-110230

+ Details

Debt and Preferred Equity Investments

12 Months Ended

Dec. 31, 2013

Investments, Debt and Equity Securities [Abstract]

Debt and Preferred Equity Investments

During the years ended December 31, 2013 and 2012, our debt and preferred equity investments (net of discounts and deferred origination fees) increased approximately $601.3 million and $672.9 million, respectively, due to originations, purchases, accretion of reserves, discounts and paid-in-kind interest. We recorded repayments, participations and sales of approximately $644.9 million and $298.7 million, respectively, and loan loss reserves of zero and $3.0 million during the years ended December 31, 2013 and 2012, respectively, which offset the increases in debt and preferred equity investments.

Debt Investments

As of December 31, 2013 and 2012, we held the following debt investments with an aggregate weighted average current yield of approximately 11.47% at December 31, 2013 (in thousands):



Loan Type	December 31, 2013 Senior Financing		December 31, 2013 Carrying Value, Net of Discounts and Deferred Origination Fees			December 31, 2012 Carrying Value, Net of Discounts and Deferred Origination Fees			Initial Maturity Date
Junior Participation	$	398,500	$	11,856		$	—		March 2015
Mezzanine Loan	205,000		68,319			66,307			February 2016
Mortgage/Mezzanine Loan	166,710		44,742			44,013			May 2016
Mezzanine Loan	177,000		15,012			15,906			May 2016
Junior Participation	133,000		49,000			49,000			June 2016
Mezzanine Loan	165,000		71,312			70,967			November 2016
Mortgage/Mezzanine Loan(1)	1,109,000		80,983			115,804			March 2017
Mezzanine Loan(2)	521,750		20,954			—			June 2017
Other Loan	15,000		3,500			3,500			September 2021
Mezzanine Loan(3)	90,000		19,926			—			November 2023
Mortgage Loan(4)	—		—			218,068			—
Total fixed rate	$	2,980,960	$	385,604		$	583,565
Junior Participation(5)	$	80,932	$	24,046		$	—		February 2014
Junior Participation(6)	57,750		10,873			10,869			June 2014
Mortgage/Mezzanine Loan	330,000		131,724			131,231			July 2014
Mezzanine Loan	180,000		59,892			59,739			August 2014
Mezzanine Loan(7)	89,956		38,549			34,444			October 2014
Mortgage Loan	—		30,000			—			December 2014
Mezzanine Loan	110,000		49,110			—			September 2015
Mezzanine Loan(8)	92,711		27,662			55,336			December 2015
Mezzanine Loan	775,000		72,823			—			March 2016
Mezzanine Loan(9)	160,000		22,526			7,624			June 2016
Mezzanine Loan	87,300		25,590			34,761			July 2016
Mezzanine Loan(10)	163,500		25,725			—			November 2016
Mezzanine Loan(11)	33,289		11,798			—			December 2016
Mortgage/Mezzanine Loan	55,000		20,553			—			July 2018
Mortgage Loan	—		—			14,745			—
Mezzanine Loan	—		—			37,288			—
Mortgage/Mezzanine Loan	—		—			47,253			—
Total floating rate	$	2,215,438	$	550,871		$	433,290
Total	5,196,398		936,475			1,016,855
Loan loss reserve(12)			(1,000		)	(7,000		)
			$	935,475		$	1,009,855

______________________________________________________________________


(1)	Interest is added to the principal balance for this accrual only loan. In January 2013, we sold 50% of the mezzanine loan for $57.8 million and recognized additional income of $12.9 million, which is included in investment income on the consolidated statements of income.

(2)

In October 2013, we entered into a loan participation agreement in the amount of $41.3 million on a $82.5 million mortgage. As a result of the transfer not meeting the conditions for sale accounting, the portion that was participated out has been recorded in other assets and other liabilities in the accompanying consolidated balance sheet. In addition, as of December 31, 2013, we were committed to fund an additional $20.0 million in connection with this loan.


(3)	In November 2013, we entered into a loan participation agreement in the amount of $5.0 million on a $25.0 million mortgage. As a result of the transfer not meeting the conditions for sale accounting, the portion that was participated out has been recorded in other assets and other liabilities in the consolidated balance sheets.


(4)	In November 2012, we acquired this nonperforming loan with an original balance of $219.0 million subject to interest based on default rate. In connection with the repayment of the loan in May 2013, we recognized additional income of $6.4 million, which is included in investment income on our consolidated statements of income.


(5)	As of December 31, 2013, we were committed to fund an additional $0.9 million in connection with this loan.


(6)	In December 2013, the loan was extended to June 2014.


(7)	As of December 31, 2013, we were committed to fund an additional $11.2 million in connection with this loan.


(8)	We funded $56.3 million at origination. In June 2013, we sold 50% of our interest in the $85.0 million mezzanine loan. Additionally, in December 2013 we closed on an $8.5 million future funding upsize, bringing our total additional committed funding amount to $22.1 million at December 31, 2013.

(9)

As part of the refinancing of the related senior mortgage in June 2013, we originated a $30.0 million mezzanine loan and our previous investment in the amount of $15.0 million, including the $7.4 million participated interest, was repaid in full. Following the refinancing, we entered into a loan participation agreement in the amount of $7.4 million on a $30.0 million mortgage. Due to our continued involvement with the loan, the portion that was participated out has been recorded in other assets and other liabilities in the consolidated balance sheets.


(10)	As of December 31, 2013, we were committed to fund an additional $11.4 million in connection with this loan.


(11)	As of December 31, 2013, we were committed to fund an additional $0.3 million in connection with this loan.


(12)	Loan loss reserves are specifically allocated to investments. Our reserves reflect management's judgment of the probability and severity of losses based on Level 3 data. We cannot be certain that our judgment will prove to be correct or that reserves will be adequate over time to protect against potential future losses.

Preferred Equity Investments

As of December 31, 2013 and 2012, we held the following preferred equity investments with an aggregate weighted average current yield of approximately 10.91% at December 31, 2013 (in thousands):



Type	December 31, 2013 Senior Financing		December 31, 2013 Carrying Value, Net of Discounts and Deferred Origination Fees		December 31, 2012 Carrying Value, Net of Discounts and Deferred Origination Fees		Initial Mandatory Redemption
Preferred equity(1)	$	525,000	$	115,198	$	99,768	July 2015
Preferred equity(1)(2)	55,747		25,896		18,925		April 2016
Preferred equity(1)	926,260		218,330		209,959		July 2016
Preferred equity	70,000		9,940		9,927		November 2017
	$	1,577,007	$	369,364	$	338,579

______________________________________________________________________


(1)	The difference between the pay and accrual rates is included as an addition to the principal balance outstanding.


(2)	As of December 31, 2013, the loan is fully funded.

The following table is a rollforward of our total loan loss reserves at December 31, 2013, 2012 and 2011 (in thousands):



	December 31,
	2013			2012			2011
Balance at beginning of year	$	7,000		$	50,175		$	61,361
Expensed	—			3,000			10,875
Recoveries	—			(2,436		)	(4,370		)
Charge-offs and reclassifications	(6,000		)	(43,739		)	(17,691		)
Balance at end of period	$	1,000		$	7,000		$	50,175

At December 31, 2013, 2012 and 2011, all debt and preferred equity investments were performing in accordance with the terms of the loan agreements.

We have determined that we have one portfolio segment of financing receivables at December 31, 2013 and 2012 comprising commercial real estate which is primarily recorded in debt and preferred equity investments. Included in other assets is an additional amount of financing receivables totaling approximately $172.8 million and $121.3 million at December 31, 2013 and 2012, respectively. No financing receivables were 90 days past due at December 31, 2013.

The following table presents impaired loans, which may include non-accrual loans, as of December 31, 2013 and 2012, respectively (in thousands):



	December 31, 2013						December 31, 2012
	Unpaid Principal Balance		Recorded Investment		Allowance Allocated		Unpaid Principal Balance		Recorded Investment		Allowance Allocated
With no related allowance recorded:
Commercial real estate	$	—	$	—	$	—	$	—	$	—	$	—
With an allowance recorded:
Commercial real estate	10,750		10,750		1,000		10,750		10,750		7,000
Total	$	10,750	$	10,750	$	1,000	$	10,750	$	10,750	$	7,000

The following table presents the average recorded investment in impaired loans, which may include non-accrual loans and the related investment and preferred equity income recognized during the years ended December 31, 2013 and 2012, respectively (in thousands):



	Year Ended December 31,
	2013		2012
Average recorded investment in impaired loans	$	10,881	$	50,231
Investment income recognized	7,117		3,712

On an ongoing basis, we monitor the credit quality of our financing receivables based on payment activity. We assess credit quality indicators based on the underlying collateral.

- Definition

The entire disclosure for investments in certain debt and equity securities.

+ References + Details

Investment in Unconsolidated Joint Ventures

12 Months Ended

Dec. 31, 2013

Equity Method Investments and Joint Ventures [Abstract]

Investment in Unconsolidated Joint Ventures

Investments in Unconsolidated Joint Ventures

We have investments in several real estate joint ventures with various partners, including SITQ, Canada Pension Plan Investment Board, or CPPIB, Prudential Real Estate Investors, or Prudential, Onyx Equities, or Onyx, The Witkoff Group, or Witkoff, Credit Suisse Securities (USA) LLC, or Credit Suisse, Jeff Sutton, or Sutton, Harel Insurance and Finance, or Harel, Louis Cappelli, or Cappelli, The Moinian Group, or Moinian, Vornado Realty Trust (NYSE: VNO), or Vornado, Blackstone Real Estate Partners VII, or Blackstone, Plaza Global Real Estate Partners LP, or Plaza, Angelo Gordon Real Estate Inc., or AG, as well as private investors. All the investments below are voting interest entities, except for 388 and 390 Greenwich Street, 650 Fifth Avenue, 33 Beekman, 3 Columbus Circle and 180/182 Broadway which are VIEs in which we are not the primary beneficiary. Our net equity investment in these five VIEs was $310.7 million and $117.7 million at December 31, 2013 and 2012, respectively. As we do not control the joint ventures listed below, we account for them under the equity method of accounting.

The table below provides general information on each of our joint ventures as of December 31, 2013 (amounts in thousands):



Property	Partner	Ownership Interest	Economic Interest	Square Feet	Acquisition Date	Acquisition Price(1)
100 Park Avenue	Prudential	49.90%	49.90%	834	January 2000	$	95,800
21 West 34th Street	Sutton	50.00%	50.00%	30	July 2005	22,400
1604-1610 Broadway(2)	Onyx	70.00%	70.00%	30	November 2005	4,400
717 Fifth Avenue(3)	Sutton/Private Investor	10.92%	10.92%	120	September 2006	251,900
800 Third Avenue	Private Investors	42.95%	42.95%	526	December 2006	285,000
1745 Broadway	Witkoff/SITQ/Lehman Bros.	32.26%	32.26%	674	April 2007	520,000
1 and 2 Jericho Plaza	Onyx/Credit Suisse	20.26%	20.26%	640	April 2007	210,000
The Meadows	Onyx	50.00%	50.00%	582	September 2007	111,500
388 and 390 Greenwich Street(4)	SITQ	50.60%	50.60%	2,600	December 2007	1,575,000
180/182 Broadway(5)	Harel/Sutton	25.50%	25.50%	71	February 2008	43,600
600 Lexington Avenue	CPPIB	55.00%	55.00%	304	May 2010	193,000
11 West 34th Street(6)	Private Investor/Sutton	30.00%	30.00%	17	December 2010	10,800
7 Renaissance	Cappelli	50.00%	50.00%	37	December 2010	4,000
3 Columbus Circle(7)	Moinian	48.90%	48.90%	769	January 2011	500,000
280 Park Avenue(8)	Vornado	50.00%	49.50%	1,237	March 2011	400,000
1552-1560 Broadway(9)	Sutton	50.00%	50.00%	49	August 2011	136,550
747 Madison Avenue(10)	Harel/Sutton	33.33%	33.33%	10	September 2011	66,250
724 Fifth Avenue	Sutton	50.00%	50.00%	65	January 2012	223,000
10 East 53rd Street	CPPIB	55.00%	55.00%	390	February 2012	252,500
33 Beekman(11)	Harel/Naftali	45.90%	45.90%	145	August 2012	31,000
West Coast office portfolio(12)	Blackstone	42.02%	43.74%	4,474	September 2012	880,103
521 Fifth Avenue(13)	Plaza	50.50%	50.50%	460	November 2012	315,000
21 East 66th Street(14)	Private Investors	32.28%	32.28%	17	December 2012	75,000
315 West 36th Street	Private Investors	35.50%	35.50%	148	December 2012	45,000
Herald Center(15)	AG	40.00%	40.00%	365	January 2013	50,000
650 Fifth Avenue(16)	Sutton	50.00%	50.00%	32	November 2013	—

______________________________________________________________________


(1)	Acquisition price represents the actual or implied gross purchase price for the joint venture.


(2)	In March 2013, Sutton conveyed his interest in this property to us. In January 2014, our ground lease position was terminated.

(3)

In June 2012, this retail condominium was recapitalized. The recapitalization triggered a promote to our partner, which resulted in a reduction of our economic interest. In addition, we sold 50% of our remaining interest at a property valuation of $617.6 million. We recognized $67.9 million of additional cash income, equivalent to profit, due to the distribution of refinancing proceeds and a gain on sale of $3.0 million, which is net of a $1.0 million employee compensation award, accrued in connection with the realization of this investment gain as a bonus to certain employees that were instrumental in realizing the gain on this sale.


(4)	The property is subject to a triple-net lease arrangement with a single tenant, which expires in 2020. In December 2013, the joint venture signed an agreement extending the lease through December 31, 2035. The agreement includes an option for the tenant to acquire the property for a specified price during the period from December 1, 2017 through December 31, 2020.


(5)	In June 2013, the joint venture completed its redevelopment project. In July 2013, the lease for Pace University, or Pace, its primary tenant, commenced.


(6)	The property is subject to a long-term net lease arrangement.


(7)	As a result of the sale of a condominium interest in September 2012, Young & Rubicam, Inc., or Y&R, owns a portion of the property, generally floors three through eight referred to as Y&R units. Because the joint venture has an option to repurchase the Y&R units, no gain was recognized on this sale.

(8)

In March 2011, we contributed our debt investment with a carrying value of $286.6 million to a newly formed joint venture in which we hold a 50% interest. We realized $38.7 million of additional income upon the contribution. This income is included in investment income in the consolidated statements of income. The joint venture paid us approximately $111.3 million and also assumed $30.0 million of related floating rate financing which matures in June 2016. In May 2011, this joint venture took control of the underlying property as part of a recapitalization transaction which valued the investment at approximately $1.1 billion.

(9)

In connection with this acquisition, the joint venture also acquired a long-term leasehold interest in the retail space and certain other spaces at 1560 Broadway, which is adjacent to 1552 Broadway. The purchase price relates only to the purchase of the 1552 Broadway interest which comprises 13,045 square feet. In 2012, we, along with Sutton, acquired the property at 155 West 46th Street, which is adjacent to 1552 and 1560 Broadway, and sold it to the fee owner of 1560 Broadway.


(10)	The joint venture owns 100% interest as tenant-in-common in 30 East 65th Street Corporation and the related proprietary lease of three cooperative apartment units in the building. In October 2013, the joint ventured acquired two additional cooperative apartment units in the building for $7.5 million.


(11)	The joint venture acquired the fee interest in the property and will develop an approximately 30 story building for student housing. Upon completion of the development, the joint venture will convey a long-term ground lease condominium interest in the building to Pace.

(12)

In September 2012, the Company, together with an affiliate of Blackstone, Gramercy and Square Mile Capital Management LLC, or Square Mile, formed a joint venture to recapitalize a 31-property, 4.5-million-square-foot West Coast office portfolio. The joint venture extended the $678.8 million mortgage secured by the portfolio for a term of 2 years with a 1-year extension option. In addition, the joint venture entered into a new $68.0 million mezzanine loan for a term of 2 years. Prior to the recapitalization in September 2012, the Company held $26.7 million in mezzanine and preferred equity positions in the entity that owned the portfolio. Following the recapitalization, Blackstone became the majority owner of the joint venture, with Equity Office Properties, a Blackstone affiliate, being responsible for the portfolio’s management and leasing. In February 2013, we acquired Gramercy’s 10.73% interest in the joint venture and simultaneously sold 20.78% of the newly acquired interest to Square Mile Capital Management LLC or Square Mile. During the year ended December 31, 2013, we acquired Square Mile’s 6.00% interest in the joint venture and the joint venture sold three of the properties for an aggregate of $224.3 million, on which we recognized a gain of approximately $2.1 million. The proceeds from the sale of these properties were used primarily to repay $194.5 million of the mortgage and $20.5 million of the mezzanine loan.

(13)

In November 2012, we sold our 49.5% partnership interest in 521 Fifth Avenue to Plaza Global Real Estate Partners for a gross valuation price of $315.0 million for this property. We recognized a gain of $19.4 million on the sale which is net of a $1.0 million employee compensation award, accrued in connection with the realization of this investment gain as a bonus to certain employees that were instrumental in realizing the gain on this sale. We also refinanced the existing $150.0 million loan with a $170.0 million 7-year mortgage loan which bears interest at 220 basis points over LIBOR. Following the sale, we deconsolidated the entity effective November 30, 2012 and have accounted our investment under the equity method because of lack of control. During the year ended December 31, 2013, we recognized additional post closing costs of $2.8 million as an adjustment to the gain.


(14)	We hold a 32.28% interest in 3 retail and 2 residential units at the property and a 16.14% in 4 residential units at the property.


(15)	The joint venture owned a preferred equity interest in an entity that holds the interest in a mixed commercial use property located in Manhattan. The preferred equity bore interest at a rate of 8.75% per annum through its redemption date in December 2013.

(16)

The joint venture owns a long-term leasehold interest in the retail space at 650 Fifth Avenue. In connection with the ground lease obligation, SLG provided a performance guaranty and Sutton executed a contribution agreement to reflect its pro rata obligation. In an event the property is converted into a condominium unit and the landlord elects the purchase option, the joint venture shall be obligated to acquire the unit at the then fair value. In November 2013, the joint venture signed an agreement to buy out the lease of retailer Juicy Couture for $51.0 million as part of its plan to redevelop and reposition the property. Under this agreement, the tenant shall terminate the lease no later than April 2014.

In December 2013, we sold our 50.0% partnership interest in the joint venture which holds 27-29 West 34th Street to Sutton at an implied gross valuation of $70.1 million, inclusive of the $52.8 million mortgage encumbering the property. We recognized a gain of $7.6 million on the sale of our investment which is net of a $1.5 million employee compensation award, accrued in connection with the realization of this investment gain as a bonus to certain employees that were instrumental in realizing the gain on this sale. Simultaneously, we, along with Sutton, also formed a new joint venture and retained the air rights at this property.

In July 2012, we, along with our joint venture partner, sold One Court Square for $481.1 million, which included the assumption by the purchaser of $315.0 million of existing debt. We recognized a gain of $1.0 million on the sale of this property.

In April 2012, we, along with our joint venture partner, Jeff Sutton, sold the property located at 379 Broadway for $48.5 million, inclusive of the fee position which was acquired for $13.5 million. We recognized a gain of $6.5 million on the sale of this property.

In March 2012, we, along with our joint venture partner, Jeff Sutton, sold the property located at 141 Fifth Avenue for $46.0 million. We recognized a gain of $7.3 million on sale of this investment which is net of a $1.5 million employee compensation award, accrued in connection with the realization of this investment gain as a bonus to certain employees that were instrumental in realizing the gain on this sale.

In November 2011, we acquired the remaining 50% interest in the joint venture which held an investment in a debt position on the property located at 450 West 33rd Street. As we own 100% of this investment, we have reclassified it and recorded it as a debt investment. See Note 5, "Debt and Preferred Equity Investments."

In August 2011, we sold our 10% interest in the joint venture that held 1551-1555 Broadway for approximately $9.7 million. We recognized a gain of $4.0 million on the sale.

We generally finance our joint ventures with non-recourse debt. However, in certain cases we have provided guarantees or master leases for tenant space. These guarantees and master leases terminate upon the satisfaction of specified circumstances or repayment of the underlying loans. The first mortgage notes and other loans payable collateralized by the respective joint venture properties and assignment of leases at December 31, 2013 and 2012, respectively, are as follows (amounts in thousands):



Property	Maturity Date	Interest Rate(1)		December 31, 2013		December 31, 2012
100 Park Avenue	September 2014	6.64	%	$	209,786	$	212,287
7 Renaissance	December 2015	10.00	%	1,276		856
11 West 34th Street	January 2016	4.82	%	17,205		17,491
280 Park Avenue	June 2016	6.57	%	706,886		710,000
21 West 34th Street	December 2016	5.76	%	100,000		100,000
1745 Broadway	January 2017	5.68	%	340,000		340,000
1 and 2 Jericho Plaza	May 2017	5.65	%	163,750		163,750
800 Third Avenue	August 2017	6.00	%	20,910		20,910
388 and 390 Greenwich Street⁽²⁾	December 2017	3.20	%	996,082		996,082
315 West 36th Street	December 2017	3.16	%	25,000		25,000
717 Fifth Avenue⁽³⁾	July 2022	4.45	%	300,000		300,000
21 East 66th Street⁽⁴⁾	April 2023	4.10	%	12,000		12,000
717 Fifth Avenue⁽³⁾	July 2024	9.00	%	304,000		294,509
1604-1610 Broadway⁽⁵⁾	—	5.66	%	27,000		27,000
Total fixed rate debt				$	3,223,895	$	3,219,885
West Coast office portfolio⁽⁶⁾	September 2014	3.93	%	526,290		745,025
747 Madison Avenue	October 2014	2.97	%	33,125		33,125
180/182 Broadway⁽⁷⁾	December 2014	2.94	%	89,893		71,524
The Meadows⁽⁸⁾	September 2015	7.75	%	67,350		57,000
3 Columbus Circle⁽⁹⁾	April 2016	2.38	%	239,233		247,253
1552 Broadway⁽¹⁰⁾	April 2016	3.48	%	158,690		113,869
Other loan payable	June 2016	1.09	%	30,000		30,000
724 Fifth Avenue	January 2017	2.54	%	120,000		120,000
10 East 53rd Street	February 2017	2.69	%	125,000		125,000
33 Beekman⁽¹¹⁾	August 2017	2.94	%	18,362		18,362
600 Lexington Avenue	October 2017	2.28	%	120,616		124,384
388 and 390 Greenwich Street⁽²⁾	December 2017	1.34	%	142,297		142,297
521 Fifth Avenue	November 2019	2.39	%	170,000		170,000
21 East 66th Street	June 2033	2.88	%	1,959		2,033
27-29 West 34th Street⁽¹²⁾				—		53,375
16 Court Street⁽¹³⁾				—		84,916
Total floating rate debt				$	1,842,815	$	2,138,163
Total joint venture mortgages and other loans payable				$	5,066,710	$	5,358,048

_________________________________


(1)	Effective weighted average interest rate for the year ended December 31, 2013, taking into account interest rate hedges in effect during the period.

(2)

These loans are comprised of a $576.0 million mortgage and a $562.4 million mezzanine loan, both of which are fixed rate loans, except for $72.0 million of the mortgage and $70.3 million of the mezzanine loan which are floating. Up to $200.0 million of the mezzanine loan, secured indirectly by these properties, is recourse to us. We believe it is unlikely that we will be required to perform under this guarantee.


(3)	In June 2012, the joint venture replaced the $245.0 million floating rate mortgage loan, which bore interest at 275 basis points over LIBOR and was due to mature in September 2012, with a $300.0 million fixed rate mortgage loan and $290.0 million mezzanine loan which is subject to accretion based on the difference between contractual interest rate and contractual pay rate.


(4)	In April 2013, the loan was refinanced at par and its maturity was extended to April 2023.


(5)	This loan went into default in November 2009 due to the non-payment of debt service.


(6)	As a result of the sale of three of its properties, the joint venture paid down $194.5 million of its mortgage and $20.5 million of its mezzanine loan.


(7)	This loan has a committed amount of $90.0 million. In November 2013, this loan was extended by one-year, subject to principal amortization through the maturity date.

(8)

As a result of the refinancing and restructuring in August 2012, we replaced the previous mortgage with a $60.0 million, three-year mortgage, of which $3.0 million was unfunded as of December 31, 2012, and recognized additional income of $10.8 million due to the repayment of the previous mortgage at a discount. In December 2013, the joint venture upsized the original mortgage with a maximum amount of $60.0 million to $67.4 million. All other terms of the loan remained the same.

(9)

This loan has a committed amount of $260.0 million. The joint venture has the ability to increase the mortgage by $40.0 million based on meeting certain performance hurdles. In connection with this obligation, we executed a master lease agreement and our joint venture partner executed a contribution agreement to reflect its pro rata obligation under the master lease. The lien on the mortgage and the master lease excludes the condominium interest owned by Y&R. See Note 7 of prior table.


(10)	In April 2013, we refinanced the previous $119.6 million mortgage with a $200.0 million three-year loan construction financing facility comprised of a $170.0 million mortgage loan and a $30.0 million mezzanine loan. The facility has two one-year extension options. As of December 31, 2013, $37.6 million of the mortgage loan and $3.7 million of the mezzanine loan remained unfunded.


(11)	This loan has a committed amount of $75.0 million, which is recourse to us. Our partner has indemnified us for its pro rata share of the recourse guarantee. A portion of the guarantee terminates upon the joint venture reaching certain milestones. We believe it is unlikely that we will be required to perform under this guarantee.


(12)	In May 2013, this loan was refinanced and its maturity was extended to May 2018. In December 2013, we sold our interest in the joint venture, inclusive of our share in the joint venture debt.


(13)	In April 2013, we acquired interests from our joint venture partner, CIF, and have consolidated the entity due to our controlling interest.

We act as the operating partner and day-to-day manager for all our joint ventures, except for 800 Third Avenue, 1 and 2 Jericho Plaza, 280 Park Avenue, 3 Columbus Circle, West Coast portfolio and The Meadows. We are entitled to receive fees for providing management, leasing, construction supervision and asset management services to our joint ventures. We earned approximately $4.7 million, $7.9 million and $8.6 million from these services for the years ended December 31, 2013, 2012 and 2011, respectively. In addition, we have the ability to earn incentive fees based on the ultimate financial performance of certain of the joint venture properties.

The combined balance sheets for the unconsolidated joint ventures, at December 31, 2013 and 2012, are as follows (in thousands):



	December 31,
	2013		2012
Assets
Commercial real estate property, net	$	6,846,021	$	6,910,991
Other assets	827,282		728,113
Total assets	$	7,673,303	$	7,639,104
Liabilities and members' equity
Mortgages and other loans payable	$	5,066,710	$	5,358,048
Other liabilities	596,960		406,929
Members' equity	2,009,633		1,874,127
Total liabilities and members' equity	$	7,673,303	$	7,639,104
Company's investments in unconsolidated joint ventures	$	1,113,218	$	1,032,243

The combined statements of income for the unconsolidated joint ventures, from acquisition date through the years ended December 31, 2013, 2012 and 2011 are as follows (in thousands):



	Years Ended December 31,
	2013		2012			2011
Total revenues	$	628,649	$	511,157		$	480,935
Operating expenses	114,633		80,722			71,830
Ground rent	2,863		2,975			3,683
Real estate taxes	71,755		53,613			51,511
Interest expense, net of interest income	225,765		221,476			210,489
Amortization of deferred financing costs	17,092		9,739			12,911
Transaction related costs	808		2,044			2,665
Depreciation and amortization	192,504		166,336			137,070
Total expenses	625,420		536,905			490,159
Gain on early extinguishment of debt	—		21,421			—
Net income (loss) before gain on sale	$	3,229	$	(4,327	)	$	(9,224	)
Company's equity in net income from unconsolidated joint ventures	$	9,921	$	76,418		$	1,583

Equity in net income from unconsolidated joint ventures for the year ended December 31, 2012 includes $67.9 million of additional income recognized in June 2012 as a result of the distribution of the recapitalization of 717 Fifth Avenue and $10.8 million of additional income recognized in August 2012 as a result of the repayment of the Meadows' previous mortgage at a discount, as further discussed in the prior tables.

Deferred Costs

12 Months Ended

Dec. 31, 2013

Deferred Costs [Abstract]

Deferred Costs

Deferred costs at December 31, 2013 and 2012 consisted of the following (in thousands):



	December 31,
	2013			2012
Deferred leasing	$	326,379		$	285,931
Deferred financing	157,088			152,596
	483,467			438,527
Less accumulated amortization	(216,409		)	(177,382		)
Deferred costs, net	$	267,058		$	261,145

Mortgages and Other Loans Payable

12 Months Ended

Dec. 31, 2013

Mortgages and Other Loans Payable

Mortgages and Other Loans Payable

The first mortgages and other loans payable collateralized by the respective properties and assignment of leases at December 31, 2013 and 2012, respectively, were as follows (amounts in thousands):



Property	Maturity Date	Interest Rate(1)		December 31, 2013		December 31, 2012
609 Partners, LLC(2)	July 2014	5.00	%	$	23	$	23
125 Park Avenue	October 2014	5.75	%	146,250		146,250
711 Third Avenue	June 2015	4.99	%	120,000		120,000
625 Madison Avenue	November 2015	7.27	%	120,830		125,603
500 West Putnam	January 2016	5.52	%	23,529		24,060
420 Lexington Avenue	September 2016	7.15	%	182,641		184,992
Landmark Square	December 2016	4.00	%	82,909		84,486
485 Lexington Avenue	February 2017	5.61	%	450,000		450,000
120 West 45th Street	February 2017	6.12	%	170,000		170,000
762 Madison Avenue	February 2017	3.75	%	8,211		8,371
2 Herald Square	April 2017	5.36	%	191,250		191,250
885 Third Avenue	July 2017	6.26	%	267,650		267,650
Other loan payable(3)	September 2019	8.00	%	50,000		50,000
One Madison Avenue	May 2020	5.91	%	587,336		607,678
100 Church	July 2022	4.68	%	230,000		230,000
919 Third Avenue(4)	June 2023	5.12	%	500,000		500,000
400 East 57th Street	February 2024	4.13	%	70,000		70,000
400 East 58th Street	February 2024	4.13	%	30,000		30,000
1515 Broadway(5)	March 2025	3.93	%	900,000		—
300 Main Street(6)	—	—		—		11,500
220 East 42nd Street(7)	—	—		—		185,906
Total fixed rate debt				$	4,130,629	$	3,457,769
Master repurchase(8)	December 2014	3.28	%	91,000		116,667
16 Court Street(9)	April 2016	3.22	%	79,243		—
180 Maiden Lane(10)	November 2016	2.39	%	262,706		271,215
248-252 Bedford Avenue	March 2018	2.44	%	22,000		—
220 East 42nd Street(7)	October 2020	4.05	%	275,000		—
1515 Broadway(5)	—	—		—		769,813
Total floating rate debt				$	729,949	$	1,157,695
Total mortgages and other loans payable				$	4,860,578	$	4,615,464

_________________________________


(1)	Effective weighted average interest rate for the year ended December 31, 2013, taking into account interest rate hedges in effect during the period.


(2)	As part of an acquisition, the Operating Partnership issued 63.9 million units of its 5.0% Series E preferred units, or the Series E units, with a liquidation preference of $1.00 per unit. As of December 31, 2013, 22,658 Series E units remaining outstanding.


(3)	This loan is secured by a portion of a preferred equity investment.


(4)	We own a 51.0% controlling interest in the joint venture that is the borrower on this loan. This loan is non-recourse to us.


(5)	In April 2012, we refinanced the previous $447.2 million mortgage with a $775.0 million seven-year mortgage. In February 2013, we refinanced the previous $775.0 million mortgage with a new $900.0 million 12-year mortgage and realized a net loss on early extinguishment of debt of approximately $18.5 million, including a prepayment penalty of $7.6 million.


(6)	The property was sold in September 2013.


(7)	In October 2013, we closed on a $275.0 million seven-year mortgage. This new mortgage replaced the $185.9 million previous mortgage that was repaid in August 2013.

(8)

In December 2013, we entered into a new Master Repurchase Agreement, or MRA, with a maximum facility capacity of $300.0 million, under which we agreed to sell certain debt investments in exchange for cash with a simultaneous agreement to repurchase the same debt investments at a certain date or on demand. This new MRA, which bears interest ranging from 250 and 325 basis points over one-month LIBOR depending on the pledged collateral, replaced the previous $175.0 million MRA facility, which bore interest based on one-month LIBOR plus 300 basis points basis points through September 2013 and 350 basis points through November 2013.


(9)	In April 2013, we acquired interests from our joint venture partner, CIF, and have consolidated the entity due to our controlling interest. In December 2013, we repaid $5.0 million of the principal balance and modified and extended the terms of the existing mortgage. The modified mortgage bears interest based on one-month LIBOR plus 350 basis points with a floor of 50 basis points.


(10)	In connection with this consolidated joint venture obligation, we executed a master lease agreement. Our partner has executed a contribution agreement to reflect its pro rata share of the obligation under the master lease.

At December 31, 2013 and 2012, the gross book value of the properties and debt and preferred equity investments collateralizing the mortgages and other loans payable was approximately $8.0 billion and $7.6 billion, respectively.

Corporate Indebtedness

12 Months Ended

Dec. 31, 2013

Debt Disclosure [Abstract]

Corporate Indebtedness

2012 Credit Facility

In November 2012, we entered into a $1.6 billion credit facility, or the 2012 credit facility, which refinanced, extended and upsized the previous 2011 revolving credit facility. The 2012 credit facility consists of a $1.2 billion revolving credit facility, or the revolving credit facility, and a $400.0 million term loan, or the term loan facility. The revolving credit facility matures in March 2017 and includes two six-month extension options, subject to certain conditions and the payment of an extension fee of 10 basis points for each such extension. We also have an option, subject to customary conditions, without the consent of existing lenders, to increase the capacity under the revolving credit facility to $1.5 billion at any time prior to the maturity date for the revolving credit facility, by obtaining additional commitments from our existing lenders and other financial institutions. The term loan facility matures on March 30, 2018.

The 2012 credit facility bears interest at a spread over LIBOR ranging from (i) 100 basis points to 175 basis points for loans under the revolving credit facility and (ii) 115 basis points to 200 basis points for loans under the term loan facility, in each case based on the credit rating assigned to the senior unsecured long term indebtedness of ROP. At December 31, 2013, the applicable spread was 145 basis points for revolving credit facility and 165 basis points for the term loan facility. At December 31, 2013, the effective interest rate was 1.62% for the revolving credit facility and 2.00% for the term loan facility. We are required to pay quarterly in arrears a 15 to 35 basis point facility fee on the total commitments under the revolving credit facility based on the credit rating assigned to the senior unsecured long term indebtedness of ROP. As of December 31, 2013, the facility fee was 30 basis points. At December 31, 2013, we had approximately $74.6 million of outstanding letters of credit, $220.0 million drawn under the revolving credit facility and $400.0 million outstanding under the term loan facility, with total undrawn capacity of approximately $0.9 billion under the 2012 credit facility.

The Company, ROP and the Operating Partnership are all borrowers jointly and severally obligated under the 2012 credit facility. No other subsidiary of ours is an obligor under the 2012 credit facility.

The 2012 credit facility includes certain restrictions and covenants (see Restrictive Covenants below).

2011 Revolving Credit Facility

The 2012 credit facility replaced our $1.5 billion revolving credit facility, or the 2011 revolving credit facility, which was terminated concurrently with the entering into the 2012 credit facility. The 2011 revolving credit facility bore interest at a spread over LIBOR ranging from 100 basis points to 185 basis points, based on the credit rating assigned to the senior unsecured long-term indebtedness of ROP, and required to pay quarterly in arrears a 17.5 to 45 basis point facility fee on the total commitments under the 2011 revolving credit facility. The 2011 revolving credit facility included certain restrictions and covenants and, as of the time of the termination of the 2011 revolving credit facility and as of November 2012, we were in compliance with all such restrictions and covenants.

2007 Revolving Credit Facility

The 2011 revolving credit facility replaced our $1.5 billion revolving credit facility, or the 2007 revolving credit facility, which was terminated concurrently with the entering into the 2011 revolving credit facility. The 2007 revolving credit facility bore interest at a spread over the 30-day LIBOR ranging from 70 basis points to 110 basis points, based on our leverage ratio, and required a 12.5 to 20 basis point fee, also based on our leverage ratio, on the unused balance payable annually in arrears. The 2007 revolving credit facility included certain restrictions and covenants and, as of the time of the termination of the 2007 revolving credit facility and as of October 31, 2011, we were in compliance with all such restrictions and covenants.

Senior Unsecured Notes

The following table sets forth our senior unsecured notes and other related disclosures as of December 31, 2013 and 2012, respectively by scheduled maturity date (amounts in thousands):



Issuance	December 31, 2013 Unpaid Principal Balance		December 31, 2013 Accreted Balance		December 31, 2012 Accreted Balance		Coupon Rate(1)		Effective Rate		Term (in Years)	Maturity Date
August 13, 2004(2)(3)	$	75,898	$	75,898	$	75,898	5.88	%	5.88	%	10	August 15, 2014
March 31, 2006(2)(3)	255,308		255,206		255,165		6.00	%	6.00	%	10	March 31, 2016
October 12, 2010(4)	345,000		297,837		287,373		3.00	%	3.00	%	7	October 15, 2017
August 5, 2011(5)	250,000		249,681		249,620		5.00	%	5.00	%	7	August 15, 2018
March 16, 2010(5)	250,000		250,000		250,000		7.75	%	7.75	%	10	March 15, 2020
November 15, 2012(5)	200,000		200,000		200,000		4.50	%	4.50	%	10	December 1, 2022
June 27, 2005(2)(6)	7		7		7		4.00	%	4.00	%	20	June 15, 2025
March 26, 2007(7)	10,701		10,701		16,893		3.00	%	3.00	%	20	March 30, 2027
	$	1,386,914	$	1,339,330	$	1,334,956

_________________________________


(1)	Interest on the senior unsecured notes is payable semi-annually with principal and unpaid interest due on the scheduled maturity dates.


(2)	Issued by ROP.


(3)	On December 27, 2012, we repurchased $42.4 million of aggregate principal amount of these notes, consisting of $22.7 million of the 5.875% Notes and $19.7 million of the 6.0% Notes, for a total consideration of $46.4 million and realized a net loss on early extinguishment of debt of approximately $3.8 million.

(4)

In October 2010, the Operating Partnership issued $345.0 million of these exchangeable notes. Interest on these notes is payable semi-annually on April 15 and October 15. The notes had an initial exchange rate representing an exchange price that was set at a 30.0% premium to the last reported sale price of SL Green's common stock on October 6, 2010, or $85.81. The initial exchange rate is subject to adjustment under certain circumstances. The current exchange rate is 11.7153 shares of SL Green's common stock per $1,000 principal amount of these notes. The notes are senior unsecured obligations of the Operating Partnership and are exchangeable upon the occurrence of specified events and during the period beginning on the twenty-second scheduled trading day prior to the maturity date and ending on the second business day prior to the maturity date, into cash or a combination of cash and shares of SL Green's common stock, if any, at our option. The notes are guaranteed by ROP. On the issuance date, $78.3 million of the debt balance was recorded in equity. As of December 31, 2013, approximately $47.2 million remained to be amortized into the debt balance.


(5)	Issued by the Company, the Operating Partnership and ROP, as co-obligors.

(6)

Exchangeable senior debentures which are currently callable at par. In addition, the debentures can be put to ROP, at the option of the holder at par plus accrued and unpaid interest, on June 15, 2015 and 2020 and upon the occurrence of certain change of control transactions. As a result of the acquisition of all outstanding shares of common stock of Reckson, or the Reckson Merger, the adjusted exchange rate for the debentures is 7.7461 shares of SL Green's common stock per $1,000 of principal amount of debentures and the adjusted reference dividend for the debentures is $1.3491. During the year ended December 31, 2012, we repurchased $650,000 of these bonds at par.

(7)

In March 2007, the Operating Partnership issued $750.0 million of these exchangeable notes. Interest on these notes is payable semi-annually on March 30 and September 30. The notes have an initial exchange rate representing an exchange price that was set at a 25.0% premium to the last reported sale price of the Company's common stock on March 20, 2007, or $173.30. The initial exchange rate is subject to adjustment under certain circumstances. The notes are senior unsecured obligations of the Operating Partnership and are exchangeable upon the occurrence of specified events and during the period beginning on the twenty-second scheduled trading day prior to the maturity date and ending on the second business day prior to the maturity date, into cash or a combination of cash and shares of SL Green's common stock, if any, at our option. The notes are currently redeemable at the Operating Partnership’s option. The Operating Partnership may be required to repurchase the notes on March 30, 2017 and 2022, and upon the occurrence of certain designated events. On March 30, 2012, we repurchased $102.2 million of aggregate principal amount of the exchangeable notes pursuant to a mandatory offer to repurchase the notes. On the issuance date, $66.6 million was recorded in equity and was fully amortized into the debt balance as of March 31, 2012. During the year ended December 31, 2013, we repurchased $6.2 million of aggregate principal amount of exchangeable notes at approximately at par.

Restrictive Covenants

The terms of the 2012 credit facility and certain of our senior unsecured notes include certain restrictions and covenants which may limit, among other things, our ability to pay dividends, make certain types of investments, incur additional indebtedness, incur liens and enter into negative pledge agreements and dispose of assets, and which require compliance with financial ratios relating to the minimum amount of tangible net worth, a maximum ratio of total indebtedness to total asset value, a minimum ratio of EBITDA to fixed charges, a maximum ratio of secured indebtedness to total asset value and a maximum ratio of unsecured indebtedness to unencumbered asset value. The dividend restriction referred to above provides that, we will not during any time when a default is continuing, make distributions with respect to common stock or other equity interests, except to enable the Company to continue to qualify as a REIT for Federal income tax purposes. As of December 31, 2013 and 2012, we were in compliance with all such covenants.

Junior Subordinate Deferrable Interest Debentures

In June 2005, the Company and the Operating Partnership issued $100.0 million in unsecured trust preferred securities through a newly formed trust, SL Green Capital Trust I, or the Trust, which is a wholly-owned subsidiary of the Operating Partnership. The securities mature in 2035 and bear interest at a fixed rate of 5.61% for the first ten years ending July 2015. Thereafter, the interest rate will float at three-month LIBOR plus 1.25%. Interest payments may be deferred for a period of up to eight consecutive quarters if the Operating Partnership exercises its right to defer such payments. The Trust preferred securities are redeemable at the option of the Operating Partnership, in whole or in part, with no prepayment premium. We do not consolidate the Trust even though it is a variable interest entity as we are not the primary beneficiary. Because the Trust is not consolidated, we have recorded the debt on our consolidated balance sheets and the related payments are classified as interest expense.

Principal Maturities

Combined aggregate principal maturities of mortgages and other loans payable, 2012 revolving credit facility, trust preferred securities, senior unsecured notes and our share of joint venture debt as of December 31, 2013, including as-of-right extension options, were as follows (in thousands):



	Scheduled Amortization		Principal Repayments		Revolving Credit Facility		Trust Preferred Securities		Tern Loan and Senior Unsecured Notes		Total		Joint Venture Debt
2014	$	43,976	$	237,273	$	—	$	—	$	75,898	$	357,147	$	398,312
2015	47,312		229,537		—		—		7		276,856		45,332
2016	55,938		594,017		—		—		255,308		905,263		604,510
2017	61,213		1,086,579		220,000		—		355,701		1,723,493		930,338
2018	64,205		21,363		—		—		650,000		735,568		28
Thereafter	247,407		2,171,758		—		100,000		450,000		2,969,165		173,944
	$	520,051	$	4,340,527	$	220,000	$	100,000	$	1,786,914	$	6,967,492	$	2,152,464

Consolidated interest expense, excluding capitalized interest, was comprised of the following (in thousands):



	Years Ended December 31,
	2013			2012			2011
Interest expense	$	332,276		$	331,516		$	287,252
Interest income	(2,061		)	(1,619		)	(2,004		)
Interest expense, net	$	330,215		$	329,897		$	285,248
Interest capitalized	$	11,475		$	12,218		$	5,123

Related Party Transactions

12 Months Ended

Dec. 31, 2013

Related Party Transactions

Cleaning/ Security/ Messenger and Restoration Services

Through Alliance Building Services, or Alliance, First Quality Maintenance, L.P., or First Quality, provides cleaning, extermination and related services, Classic Security LLC provides security services, Bright Star Couriers LLC provides messenger services, and Onyx Restoration Works provides restoration services with respect to certain properties owned by us. Alliance is partially owned by Gary Green, a son of Stephen L. Green, the chairman of SL Green's board of directors. In addition, First Quality has the non-exclusive opportunity to provide cleaning and related services to individual tenants at our properties on a basis separately negotiated with any tenant seeking such additional services. The Service Corporation has entered into an arrangement with Alliance whereby it will receive a profit participation above a certain threshold for services provided by Alliance to certain tenants at certain buildings above the base services specified in their lease agreements. Income earned from profit participation, which is included in other income on the consolidated statements of income, was approximately $3.5 million, $4.0 million and $2.7 million for the years ended December 31, 2013, 2012 and 2011, respectively. We also recorded expenses of approximately $19.5 million, $17.9 million and $16.1 million for the years ended December 31, 2013, 2012 and 2011 respectively, for these services (excluding services provided directly to tenants).

Marketing Services

A-List Marketing, LLC, or A-List, provides marketing services to us. Ms. Deena Wolff, a sister of Mr. Marc Holliday, our CEO, is the owner of A-List. We recorded approximately $293,636, $155,500 and $140,300 for the years ended December 31, 2013, 2012 and 2011 respectively, for these services.

Leases

Nancy Peck and Company leases 1,003 square feet (unaudited) of space at 420 Lexington Avenue under a lease that ends in August 2015. Nancy Peck and Company is owned by Nancy Peck, the wife of Stephen L. Green. The rent due pursuant to the lease was $35,516 per annum for year one increasing to $40,000 in year seven.

Management Fees

S.L. Green Management Corp., a consolidated entity, receives property management fees from an entity in which Stephen L. Green owns an interest. We received management fees from such entity of approximately $441,093, $384,900 and $420,300 for the years ended December 31, 2013, 2012 and 2011, respectively.

Other

Amounts due from/to related parties at December 31, 2013 and 2012 consisted of the following (in thousands):



	December 31,
	2013		2012
Due from joint ventures	$	2,376	$	511
Other	6,154		7,020
Related party receivables	$	8,530	$	7,531

Due to a joint venture (included in Accounts payable and accrued expenses)	$	—	$	(8,401	)

- Definition

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

+ References + Details

Noncontrolling Interests in Operating Partnership

12 Months Ended

Dec. 31, 2013

Noncontrolling Interest [Abstract]

Noncontrolling Interests on the Company's Consolidated Financial Statements

Noncontrolling interests represent the common and preferred units of limited partnership interest in the Operating Partnership not held by the Company as well as third party equity interests in our other consolidated subsidiaries. Noncontrolling interests in the Operating Partnership are shown in the mezzanine equity while the noncontrolling interests in our other consolidated subsidiaries are shown in the equity section of the Company’s consolidated financial statements.

Common Units of Limited Partnership Interest in the Operating Partnership

As of December 31, 2013 and 2012, the noncontrolling interest unit holders owned 2.96% (2,902,317 units) and 2.94% (2,759,758 units) of the Operating Partnership, respectively. At December 31, 2013, 2,902,317 shares of SL Green's common stock were reserved for issuance upon redemption of units of limited partnership interest of the Operating Partnership.

Noncontrolling interests in the Operating Partnership is recorded at the greater of its cost basis or fair market value based on the closing stock price of SL Green's common stock at the end of the reporting period.

Below is the rollforward analysis of the activity relating to the noncontrolling interests in the Operating Partnership (in thousands) as of December 31, 2013, and 2012:



	2013			2012
Balance at beginning of period	$	212,907		$	195,030
Distributions	(4,146		)	(3,296		)
Issuance of common units	24,750			42,239
Redemption of common units	(17,287		)	(87,513		)
Net income	3,023			5,597
Accumulated other comprehensive income (loss) allocation	611			(388		)
Fair value adjustment	45,618			61,238
Balance at end of period	$	265,476		$	212,907

Preferred Units of Limited Partnership Interest in the Operating Partnership

The Operating Partnership has 1,902,000 4.5% Series G Preferred Units of limited partnership interest, or the Series G Preferred Units, with a liquidation preference of $25.00 per unit, which was issued in January 2012 as part of an acquisition. The Series G Preferred unitholders receive annual dividends of $1.125 per unit paid on a quarterly basis and dividends are cumulative, subject to certain provisions. The Series G Preferred Units are convertible into a number of common units of limited partnership interest in the Operating Partnership equal to (i) the liquidation preference plus accumulated and unpaid distributions on the conversion date divided by (ii) $88.50. The common units of limited partnership interest in the Operating Partnership may be redeemed in exchange for SL Green's common stock on a 1-to-1 basis. The Series G Preferred Units also provide the holder with the right to require the Operating Partnership to repurchase the Series G Preferred Units for cash before January 31, 2022.

The Operating Partnership has 80,000 6.0% Series H Preferred Units of limited partnership interest, or the Series H Preferred Units, with a mandatory liquidation preference of $25.00 per unit, which was issued in November 2011 as part of an acquisition. The Series H Preferred unitholders receive annual dividends of $1.50 per unit paid on a quarterly basis and dividends are cumulative, subject to certain provisions. The Series H Preferred Units can be redeemed at any time at par for cash at the Operating Partnership’s option or the option of the unitholder.

The Operating Partnership also has 22,658 units of its 5.00% Series E Preferred Units of limited partnership interest outstanding with a mandatory liquidation preference of $1.00 per unit which are included and further described in Note 8, “Mortgages and other loans payable.”

The Operating Partnership also has 60 units of its Series F Preferred Units outstanding with a mandatory liquidation preference of $1,000.00 per unit.

Stockholders' Equity of the Company

12 Months Ended

Dec. 31, 2013

Stockholders' Equity Note [Abstract]

Stockholders' Equity of the Company

Stockholders’ Equity of the Company

Common Stock

Our authorized capital stock consists of 260,000,000 shares, $0.01 par value per share, consisting of 160,000,000 shares of common stock, $0.01 par value per share, 75,000,000 shares of excess stock, at $0.01 par value per share, and 25,000,000 shares of preferred stock, par value $0.01 per share. As of December 31, 2013, 94,993,284 shares of common stock and no shares of excess stock were issued and outstanding.

In November 2013, the Company completed an offering of 2,600,000 shares of its common stock, par value $0.01 per share, at a price of $95.94 per share. The Company received net proceeds of approximately $248.9 million, after deducting offering expenses. The net proceeds from these offerings were contributed to the Operating Partnership in exchange for 2,600,000 common units of limited partnership interest and were used to repay debt, fund new investments and for other corporate purposes.

At-The-Market Equity Offering Program

In July 2011, the Company, along with the Operating Partnership, entered into an "at-the-market" equity offering program, or ATM Program, to sell an aggregate of $250.0 million of SL Green's common stock. During the year ended December 31, 2013, the Company sold 462,276 shares of SL Green's common stock through the ATM Program for aggregate gross proceeds of approximately $42.5 million ($41.8 million of net proceeds after related expenses). The net proceeds from these offerings were contributed to the Operating Partnership in exchange for 462,276 common units of limited partnership interest and were used to repay debt, fund new investments and for other corporate purposes. As of December 31, 2013, $2.8 million remained available for issuance of common stock under the ATM Program.

Perpetual Preferred Stock

We have 9,200,000 shares of our 6.50% Series I Cumulative Redeemable Preferred Stock, or the Series I Preferred Stock, outstanding with a mandatory liquidation preference of $25.00 per share. The Series I Preferred stockholders receive annual dividends of $1.625 per share paid on a quarterly basis and dividends are cumulative, subject to certain provisions. We are entitled to redeem the Series I Preferred Stock at par for cash at our option on or after August 10, 2017. In August 2012, we received $221.9 million in net proceeds from the issuance of the Series I Preferred Stock, which were recorded net of underwriters' discount and issuance costs, and contributed the net proceeds to the Operating Partnership in exchange for 9,200,000 units of 6.50% Series I Cumulative Redeemable Preferred Units of limited partnership interest, or the Series I Preferred Units.

In June 2013, we redeemed the remaining 7,700,000 outstanding shares of our 7.625% Series C Cumulative Redeemable Preferred stock, or the Series C Preferred Stock at a redemption price of $25.00 per share plus $0.3495 in accumulated and unpaid dividends on such Preferred Stock through June 21, 2013. We recognized $12.2 million of costs to redeem the remaining Series C Preferred Stock. In September 2012, we had redeemed 4,000,000 shares of our 11,700,000 shares of Series C Preferred Stock, at a redemption price of $25.00 per share plus $0.3707 in accumulated and unpaid dividends on such Preferred Stock through September 24, 2012. We recognized $6.3 million of costs to redeem partially the Series C Preferred Stock. Simultaneously with each redemption, an equal number of 7.625% Series C Cumulative Redeemable Preferred Units of limited partnership interest of the Operating Partnership, or the Series C Preferred Units, were redeemed at the redemption price paid by us to the Series C Preferred stockholders. The Series C Preferred stockholders received annual dividends of $1.90625 per share paid on a quarterly basis and dividends were cumulative, subject to certain provisions.

In July 2012, we redeemed all 4,000,000 shares of our 7.875% Series D Cumulative Redeemable Preferred stock, or Series D Preferred Stock, at a redemption price of $25.00 per share plus $0.4922 in accumulated and unpaid dividends on such Preferred Stock through July 14, 2012 and recognized $3.7 million of costs to redeem the Series D Preferred Stock. Simultaneously with that redemption, an equal number of 7.875% Series D Cumulative Redeemable Preferred Units of limited partnership interest of the Operating Partnership, or the Series D Preferred Units, were redeemed at the redemption price paid by SL Green to the Series D Preferred stockholders. The Series D Preferred stockholders received annual dividends of $1.96875 per share paid on a quarterly basis and dividends were cumulative, subject to certain provisions.

Dividend Reinvestment and Stock Purchase Plan

In March 2012, we filed a registration statement with the SEC for our dividend reinvestment and stock purchase plan, or DRIP, which automatically became effective upon filing. We registered 3,500,000 shares of SL Green's common stock under the DRIP. The DRIP commenced on September 24, 2001.

During the years ended December 31, 2013 and 2012, we issued approximately 761 and 1,300,000 shares of SL Green's common stock and received approximately $66,600 and $99.6 million of proceeds, respectively, from dividend reinvestments and/or stock purchases under the DRIP. DRIP shares may be issued at a discount to the market price.

Earnings per Share

Earnings per share for the years ended December 31, 2013, 2012 and 2011 is computed as follows (in thousands):



	December 31,
Numerator	2013		2012		2011
Basic Earnings:
Income attributable to SL Green common stockholders	$	101,330	$	155,984	$	617,232
Effect of Dilutive Securities:
Redemption of units to common shares	3,023		5,597		14,629
Stock options	—		—		—
Diluted Earnings:
Income attributable to SL Green common stockholders	$	104,353	$	161,581	$	631,861



	December 31,
Denominator	2013	2012	2011
Basic Shares:
Weighted average common stock outstanding	92,269	89,319	83,762
Effect of Dilutive Securities:
Redemption of units to common shares	2,735	3,207	1,985
3.0% exchangeable senior debentures due 2017	—	—	—
3.0% exchangeable senior debentures due 2027	—	—	—
4.0% exchangeable senior debentures due 2025	—	—	—
Stock-based compensation plans	262	347	497
Diluted weighted average common stock outstanding	95,266	92,873	86,244

We have excluded approximately 964,789, 627,000 and 680,000 common stock equivalents from the diluted shares outstanding for the years ended December 31, 2013, 2012 and 2011, respectively, as they were anti-dilutive.

Partners' Capital of the Operating Partnership

The Company is the sole general partner of the Operating Partnership and at December 31, 2013 owned 94,993,284 general and limited partnership interests in the Operating Partnership and 9,200,000 Series I Preferred Units. Partnership interests in the Operating Partnership are denominated as “common units of limited partnership interest” (also referred to as “OP Units”) or “preferred units of limited partnership interest” (also referred to as “Preferred Units”). All references to OP Units and Preferred Units outstanding exclude such units held by the Company. A holder of an OP Unit may present such OP Unit to the Operating Partnership for redemption at any time (subject to restrictions agreed upon at the issuance of OP Units to particular holders that may restrict such right for a period of time, generally one year from issuance). Upon presentation of an OP Unit for redemption, the Operating Partnership must redeem such OP Unit in exchange for the cash equal to the then value of a share of common stock of the Company, except that the Company may, at its election, in lieu of cash redemption, acquire such OP Unit for one share of common stock. Because the number of shares of common stock outstanding at all times equals the number of OP Units that the Company owns, one share of common stock is generally the economic equivalent of one OP Unit, and the quarterly distribution that may be paid to the holder of an OP Unit equals the quarterly dividend that may be paid to the holder of a share of common stock. Each series of Preferred Units makes a distribution that is set in accordance with an amendment to the partnership agreement of the Operating Partnership. Preferred Units may also be convertible into OP Units at the election of the holder thereof or the Company, subject to the terms of such Preferred Units.

Net income (loss) allocated to the preferred unitholders and common unitholders reflects their pro rata share of net income (loss) and distributions.

Limited Partner Units

As of December 31, 2013, limited partners other than SL Green owned approximately 2.96% (2,902,317 common units) of the Operating Partnership.

Preferred Units

Preferred units not owned by SL Green are further described in Note 11, “Noncontrolling Interests on the Company’s Consolidated Financial Statements - Preferred Units of Limited Partnership Interest in the Operating Partnership.”

Earnings per Unit

Earnings per unit for the years ended December 31, 2013, 2012 and 2011 is computed as follows (in thousands):



	December 31,
Numerator	2013		2012		2011
Basic Earnings:
Income attributable to SLGOP common unitholders	$	104,353	$	161,581	$	631,861
Effect of Dilutive Securities:
Stock options	—		—		—
Diluted Earnings:
Income attributable to SLGOP common unitholders	$	104,353	$	161,581	$	631,861



	December 31,
Denominator	2013	2012	2011
Basic units:
Weighted average common units outstanding	95,004	92,526	85,747
Effect of Dilutive Securities:
3.0% exchangeable senior debentures due 2017	—	—	—
3.0% exchangeable senior debentures due 2027	—	—	—
4.0% exchangeable senior debentures due 2025	—	—	—
Stock-based compensation plans	262	347	497
Diluted weighted average common units outstanding	95,266	92,873	86,244

We have excluded approximately 964,789 ,627,000 and 680,000 common unit equivalents from the diluted units outstanding for the years ended December 31, 2013, 2012 and 2011, respectively, as they were anti-dilutive.

- Definition

The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(d),(e))
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
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Reference 8: http://www.xbrl.org/2003/role/presentationRef
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Reference 9: http://www.xbrl.org/2003/role/presentationRef
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-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Preferred Stock
-URI http://asc.fasb.org/extlink&oid=6521494

Reference 12: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Topic 505
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-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 13: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21564-112644

Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
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-Number 210
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-Paragraph d
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Reference 15: http://www.xbrl.org/2003/role/presentationRef
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Reference 16: http://www.xbrl.org/2003/role/presentationRef
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Reference 17: http://www.xbrl.org/2003/role/presentationRef
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Reference 18: http://www.xbrl.org/2003/role/presentationRef
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Reference 19: http://www.xbrl.org/2003/role/presentationRef
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-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

+ Details

Partners' Capital of the Operating Partnership

12 Months Ended

Dec. 31, 2013

Equity [Abstract]

Partners' Capital of the Operating Partnership

Stockholders’ Equity of the Company

Common Stock

At-The-Market Equity Offering Program

Perpetual Preferred Stock

Dividend Reinvestment and Stock Purchase Plan

Earnings per Share

Earnings per share for the years ended December 31, 2013, 2012 and 2011 is computed as follows (in thousands):



	December 31,
Numerator	2013		2012		2011
Basic Earnings:
Income attributable to SL Green common stockholders	$	101,330	$	155,984	$	617,232
Effect of Dilutive Securities:
Redemption of units to common shares	3,023		5,597		14,629
Stock options	—		—		—
Diluted Earnings:
Income attributable to SL Green common stockholders	$	104,353	$	161,581	$	631,861



	December 31,
Denominator	2013	2012	2011
Basic Shares:
Weighted average common stock outstanding	92,269	89,319	83,762
Effect of Dilutive Securities:
Redemption of units to common shares	2,735	3,207	1,985
3.0% exchangeable senior debentures due 2017	—	—	—
3.0% exchangeable senior debentures due 2027	—	—	—
4.0% exchangeable senior debentures due 2025	—	—	—
Stock-based compensation plans	262	347	497
Diluted weighted average common stock outstanding	95,266	92,873	86,244

Partners' Capital of the Operating Partnership

Net income (loss) allocated to the preferred unitholders and common unitholders reflects their pro rata share of net income (loss) and distributions.

Limited Partner Units

As of December 31, 2013, limited partners other than SL Green owned approximately 2.96% (2,902,317 common units) of the Operating Partnership.

Preferred Units

Earnings per Unit

Earnings per unit for the years ended December 31, 2013, 2012 and 2011 is computed as follows (in thousands):



	December 31,
Numerator	2013		2012		2011
Basic Earnings:
Income attributable to SLGOP common unitholders	$	104,353	$	161,581	$	631,861
Effect of Dilutive Securities:
Stock options	—		—		—
Diluted Earnings:
Income attributable to SLGOP common unitholders	$	104,353	$	161,581	$	631,861



	December 31,
Denominator	2013	2012	2011
Basic units:
Weighted average common units outstanding	95,004	92,526	85,747
Effect of Dilutive Securities:
3.0% exchangeable senior debentures due 2017	—	—	—
3.0% exchangeable senior debentures due 2027	—	—	—
4.0% exchangeable senior debentures due 2025	—	—	—
Stock-based compensation plans	262	347	497
Diluted weighted average common units outstanding	95,266	92,873	86,244

- Definition

+ References

+ Details

Share-based Compensation

12 Months Ended

Dec. 31, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Share-based Compensation

We have a stock-based employee and director compensation plans. Our employees are compensated through the Operating Partnership. Under each plan, whenever the Company issues common or preferred stock, the Operating Partnership issues an equivalent number of units of limited partnership interest of a corresponding class to the Company.

Third Amended and Restated 2005 Stock Option and Incentive Plan

The Third Amended and Restated 2005 Stock Option and Incentive Plan, or the 2005 Plan, was approved by the Company's board of directors in April 2013 and its stockholders in June 2013 at the Company's annual meeting of stockholders. The 2005 Plan authorizes the issuance of stock options, stock appreciation rights, unrestricted and restricted stock, phantom shares, dividend equivalent rights and other equity-based awards. Subject to adjustments upon certain corporate transactions or events, awards with respect to up to a maximum of 17,130,000 fungible units may be granted under the 2005 Plan. Currently, different types of awards count against the limit on the number of fungible units differently, with (1) full-value awards (i.e., those that deliver the full value of the award upon vesting, such as restricted stock) counting as 2.76 fungible units per share subject to such award (2) stock options, stock appreciation rights and other awards that do not deliver full value and expire five years from the date of grant counting as 0.77 fungible units per share subject to such award and (3) all other awards (e.g., ten-year stock options) counting as 1.0 fungible units per share subject to such award. Awards granted under the 2005 Plan prior to the approval of the second amendment and restatement in June 2010 and third amendment and restatement in June 2013 continue to count against the fungible unit limit based on the ratios that were in effect at the time such awards were granted, which may be different than the current ratios. As a result, depending on the types of awards issued, the 2005 Plan may result in the issuance of more or less than 17,130,000 shares. If a stock option or other award granted under the 2005 Plan expires or terminates, the common stock subject to any portion of the award that expires or terminates without having been exercised or paid, as the case may be, will again become available for the issuance of additional awards. Shares of SL Green's common stock distributed under the 2005 Plan may be treasury shares or authorized but unissued shares. Currently, unless the 2005 Plan has been previously terminated by the board of directors, new awards may be granted under the 2005 Plan until June 13, 2023, which is the tenth anniversary of the date that the 2005 Plan was most recently approved by the Company's stockholders. As of December 31, 2013, 4.2 million fungible units were available for issuance under the 2005 Plan after reserving for shares underlying outstanding restricted stock units, phantom stock units granted pursuant to our Non-Employee Directors' Deferral Program and LTIP Units, including, among others, outstanding LTIP Units issued under our 2011 Long-Term Outperformance Plan, which remain subject to performance-based vesting.

Options are granted under the plan at the fair market value on the date of grant and, subject to termination of employment, generally expire five or ten years from the date of grant, are not transferable other than on death, and generally vest in one to five years commencing one year from the date of grant.

The fair value of each stock option granted is estimated on the date of grant using the Black-Scholes option pricing model based on historical information with the following weighted average assumptions for grants during the years ended December 31, 2013, 2012 and 2011, respectively.



	2013		2012		2011
Dividend yield	1.92	%	2.00	%	2.00	%
Expected life of option	4.1 years		3.7 years		4.2 years
Risk-free interest rate	0.96	%	0.46	%	1.00	%
Expected stock price volatility	36.12	%	37.40	%	47.98	%

A summary of the status of our stock options as of December 31, 2013, 2012 and 2011 and changes during the years then ended are presented below:



	2013					2012					2011
	Options Outstanding			Weighted Average Exercise Price		Options Outstanding			Weighted Average Exercise Price		Options Outstanding			Weighted Average Exercise Price
Balance at beginning of year	1,201,000			$	75.05	1,277,200			$	63.37	1,353,002			$	58.85
Granted	828,100			87.23		361,331			75.36		212,400			66.42
Exercised	(223,531		)	53.93		(382,612		)	36.65		(243,901		)	40.48
Lapsed or cancelled	(40,535		)	83.94		(54,919		)	72.99		(44,301		)	65.89
Balance at end of year	1,765,034			$	83.24	1,201,000			$	75.05	1,277,200			$	63.37
Options exercisable at end of year	461,458			$	89.38	479,913			$	86.85	644,429			$	72.31
Weighted average fair value of options granted during the year	$	18,041,576				$	6,602,967				$	4,647,554

All options were granted within a price range of $20.67 to $137.18. The remaining weighted average contractual life of the options outstanding was 4.60 years and the remaining average contractual life of the options exercisable was 3.83 years.

During the years ended December 31, 2013, 2012, and 2011, we recognized approximately $6.5 million, $5.1 million and $4.7 million of compensation expense, respectively, for these options. As of December 31, 2013, there was approximately $20.3 million of total unrecognized compensation cost related to unvested stock options, which is expected to be recognized over a weighted average period of three years.

Stock-based Compensation

Effective January 1, 1999, we implemented a deferred compensation plan, or the Deferred Plan, covering certain of our employees, including our executives. The shares issued under the Deferred Plan were granted to certain employees, including our executives and vesting will occur annually upon the completion of a service period or our meeting established financial performance criteria. Annual vesting occurs at rates ranging from 15% to 35% once performance criteria are reached. A summary of our restricted stock as of December 31, 2013, 2012 and 2011 and charges during the years then ended are presented below:



	2013			2012			2011
Balance at beginning of year	2,804,901			2,912,456			2,728,290
Granted	192,563			92,729			185,333
Cancelled	(3,267		)	(200,284		)	(1,167		)
Balance at end of year	2,994,197			2,804,901			2,912,456
Vested during the year	21,074			408,800			66,299
Compensation expense recorded	$	6,713,155		$	6,930,381		$	17,365,401
Weighted average fair value of restricted stock granted during the year	$	17,386,949		$	7,023,942		$	21,768,084

The fair value of restricted stock that vested during the years ended December 31, 2013, 2012 and 2011 was $1.6 million, $22.4 million and $4.3 million, respectively. As of December 31, 2013, there was $17.8 million of total unrecognized compensation cost related to unvested restricted stock, which is expected to be recognized over a weighted average period of approximately 2.7 years.

For the years ended December 31, 2013, 2012 and 2011, approximately $4.5 million, $4.1 million and $3.4 million, respectively, was capitalized to assets associated with compensation expense related to our long-term compensation plans, restricted stock and stock options.

We granted LTIP units, which include bonus, time-based and performance based awards, with a fair value of $27.1 million, zero and $8.5 million as of 2013, 2012 and 2011, respectively. The grant date fair value of the LTIP unit awards was calculated in accordance with ASC 718. A third party consultant determined the fair value of the LTIP units to have a discount from SL Green's common stock price. The discount was calculated by considering the inherent uncertainty that the LTIP units will reach parity with other common partnership units and the illiquidity due to transfer restrictions. As of December 31, 2013, there was $5.0 million of total unrecognized compensation expense related to the time-based and performance based awards, which is expected to be recognized over a weighted average period of approximately 1.5 years. During the years ended December 31, 2013, 2012 and 2011, we recorded compensation expense related to bonus, time-based and performance based awards of approximately $27.3 million, $12.6 million and $8.5 million, respectively.

2010 Notional Unit Long-Term Compensation Plan

In December 2009, the compensation committee of the Company's board of directors approved the general terms of the SL Green Realty Corp. 2010 Notional Unit Long-Term Compensation Program, or the 2010 Long-Term Compensation Plan. The 2010 Long-Term Compensation Plan is a long-term incentive compensation plan pursuant to which award recipients could earn, in the aggregate, from approximately $15.0 million up to approximately $75.0 million of LTIP Units in the Operating Partnership based on our stock price appreciation over three years beginning on December 1, 2009; provided that, if maximum performance had been achieved, approximately $25.0 million of awards could be earned at any time after the beginning of the second year and an additional approximately $25.0 million of awards could be earned at any time after the beginning of the third year. In order to achieve maximum performance under the 2010 Long-Term Compensation Plan, our aggregate stock price appreciation during the performance period had to equal or exceed 50%. The compensation committee determined that maximum performance had been achieved at or shortly after the beginning of each of the second and third years of the performance period and for the full performance period and, accordingly, 366,815 LTIP Units, 385,583 LTIP Units and 327,416 LTIP Units were earned under the 2010 Long-Term Compensation Plan in December 2010, 2011 and 2012, respectively. Substantially in accordance with the original terms of the program, 50% of these LTIP Units vested on December 17, 2012 (accelerated from the original January 1, 2013 vesting date), 25% of these LTIP Units vested on December 11, 2013 (accelerated from the original January 1, 2014 vesting date) and the remainder is scheduled to vest on January 1, 2015 based on continued employment. In accordance with the terms of the 2010 Long-Term Compensation Plan, distributions were not paid on any LTIP Units until they were earned, at which time we paid all distributions that would have been paid on the earned LTIP Units since the beginning of the performance period.

The cost of the 2010 Long-Term Compensation Plan (approximately $31.7 million, subject to forfeitures) will be amortized into earnings through the final vesting period. We recorded compensation expense of approximately $4.5 million, $10.7 million and $9.3 million during the years ended December 31, 2013, 2012 and 2011, respectively, related to the 2010 Long-Term Compensation Plan.

2011 Outperformance Plan

In August 2011, the compensation committee of the Company's board of directors approved the general terms of the SL Green Realty Corp. 2011 Outperformance Plan, or the 2011 Outperformance Plan. Participants in the 2011 Outperformance Plan may earn, in the aggregate, up to $85.0 million of LTIP Units in the Operating Partnership based on our total return to stockholders for the three-year period beginning September 1, 2011. Under the 2011 Outperformance Plan, participants will be entitled to share in a "performance pool" comprised of LTIP Units with a value equal to 10% of the amount, if any, by which our total return to stockholders during the three-year period exceeds a cumulative total return to stockholders of 25%, subject to the maximum of $85.0 million of LTIP Units; provided that if maximum performance has been achieved, approximately one-third of each award may be earned at any time after the beginning of the second year and an additional approximately one-third of each award may be earned at any time after the beginning of the third year. LTIP Units earned under the 2011 Outperformance Plan will be subject to continued vesting requirements, with 50% of any awards earned vesting on August 31, 2014 and the remaining 50% vesting on August 31, 2015, subject to continued employment with us through such dates. Participants will not be entitled to distributions with respect to LTIP Units granted under the 2011 Outperformance Plan unless and until they are earned. If LTIP Units are earned, each participant will also be entitled to the distributions that would have been paid had the number of earned LTIP Units been issued at the beginning of the performance period, with such distributions being paid in the form of additional LTIP Units. Thereafter, distributions will be paid currently with respect to all earned LTIP Units, whether vested or unvested.

The cost of the 2011 Outperformance Plan (approximately $26.3 million, subject to forfeitures) will be amortized into earnings through the final vesting period. We recorded compensation expense of approximately $8.0 million, $5.5 million and $0.1 million during the years ended December 31, 2013, 2012 and 2011, respectively, related to the 2011 Outperformance Plan.

Deferred Compensation Plan for Directors

Under our Non-Employee Director's Deferral Program, which commenced July 2004, the Company's non-employee directors may elect to defer up to 100% of their annual retainer fee, chairman fees, meeting fees and annual stock grant. Unless otherwise elected by a participant, fees deferred under the program shall be credited in the form of phantom stock units. The program provides that a director's phantom stock units generally will be settled in an equal number of shares of common stock upon the earlier of (i) the January 1 coincident with or next following such director's termination of service from the Board of Directors or (ii) a change in control by us, as defined by the program. Phantom stock units are credited to each non-employee director quarterly using the closing price of SL Green's common stock on the first business day of the respective quarter. Each participating non-employee director is also credited with dividend equivalents or phantom stock units based on the dividend rate for each quarter, which are either paid in cash currently or credited to the director’s account as additional phantom stock units.

During the year ended December 31, 2013, approximately 7,622 phantom stock units were earned. As of December 31, 2013, there were approximately 73,524 phantom stock units outstanding pursuant to our Non-Employee Director's Deferral Program.

Employee Stock Purchase Plan

On September 18, 2007, the Company's board of directors adopted the 2008 Employee Stock Purchase Plan, or ESPP, to encourage our employees to increase their efforts to make our business more successful by providing equity-based incentives to eligible employees. The ESPP is intended to qualify as an "employee stock purchase plan" under Section 423 of the Code, and has been adopted by the board to enable our eligible employees to purchase our shares of common stock through payroll deductions. The ESPP became effective on January 1, 2008 with a maximum of 500,000 shares of the common stock available for issuance, subject to adjustment upon a merger, reorganization, stock split or other similar corporate change. The Company filed a registration statement on Form S-8 with the SEC with respect to the ESPP. The common stock is offered for purchase through a series of successive offering periods. Each offering period will be three months in duration and will begin on the first day of each calendar quarter, with the first offering period having commenced on January 1, 2008. The ESPP provides for eligible employees to purchase the common stock at a purchase price equal to 85% of the lesser of (1) the market value of the common stock on the first day of the offering period or (2) the market value of the common stock on the last day of the offering period. The ESPP was approved by our stockholders at our 2008 annual meeting of stockholders. As of December 31, 2013, approximately 73,635 shares of SL Green's common stock had been issued under the ESPP.

Accumulated Other Comprehensive Loss of the Company

12 Months Ended

Dec. 31, 2013

Accumulated Other Comprehensive Income (Loss) [Line Items]

Accumulated Other Comprehensive Loss of the Company

Stockholders’ Equity of the Company

Common Stock

At-The-Market Equity Offering Program

Perpetual Preferred Stock

Dividend Reinvestment and Stock Purchase Plan

Earnings per Share

Earnings per share for the years ended December 31, 2013, 2012 and 2011 is computed as follows (in thousands):



	December 31,
Numerator	2013		2012		2011
Basic Earnings:
Income attributable to SL Green common stockholders	$	101,330	$	155,984	$	617,232
Effect of Dilutive Securities:
Redemption of units to common shares	3,023		5,597		14,629
Stock options	—		—		—
Diluted Earnings:
Income attributable to SL Green common stockholders	$	104,353	$	161,581	$	631,861



	December 31,
Denominator	2013	2012	2011
Basic Shares:
Weighted average common stock outstanding	92,269	89,319	83,762
Effect of Dilutive Securities:
Redemption of units to common shares	2,735	3,207	1,985
3.0% exchangeable senior debentures due 2017	—	—	—
3.0% exchangeable senior debentures due 2027	—	—	—
4.0% exchangeable senior debentures due 2025	—	—	—
Stock-based compensation plans	262	347	497
Diluted weighted average common stock outstanding	95,266	92,873	86,244

Partners' Capital of the Operating Partnership

Net income (loss) allocated to the preferred unitholders and common unitholders reflects their pro rata share of net income (loss) and distributions.

Limited Partner Units

As of December 31, 2013, limited partners other than SL Green owned approximately 2.96% (2,902,317 common units) of the Operating Partnership.

Preferred Units

Earnings per Unit

Earnings per unit for the years ended December 31, 2013, 2012 and 2011 is computed as follows (in thousands):



	December 31,
Numerator	2013		2012		2011
Basic Earnings:
Income attributable to SLGOP common unitholders	$	104,353	$	161,581	$	631,861
Effect of Dilutive Securities:
Stock options	—		—		—
Diluted Earnings:
Income attributable to SLGOP common unitholders	$	104,353	$	161,581	$	631,861



	December 31,
Denominator	2013	2012	2011
Basic units:
Weighted average common units outstanding	95,004	92,526	85,747
Effect of Dilutive Securities:
3.0% exchangeable senior debentures due 2017	—	—	—
3.0% exchangeable senior debentures due 2027	—	—	—
4.0% exchangeable senior debentures due 2025	—	—	—
Stock-based compensation plans	262	347	497
Diluted weighted average common units outstanding	95,266	92,873	86,244

SL Green Realty Corp

Accumulated Other Comprehensive Income (Loss) [Line Items]

Accumulated Other Comprehensive Loss of the Company

The following tables set forth the changes in accumulated other comprehensive income (loss) by component as of December 31, 2013, 2012 and 2011:



	Net unrealized loss on derivative instruments (1)			SL Green’s share of joint venture net unrealized loss on derivative instruments (2)			Unrealized gains and loss on marketable securities			Total
Balance at December 31, 2010	$	(14,009	)	$	(18,303	)	$	9,653		$	(22,659	)
Other comprehensive (loss) income before reclassifications	(5,019		)	(9,914		)	(4,682		)	(19,615		)
Amounts reclassified from accumulated other comprehensive income (loss)	1,518			10,816			1,495			13,829
Balance at December 31, 2011	(17,510		)	(17,401		)	6,466			(28,445		)
Other comprehensive (loss) income before reclassifications	(1,124		)	(9,098		)	(4,879		)	(15,101		)
Amounts reclassified from accumulated other comprehensive income (loss)	1,800			10,436			1,723			13,959
Balance at December 31, 2012	(16,834		)	(16,063		)	3,310			(29,587		)
Other comprehensive (loss) income before reclassifications	(168		)	6,267			1,474			7,573
Amounts reclassified from accumulated other comprehensive income (loss)	1,877			4,926			—			6,803
Balance at December 31, 2013	$	(15,125	)	$	(4,870	)	$	4,784		$	(15,211	)

___________________________

(1)

Amount reclassified from accumulated other comprehensive income (loss) is included in interest expense in the respective consolidated statements of income. As of December 31, 2013, 2012 and 2011, the deferred net losses from these terminated hedges, which is included in accumulated other comprehensive loss relating to net unrealized loss on derivative instrument, was approximately $13.8 million , $15.0 million and $16.3 million, respectively.


(2)	Amount reclassified from accumulated other comprehensive income (loss) is included in equity in net income from unconsolidated joint ventures in the respective consolidated statements of income.

- Definition

+ References

+ Details

Accumulated Other Comprehensive Loss of the Operating Partnership

12 Months Ended

Dec. 31, 2013

Accumulated Other Comprehensive Income (Loss) [Line Items]

Accumulated Other Comprehensive Loss of the Company

Stockholders’ Equity of the Company

Common Stock

At-The-Market Equity Offering Program

Perpetual Preferred Stock

Dividend Reinvestment and Stock Purchase Plan

Earnings per Share

Earnings per share for the years ended December 31, 2013, 2012 and 2011 is computed as follows (in thousands):



	December 31,
Numerator	2013		2012		2011
Basic Earnings:
Income attributable to SL Green common stockholders	$	101,330	$	155,984	$	617,232
Effect of Dilutive Securities:
Redemption of units to common shares	3,023		5,597		14,629
Stock options	—		—		—
Diluted Earnings:
Income attributable to SL Green common stockholders	$	104,353	$	161,581	$	631,861



	December 31,
Denominator	2013	2012	2011
Basic Shares:
Weighted average common stock outstanding	92,269	89,319	83,762
Effect of Dilutive Securities:
Redemption of units to common shares	2,735	3,207	1,985
3.0% exchangeable senior debentures due 2017	—	—	—
3.0% exchangeable senior debentures due 2027	—	—	—
4.0% exchangeable senior debentures due 2025	—	—	—
Stock-based compensation plans	262	347	497
Diluted weighted average common stock outstanding	95,266	92,873	86,244

Partners' Capital of the Operating Partnership

Net income (loss) allocated to the preferred unitholders and common unitholders reflects their pro rata share of net income (loss) and distributions.

Limited Partner Units

As of December 31, 2013, limited partners other than SL Green owned approximately 2.96% (2,902,317 common units) of the Operating Partnership.

Preferred Units

Earnings per Unit

Earnings per unit for the years ended December 31, 2013, 2012 and 2011 is computed as follows (in thousands):



	December 31,
Numerator	2013		2012		2011
Basic Earnings:
Income attributable to SLGOP common unitholders	$	104,353	$	161,581	$	631,861
Effect of Dilutive Securities:
Stock options	—		—		—
Diluted Earnings:
Income attributable to SLGOP common unitholders	$	104,353	$	161,581	$	631,861



	December 31,
Denominator	2013	2012	2011
Basic units:
Weighted average common units outstanding	95,004	92,526	85,747
Effect of Dilutive Securities:
3.0% exchangeable senior debentures due 2017	—	—	—
3.0% exchangeable senior debentures due 2027	—	—	—
4.0% exchangeable senior debentures due 2025	—	—	—
Stock-based compensation plans	262	347	497
Diluted weighted average common units outstanding	95,266	92,873	86,244

SL Green Operating Partnership

Accumulated Other Comprehensive Income (Loss) [Line Items]

Accumulated Other Comprehensive Loss of the Company

Accumulated Other Comprehensive Loss of the Operating Partnership

The following tables set forth the changes in accumulated other comprehensive income (loss) by component as of December 31, 2013, 2012 and 2011:



	Net unrealized loss on derivative instruments (1)			SLGOP’s share of joint venture net unrealized loss on derivative instruments (2)			Unrealized gains and loss on marketable securities			Total
Balance at December 31, 2010	$	(14,246	)	$	(18,613	)	$	9,817		$	(23,042	)
Other comprehensive loss before reclassifications	(5,699		)	(10,273		)	(4,261		)	(20,233		)
Amounts reclassified from accumulated other comprehensive income (loss)	1,554			11,072			1,530			$	14,156
Balance at December 31, 2011	$	(18,391	)	$	(17,814	)	$	7,086		$	(29,119	)
Other comprehensive loss before reclassifications	(912		)	(9,637		)	(5,442		)	(15,991		)
Amounts reclassified from accumulated other comprehensive income (loss)	1,865			10,811			1,785			14,461
Balance at December 31, 2012	$	(17,438	)	$	(16,640	)	$	3,429		$	(30,649	)
Other comprehensive (loss) income before reclassifications	(68		)	6,553			1,497			7,982
Amounts reclassified from accumulated other comprehensive income (loss)	1,933			5,072			—			7,005
Balance at December 31, 2013	$	(15,573	)	$	(5,015	)	$	4,926		$	(15,662	)

___________________________

(1)

Amount reclassified from accumulated other comprehensive income (loss) is included in interest expense in the respective consolidated statements of income. As of December 31, 2013, 2012 and 2011, the deferred net losses from these terminated hedges, which is included in accumulated other comprehensive loss relating to net unrealized loss on derivative instrument, was approximately $14.2 million, $15.5 million and $16.7 million, respectively.


(2)	Amount reclassified from accumulated other comprehensive income (loss) is included in equity in net income from unconsolidated joint ventures in the respective consolidated statements of income.

- Definition

+ References

+ Details

Fair Value Measurements

12 Months Ended

Dec. 31, 2013

Fair Value Disclosures [Abstract]

Fair Value Measurements

We are required to disclose the fair value information about our financial instruments, whether or not recognized in the consolidated balance sheets, for which it is practicable to estimate fair value. FASB guidance defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants on the measurement date. We measure and/or disclose the estimated fair value of financial assets and liabilities based on a hierarchy that distinguishes between market participant assumptions based on market data obtained from sources independent of the reporting entity and the reporting entity’s own assumptions about market participant assumptions. This hierarchy consist of three broad levels: Level 1 - quoted prices (unadjusted) in active markets for identical assets or liabilities that the reporting entity can access at the measurement date; Level 2 - inputs other than quoted prices included within Level 1, that are observable for the asset or liability, either directly or indirectly; and Level 3 - unobservable inputs for the asset or liability that are used when little or no market data is available. We follow this hierarchy for our assets and liabilities measured at fair value on a recurring and nonrecurring basis. In instances in which the determination of the fair value measurement is based on inputs from different levels of the fair value hierarchy, the level in the fair value hierarchy within which the entire fair value measurement falls is based on the lowest level of input that is significant to the fair value measurement in its entirety. The Company’s assessment of the significance of the particular input to the fair value measurement in its entirety requires judgment and considers factors specific to the asset or liability.

The following tables set forth the assets and liabilities that we measure at fair value on a recurring and non-recurring basis by their levels in the fair value hierarchy at December 31, 2013 and 2012, respectively (in thousands):



	December 31, 2013
	Total		Level 1		Level 2		Level 3
Assets:
Marketable securities	$	32,049	$	4,307	$	24,419	$	3,323
Liabilities:
Interest rate swap agreements (included in accrued interest payable and other liabilities)	$	1,329	—		$	1,329	—



	December 31, 2012
	Total		Level 1		Level 2		Level 3
Assets:
Marketable securities	$	21,429	$	2,202	$	15,575	$	3,652
Liabilities:
Interest rate swap agreements (included in accrued interest payable and other liabilities)	$	1,959	—		$	1,959	—

We determine impairment in real estate investments and debt and preferred equity investments, including intangibles utilizing cash flow projections that apply estimated revenue and expense growth rates, discount rates and capitalization rates, which are classified as Level 3 inputs.

The fair value of derivative instruments is based on current market data received from financial sources that trade such instruments and are based on prevailing market data and derived from third party proprietary models based on well-recognized financial principles and reasonable estimates about relevant future market conditions, which are classified as Level 2 inputs.

The financial assets and liabilities that are not measured at fair value on our consolidated balance sheets include cash and cash equivalents, restricted cash, accounts receivable, accounts payable and accrued expenses, debt and preferred equity investments, and mortgages and other loans payable and other secured and unsecured debt. The carrying amount of cash and cash equivalents, restricted cash, accounts receivable, and accounts payable and accrued expenses reported in our consolidated balance sheets approximates fair value due to the short term nature of these instruments. The fair value of debt and preferred equity investments, which is classified as Level 3, is estimated by discounting the future cash flows using current interest rates at which similar loans with the same maturities would be made to borrowers with similar credit ratings. The fair value of borrowings, which is classified as Level 3, is estimated by discounting the contractual cash flows of each debt to their present value using adjusted market interest rates, which is provided by a third-party specialist.

The following table provides the carrying value and fair value of these financial instruments as of December 31, 2013 and 2012 (in thousands):



	December 31, 2013				December 31, 2012
	Carrying Value		Fair Value		Carrying Value		Fair Value

Debt and preferred equity investments	$	1,304,839	(1)		$	1,348,434	(1)

Fixed rate debt	$	5,599,960	5,886,980		$	4,922,725	$	5,334,244
Variable rate debt	1,319,948		1,327,422		1,597,695		1,557,494
	$	6,919,908	$	7,214,402	$	6,520,420	$	6,891,738

_____________________________________


(1)	Debt and preferred equity investments had an estimated fair value ranging between $1.3 billion and $1.4 billion at both December 31, 2013 and 2012.

Disclosure about fair value of financial instruments was based on pertinent information available to us as of December 31, 2013 and 2012. Although we are not aware of any factors that would significantly affect the reasonable fair value amounts, such amounts have not been comprehensively revalued for purposes of these financial statements since that date and current estimates of fair value may differ significantly from the amounts presented herein.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

Financial Instruments: Derivatives and Hedging

12 Months Ended

Dec. 31, 2013

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Financial Instruments: Derivatives and Hedging

In the normal course of business, we use a variety of commonly used derivative instruments, such as interest rate swaps, caps, collar and floors, to manage, or hedge interest rate risk. We hedge our exposure to variability in future cash flows for forecasted transactions in addition to anticipated future interest payments on existing debt.

The following table summarizes the notional and fair value of our consolidated derivative financial instruments at December 31, 2013 based on Level 2 information pursuant to ASC 810-10. The notional value is an indication of the extent of our involvement in these instruments at that time, but does not represent exposure to credit, interest rate or market risks (amounts in thousands).



	Notional Value		Strike Rate		Effective Date	Expiration Date	Balance Sheet Location	Fair Value
Interest Rate Cap	$	263,426	6.000	%	November 2013	November 2015	Other Assets	$	9
Interest Rate Cap	137,500		4.000	%	October 2013	September 2015	Other Assets	7
Interest Rate Swap	30,000		2.295	%	July 2010	June 2016	Other Liabilities	(1,293		)
Interest Rate Swap	8,500		0.740	%	February 2012	February 2015	Other Liabilities	(45		)
								$	(1,322	)

Certain interest rate caps are not designated as a hedging instruments and changes in the value are marked to market through earnings. During the year ended December 31, 2013, 2012 and 2011, we recorded a loss on the changes in the fair value of $16,000, $770,000 and $66,000, respectively, which is included in interest expense on the consolidated statements of income. Included in 2012 was approximately $0.7 million of change in fair value of a terminated currency hedge which was marked to market.

Gains and losses on terminated hedges are included in the accumulated other comprehensive loss, and are recognized into earnings over the term of the related mortgage obligation. Over time, the realized and unrealized gains and losses held in accumulated other comprehensive loss will be reclassified into earnings as an adjustment to interest expense in the same periods in which the hedged interest payments affect earnings. We estimate that approximately $2.7 million of the current balance held in accumulated other comprehensive loss will be reclassified into interest expense and $5.0 million of the portion related to our share of joint venture accumulated other comprehensive loss will be reclassified into equity in net income from unconsolidated joint ventures within the next 12 months.

The following table presents the effect of our derivative financial instruments and our share of our joint ventures' derivative financial instruments that are designated and qualify as hedging instruments on the consolidated statements of income for the years ended December 31, 2013, 2012 and 2011, respectively (in thousands):



	Amount of Gain or (Loss) Recognized in Other Comprehensive Loss (Effective Portion)									Location of Gain or (Loss) Reclassified from Accumulated Other Comprehensive Loss into Income	Amount of Loss Reclassified from Accumulated Other Comprehensive Loss into Income (Effective Portion)						Location of Gain (Loss) Recognized in Income on Derivative	Amount of Gain or (Loss) or Recognized into Income (Ineffective Portion)
	Years Ended December 31,										Years Ended December 31,						Location of Gain (Loss) Recognized in Income on Derivative	Years Ended December 31,
Derivative	2013			2012			2011				2013		2012		2011			2013		2012		2011
Interest Rate Swaps/Caps	$	(68	)	(912		)	$	(5,699	)	Interest expense	$	1,933	1,865		$	1,554	Interest expense	$	3	3		$	(16	)
Share of unconsolidated joint ventures' derivative instruments	6,553			(9,637		)	(10,273		)	Equity in net income from unconsolidated joint ventures	5,072		10,811		11,072		Equity in net income from unconsolidated joint ventures	—		—		—
	$	6,485		$	(10,549	)	$	(15,972	)		$	7,005	$	12,676	$	12,626		$	3	$	3	$	(16	)

- Definition

The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6441202&loc=d3e80720-113993

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 815
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Topic 815
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-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579240-113959

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-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 4D
-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624177-113959

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-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=7668309&loc=d3e80784-113994

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
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-URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41641-113959

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-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624258-113959

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
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-URI http://asc.fasb.org/extlink&oid=7668309&loc=d3e80748-113994

Reference 12: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Topic 815
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-Publisher FASB
-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

Rental Income

12 Months Ended

Dec. 31, 2013

Leases [Abstract]

Rental Income

The Operating Partnership is the lessor and the sublessor to tenants under operating leases with expiration dates ranging from January 1, 2014 to 2044. The minimum rental amounts due under the leases are generally either subject to scheduled fixed increases or adjustments. The leases generally also require that the tenants reimburse us for increases in certain operating costs and real estate taxes above their base year costs. Approximate future minimum rents to be received over the next five years and thereafter for non-cancelable operating leases in effect at December 31, 2013 for the consolidated properties, including consolidated joint venture properties, and our share of unconsolidated joint venture properties are as follows (in thousands):



	Consolidated Properties		Unconsolidated Properties
2014	$	992,002	$	245,879
2015	939,016		195,447
2016	870,664		214,616
2017	792,471		201,671
2018	733,754		202,309
Thereafter	3,785,428		1,911,877
	$	8,113,335	$	2,971,799

Benefit Plans

12 Months Ended

Dec. 31, 2013

Compensation and Retirement Disclosure [Abstract]

Benefit Plans

The building employees are covered by multi-employer defined benefit pension plans and post-retirement health and welfare plans. We participate in the Building Service 32BJ, or Union, Pension Plan and Health Plan. The Pension Plan is a multi-employer, non-contributory defined benefit pension plan that was established under the terms of collective bargaining agreements between the Service Employees International Union, Local 32BJ, the Realty Advisory Board on Labor Relations, Inc. and certain other employees. This Pension Plan is administered by a joint board of trustees consisting of union trustees and employer trustees and operates under employer identification number 13-1879376. The Pension Plan year runs from July 1 to June 30. Employers contribute to the Pension Plan at a fixed rate on behalf of each covered employee. Separate actuarial information regarding such pension plans is not made available to the contributing employers by the union administrators or trustees, since the plans do not maintain separate records for each reporting unit. However, on September 28, 2011, September 28, 2012 and September 28, 2013, the actuary certified that for the plan years beginning July 1, 2011, July 1, 2012 and July 2013, respectively, the Pension Plan was in critical status under the Pension Protection Act of 2006. The Pension Plan trustees adopted a rehabilitation plan consistent with this requirement. No surcharges have been paid to the Pension Plan as of December 31, 2013. For the years ended December 31, 2013, 2012 and 2011, the Pension Plan received contributions from employers totaling $221.9 million, $212.7 million and $201.3 million, respectively.

The Health Plan was established under the terms of collective bargaining agreements between the Union, the Realty Advisory Board on Labor Relations, Inc. and certain other employers. The Health Plan provides health and other benefits to eligible participants employed in the building service industry who are covered under collective bargaining agreements, or other written agreements, with the Union. The Health Plan is administered by a Board of Trustees with equal representation by the employers and the Union and operates under employer identification number 13-2928869. The Health Plan receives contributions in accordance with collective bargaining agreements or participation agreements. Generally, these agreements provide that the employers contribute to the Health Plan at a fixed rate on behalf of each covered employee. Pursuant to the contribution diversion provision in the collective bargaining agreements, the collective bargaining parties agreed, beginning January 1, 2009, to divert to the Pension Plan $1.95 million of employer contributions per quarter that would have been due to the Health Plan. Effective October 1, 2010, the diversion of contributions was discontinued. For the years ended December 31, 2013, 2012 and 2011, the Health Plan received contributions from employers totaling $923.5 million, $893.3 million and $843.2 million, respectively.

Contributions we made to the multi-employer plans for the years ended December 31, 2013, 2012 and 2011 are included in the table below (in thousands):



Benefit Plan	2013		2012		2011
Pension Plan	$	2,765	$	2,506	$	2,264
Health Plan	8,522		8,020		6,919
Other plans	6,006		6,025		5,111
Total plan contributions	$	17,293	$	16,551	$	14,294

401(K) Plan

In August 1997, we implemented a 401(K) Savings/Retirement Plan, or the 401(K) Plan, to cover eligible employees of ours, and any designated affiliate. The 401(K) Plan permits eligible employees to defer up to 15% of their annual compensation, subject to certain limitations imposed by the Code. The employees' elective deferrals are immediately vested and non-forfeitable upon contribution to the 401(K) Plan. During 2000, we amended our 401(K) Plan to include a matching contribution, subject to ERISA limitations, equal to 50% of the first 4% of annual compensation deferred by an employee. During 2003, we amended our 401(K) Plan to provide for discretionary matching contributions only. For 2013, 2012 and 2011, a matching contribution equal to 50% of the first 6% of annual compensation was made. For the years ended December 31, 2013, 2012 and 2011, we made matching contributions of approximately $550,000, $561,000 and $502,000, respectively.

Commitments and Contingencies

12 Months Ended

Dec. 31, 2013

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Legal Proceedings

We and the Operating Partnership are not presently involved in any material litigation nor, to our knowledge, is any material litigation threatened against us or our properties, other than routine litigation arising in the ordinary course of business. Management believes the costs, if any, incurred by us related to this litigation will not materially affect our financial position, operating results or liquidity.

Environmental Matters

Our management believes that the properties are in compliance in all material respects with applicable Federal, state and local ordinances and regulations regarding environmental issues. Management is not aware of any environmental liability that it believes would have a materially adverse impact on our financial position, results of operations or cash flows. Management is unaware of any instances in which it would incur significant environmental cost if any of our properties were sold.

Employment Agreements

We have entered into employment agreements with certain executives, which expire between January 2015 and January 2018. The minimum cash-based compensation, including base salary and guaranteed bonus payments, associated with these employment agreements total approximately $4.7 million for 2014. In addition these employment agreements provide for deferred compensation awards based on our stock price and which were valued at approximately $1.2 million on the grant date. The value of these awards may change based on fluctuations in our stock price.

Insurance

We maintain "all-risk" property and rental value coverage (including coverage regarding the perils of flood, earthquake and terrorism) within two property insurance portfolios and liability insurance. As of December 31, 2013, the first property portfolio maintains a blanket limit of $950.0 million per occurrence, including terrorism, for the majority of the New York City properties in our portfolio. The second portfolio maintains a limit of $700.0 million per occurrence, including terrorism, for some New York City properties and the majority of the Suburban properties. Both policies expire on December 31, 2014. Each policy includes $100.0 million of flood coverage, with a lower sublimit for locations in high hazard flood zones. We maintain liability policies which cover all our properties and provide limits of $201.0 million per occurrence and in the aggregate per location. The liability policies expire on October 31, 2014. Additional coverage may be purchased on a stand-alone basis for certain assets.

In October 2006, we formed a wholly-owned taxable REIT subsidiary, Belmont Insurance Company, or Belmont, to act as a captive insurance company and be one of the elements of our overall insurance program. Belmont is a subsidiary of ours. Belmont was formed in an effort to, among other reasons, stabilize to some extent the fluctuations of insurance market conditions. Belmont is licensed in New York to write Terrorism, NBCR (nuclear, biological, chemical, and radiological), General Liability, Environmental Liability and D&O coverage. Belmont has purchased reinsurance to reinsure the retained insurance risks not covered by other insurance.

Belmont is a form of self-insurance. We are responsible for the liquidity and capital resources of Belmont and its accounts are included in our consolidated financial statements. All losses required to be paid by Belmont are recorded as losses by us.

Belmont had loss reserves of approximately $7.0 million and $6.2 million as of December 31, 2013 and 2012, respectively.

Capital and Ground Leases Arrangements

In November 2013, we renewed and extended the maturity date of the ground lease at 420 Lexington Avenue from December 31, 2029 through December 31, 2050, with two options for further extension through December 2085. Ground lease rent payments will be $10.9 million annually through December 2019, $11.2 million annually through December 2029 and then beginning in January 2030 through the remaining lease term, a minimum annual rent of $12.3 million, subject to a one-time adjustment based on 6% of the fair value of the land.

In October 2012, we, together with Stonehenge Partners, acquired a leasehold position at 1080 Amsterdam Avenue. The joint venture prepaid $13.0 million of ground lease rent, which will be applied against rental payments over the term of the lease. The lease will expire on July 31, 2111 or earlier in accordance with the terms of the lease agreement. Land was estimated to be approximately 40% of the fair market value of the property. The portion of the lease attributed to land was classified as an operating lease and the remainder as a capital lease which had a cost basis of $27.4 million at December 31, 2013.

The property located at 711 Third Avenue operates under an operating sub-lease, which expires in 2083. Under the sub-lease, we were responsible for ground rent payments of $1.55 million annually through July 2011 on the 50% portion of the fee we do not own. The ground rent was reset in July 2011. Following the reset, we are responsible for ground rent payments of $5.25 million annually through July 2016 and then $5.5 million annually thereafter on the 50% portion of the fee we do not own.

The property located at 461 Fifth Avenue operates under a ground lease (approximately $2.1 million annually) with a term expiration date of 2027 and with two options to renew for an additional 21 years each, followed by a third option for 15 years. We also have an option to purchase the ground lease for a fixed price on a specific date.

The property located at 625 Madison Avenue operates under a ground lease (approximately $4.6 million annually) with a term expiration date of 2022 and with two options to renew for an additional 23 years.

The property located at 1185 Avenue of the Americas operates under a ground lease (approximately $6.9 million annually) with a term expiration of 2020 and with an option to renew for an additional 23 years.

In April 1988, the SL Green predecessor entered into a lease agreement for the property at 673 First Avenue, which has been capitalized for financial statement purposes. Land was estimated to be approximately 70% of the fair market value of the property. The portion of the lease attributed to land was classified as an operating lease and the remainder as a capital lease. The initial lease term was 49 years with an option for an additional 25 years. In November 2012, we extended the lease to August 2087, an additional 50 years past its scheduled 2037 expiration date, with an effective date of September 2012. We continue to lease the property located at 673 First Avenue, which has been classified as a capital lease with a cost basis of $22.9 million and cumulative amortization of $6.5 million and $6.3 million at December 31, 2013 and 2012, respectively.

The following is a schedule of future minimum lease payments under capital leases and noncancellable operating leases with initial terms in excess of one year as of December 31, 2013 (in thousands):



December 31,	Capital lease			Non-cancellable operating leases
2014	$	2,292		$	35,356
2015	2,363			35,511
2016	2,531			35,943
2017	2,652			36,176
2018	2,652			36,176
Thereafter	353,826			1,409,808
Total minimum lease payments	366,316			$	1,588,970
Less amount representing interest	(318,645		)
Present value of net minimum lease payments	$	47,671

Segment Information

12 Months Ended

Dec. 31, 2013

Segment Reporting [Abstract]

Segment Information

We are a REIT primarily engaged in owning, managing, leasing, acquiring and repositioning commercial properties in the New York Metropolitan area and have two reportable segments, real estate and debt and preferred equity. We evaluate real estate performance and allocate resources based on earnings contribution to income from continuing operations.

Our real estate portfolio is primarily located in the geographical markets of the New York Metropolitan area. The primary sources of revenue are generated from tenant rents and escalations and reimbursement revenue. Real estate property operating expenses consist primarily of security, maintenance, utility costs, real estate taxes and ground rent expense (at certain applicable properties). See Note 5, "Debt and Preferred Equity Investments," for additional details on our debt and preferred equity investments.

Selected results of operations for the years ended December 31, 2013, 2012 and 2011, and selected asset information as of December 31, 2013 and 2012, regarding our operating segments are as follows (in thousands):



	Real Estate Segment			Debt and Preferred Equity Segment		Total Company
Total revenues
Years ended:
December 31, 2013	$	1,275,234		$	193,843	$	1,469,077
December 31, 2012	1,263,574			119,155		1,382,729
December 31, 2011	1,126,441			120,418		1,246,859
Income from continuing operations before equity in net gain on sale of interest in unconsolidated joint venture/real estate and purchase price fair value adjustment
Years ended:
December 31, 2013	$	(27,024	)	$	160,386	$	133,362
December 31, 2012	60,455			92,946		153,401
December 31, 2011	20,327			101,037		121,364
Total assets
As of:
December 31, 2013	$	13,641,727		$	1,317,274	$	14,959,001
December 31, 2012	13,028,406			1,357,890		14,386,296

Income from continuing operations represents total revenues less total expenses for the real estate segment and total investment income less allocated interest expense for the debt and preferred equity segment. Interest costs for the debt and preferred equity segment are imputed assuming 100% leverage at our 2012 revolving credit facility borrowing cost. We also allocate loan loss reserves, net of recoveries, to the debt and preferred equity segment. We do not allocate marketing, general and administrative expenses and transaction related costs (totaling approximately $90.2 million, $88.5 million and $85.7 million for the years ended December 31, 2013, 2012 and 2011, respectively) to the debt and preferred equity segment since we base performance on the individual segments prior to allocating marketing, general and administrative expenses. All other expenses, except interest, relate entirely to the real estate assets.

There were no transactions between the above two segments.

The table below reconciles income from continuing operations to net income for the years ended December 31, 2013, 2012 and 2011 (in thousands):



	Years ended December 31,
	2013			2012		2011
Income from continuing operations before equity in net gain on sale of interest in unconsolidated joint venture/real estate and purchase price fair value adjustment	$	133,362		$	153,401	$	121,364
Equity in net gain on sale of interest in unconsolidated joint venture/real estate	3,601			37,053		2,918
Purchase price fair value adjustment	(2,305		)	—		498,195
Income from continuing operations	134,658			190,454		622,477
Net income from discontinued operations	1,725			12,619		8,560
Gain on sale of discontinued operations	14,900			6,627		46,085
Net income	$	151,283		$	209,700	$	677,122

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8981-108599

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8971-108599

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8595-108599

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8380-108599

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8933-108599

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 26
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8844-108599

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 35
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8984-108599

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 40
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9031-108599

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 42
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9054-108599

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8538-108599

Reference 12: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 29
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8864-108599

Reference 13: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 31
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8924-108599

Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8906-108599

+ Details

Quarterly Financial Data (unaudited)

12 Months Ended

Dec. 31, 2013

SL Green Realty Corp

Condensed Income Statements, Captions [Line Items]

Quarterly Financial Data (unaudited)

Quarterly Financial Data of the Company (unaudited)

Summarized quarterly financial data for the years ended December 31, 2013 and 2012, which is reflective of the reclassification of the properties sold or held during 2013 and 2012 as discontinued operations (see Note 4, "Property Dispositions"), was as follows (in thousands, except for per share amounts):



2013 Quarter Ended	December 31			September 30			June 30			March 31
Total revenues	$	374,699		$	363,765		$	365,145		$	365,468
Income from continuing before equity in net gain (loss) on sale of interest in unconsolidated joint venture/real estate, purchase price fair value adjustment, gain (loss) on early extinguishment of debt, loss on sale of investment in marketable securities, net of noncontrolling interests	$	33,314		$	25,924		$	34,019		$	42,776
Equity in net gain (loss) on sale of interest in unconsolidated joint venture/real estate	7,538			(354		)	(3,583		)	—
Purchase price fair value adjustment	—			—			(2,305		)	—
Gain (loss) on early extinguishment of debt	5			—			(10		)	(18,513		)
Loss on sale of investment in marketable securities	—			—			(8		)	(57		)
Net income (loss) from discontinued operations	—			1,406			(678		)	997
Gain on sale of discontinued operations	—			13,787			—			1,113
Net income attributable to SL Green	40,857			40,763			27,435			26,316
Preferred stock redemption costs	—			—			(12,160		)	—
Perpetual preferred stock dividends	(3,737		)	(3,738		)	(6,999		)	(7,407		)
Net income attributable to SL Green common stockholders	$	37,120		$	37,025		$	8,276		$	18,909
Net income attributable to common stockholders per common share—basic	$	0.39		$	0.40		$	0.09		$	0.21
Net income attributable to common stockholders per common share—diluted	$	0.39		$	0.40		$	0.09		$	0.21



2012 Quarter Ended	December 31			September 30			June 30			March 31
Total revenues	$	346,599		$	357,011		$	344,535		$	334,585
Income from continuing before equity in net gain (loss) on sale of interest in unconsolidated joint venture/real estate, loss on early extinguishment of debt, gain on sale of investment in marketable securities, net of noncontrolling interests	$	2,624		$	27,276		$	94,362		$	17,882
Equity in net gain (loss) on sale of interest in unconsolidated joint venture/ real estate	19,277			(4,807		)	15,323			7,260
Loss on early extinguishment of debt	(6,978		)	—			—			—
Gain on sale of investment in marketable securities	2,703			2,237			—			—
Net income from discontinued operations	9,737			951			899			1,032
Gain on sale of discontinued operations	—			—			—			6,627
Net income attributable to SL Green	27,363			25,657			110,584			32,801
Preferred stock redemption costs	—			(10,010		)	—			—
Perpetual preferred stock dividends	(7,407		)	(7,915		)	(7,544		)	(7,545		)
Net income attributable to SL Green common stockholders	$	19,956		$	7,732		$	103,040		$	25,256
Net income attributable to common stockholders per common share—basic	$	0.22		$	0.09		$	1.15		$	0.29
Net income attributable to common stockholders per common share—diluted	$	0.22		$	0.09		$	1.14		$	0.29

SL Green Operating Partnership

Condensed Income Statements, Captions [Line Items]

Quarterly Financial Data (unaudited)

Quarterly Financial Data of the Operating Partnership (unaudited)



2013 Quarter Ended	December 31			September 30			June 30			March 31
Total revenues	$	374,699		$	363,765		$	365,145		$	365,468
Income from continuing before equity in net gain (loss) on sale of interest in unconsolidated joint venture/real estate, purchase price fair value adjustment, gain (loss) on early extinguishment of debt, loss on sale of investment in marketable securities, net of noncontrolling interests	$	34,428		$	27,034		$	34,263		$	43,331
Equity in net (loss) gain on sale of interest in unconsolidated joint venture/ real estate	7,538			(354		)	(3,583		)	—
Purchase price fair value adjustment	—			—			(2,305		)	—
Gain (loss) on early extinguishment of debt	5			—			(10		)	(18,513		)
Loss on sale of investment in marketable securities	—			—			(8		)	(57		)
Net income (loss) from discontinued operations	—			1,406			(678		)	997
Gain on sale of discontinued operations	—			13,787			—			1,113
Net income attributable to SLGOP	41,971			41,873			27,679			26,871
Preferred unit redemption costs	—			—			(12,160		)	—
Perpetual preferred units distributions	(3,737		)	(3,738		)	(6,999		)	(7,407		)
Net income attributable to SLGOP common unitholders	$	38,234		$	38,135		$	8,520		$	19,464
Net income attributable to common unitholders per common unit—basic	$	0.39		$	0.40		$	0.09		$	0.21
Net income attributable to common unitholders per common unit—diluted	$	0.39		$	0.40		$	0.09		$	0.21



2012 Quarter Ended	December 31			September 30			June 30			March 31
Total revenues	$	346,598		$	357,011		$	344,535		$	334,585
Income from continuing before equity in net gain (loss) on sale of interest in unconsolidated joint venture/real estate, loss on early extinguishment of debt, gain on sale of investment in marketable securities, net of noncontrolling interests	$	3,345		$	27,843		$	97,783		$	18,770
Equity in net gain (loss) on sale of interest in unconsolidated joint venture/ real estate	19,277			(4,807		)	15,323			7,260
Loss on early extinguishment of debt	(6,978		)	—			—			—
Gain on sale of investment in marketable securities	2,703			2,237			—			—
Net income from discontinued operations	9,737			951			899			1,032
Gain on sale of discontinued operations	—			—			—			6,627
Net income attributable to SLGOP	28,084			26,224			114,005			33,689
Preferred unit redemption costs	—			(10,010		)	—			—
Perpetual preferred distributions	(7,407		)	(7,915		)	(7,544		)	(7,545		)
Net income attributable to SLGOP common unitholders	$	20,677		$	8,299		$	106,461		$	26,144
Net income attributable to common unitholders per common unit—basic	$	0.22		$	0.09		$	1.15		$	0.29
Net income attributable to common unitholders per common unit—diluted	$	0.22		$	0.09		$	1.14		$	0.29

Subsequent Events	12 Months Ended
Subsequent Events	Dec. 31, 2013
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events In January 2014, we sold our 50.0% interest in the joint venture which holds 21-25 West 34^th Street at an implied gross valuation of $114.9 million, inclusive of the $100.0 million mortgage encumbering the property.

Schedule II-Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2013

Valuation and Qualifying Accounts [Abstract]

Schedule II-Valuation and Qualifying Accounts

Schedule II—Valuation and Qualifying Accounts

December 31, 2013

(in thousands)



Column A	Column B		Column C	Column D		Column E
Description	Balance at Beginning of Year		Additions Charged Against Operations	Uncollectible Accounts Written-off/Recovery		Balance at End of Year
Year Ended December 31, 2013
Tenant and other receivables—allowance	$	14,341	3,052	(68	)	$	17,325
Deferred rent receivable—allowance	$	29,580	3,133	(2,380	)	$	30,333
Year Ended December 31, 2012
Tenant and other receivables—allowance	$	11,326	10,147	(7,132	)	$	14,341
Deferred rent receivable—allowance	$	29,156	3,193	(2,769	)	$	29,580
Year Ended December 31, 2011
Tenant receivables—allowance	$	10,198	4,537	(3,409	)	$	11,326
Deferred rent receivable—allowance	$	30,834	6,638	(8,316	)	$	29,156

Schedule III-Real Estate And Accumulated Depreciation

12 Months Ended

Dec. 31, 2013

SEC Schedule III, Real Estate and Accumulated Depreciation Disclosure [Abstract]

Schedule III-Real Estate And Accumulated Depreciation

SL Green Realty Corp. and SL Green Operating Partnership, L.P.

Schedule III—Real Estate And Accumulated Depreciation

December 31, 2013

(Dollars in thousands)



Column A	Column B		Column C Initial Cost				Column D Cost Capitalized Subsequent To Acquisition						Column E Gross Amount at Which Carried at Close of Period						Column F		Column G	Column H	Column I
Description	Encumbrances		Land		Building & Improvements		Land			Building & Improvements			Land		Building & Improvements		Total		Accumulated Depreciation		Date of Construction	Date Acquired	Life on Which Depreciation is Computed
673 First Ave(1)	$	—	$	—	$	35,727	$	—		$	23,464		$	—	$	59,191	$	59,191	$	20,019	1928	8/1997	Various
420 Lexington Ave(1)	182,641		—		107,832		—			169,790			—		277,622		277,622		91,253		1927	3/1998	Various
711 Third Avenue(1)	120,000		19,844		42,499		—			35,029			19,844		77,528		97,372		29,359		1955	5/1998	Various
555 W. 57th Street(1)	—		18,846		78,704		—			43,084			18,846		121,788		140,634		44,318		1971	1/1999	Various
317 Madison Ave(1)	—		21,205		85,559		—			28,821			21,205		114,380		135,585		49,963		1920	6/2001	Various
220 East 42nd Street(1)	275,000		50,373		203,727		635			52,189			51,008		255,916		306,924		72,157		1929	2/2003	Various
461 Fifth Avenue(1)	—		—		62,695		—			8,003			—		70,698		70,698		19,807		1988	10/2003	Various
750 Third Avenue(1)	—		51,093		205,972		—			33,895			51,093		239,867		290,960		62,379		1958	7/2004	Various
625 Madison Ave(1)	120,830		—		246,673		—			33,212			—		279,885		279,885		69,230		1956	10/2004	Various
485 Lexington Avenue(1)	450,000		77,517		326,825		765			87,964			78,282		414,789		493,071		112,976		1956	12/2004	Various
609 Fifth Avenue(1)	—		36,677		145,954		—			7,230			36,677		153,184		189,861		28,481		1925	6/2006	Various
120 West 45th Street(1)	170,000		60,766		250,922		—			18,090			60,766		269,012		329,778		49,892		1998	1/2007	Various
810 Seventh Avenue(1)	—		114,077		476,386		—			44,614			114,077		521,000		635,077		98,988		1970	1/2007	Various
919 Third Avenue(1)(2)	500,000		223,529		1,033,198		35,410			16,799			258,939		1,049,997		1,308,936		188,175		1970	1/2007	Various
1185 Avenue of the Americas(1)	—		—		728,213		—			32,402			—		760,615		760,615		152,278		1969	1/2007	Various
1350 Avenue of the Americas(1)	—		91,038		380,744		—			26,376			91,038		407,120		498,158		78,379		1966	1/2007	Various
1100 King Street— 1-7 International Drive(3)	—		49,392		104,376		2,473			16,810			51,865		121,186		173,051		26,659		1983/1986	1/2007	Various
520 White Plains Road(3)	—		6,324		26,096		—			4,352			6,324		30,448		36,772		6,573		1979	1/2007	Various
115-117 Stevens Avenue(3)	—		5,933		23,826		—			5,891			5,933		29,717		35,650		6,825		1984	1/2007	Various
100 Summit Lake Drive(3)	—		10,526		43,109		—			7,036			10,526		50,145		60,671		10,089		1988	1/2007	Various
200 Summit Lake Drive(3)	—		11,183		47,906		—			6,222			11,183		54,128		65,311		10,388		1990	1/2007	Various
500 Summit Lake Drive(3)	—		9,777		39,048		—			5,508			9,777		44,556		54,333		8,023		1986	1/2007	Various
140 Grand Street(3)	—		6,865		28,264		—			4,048			6,865		32,312		39,177		6,608		1991	1/2007	Various
360 Hamilton Avenue(3)	—		29,497		118,250		—			11,545			29,497		129,795		159,292		25,138		2000	1/2007	Various
1-6 Landmark Square(4)	82,909		50,947		195,167		—			23,919			50,947		219,086		270,033		41,223		1973-1984	1/2007	Various
7 Landmark Square(4)	—		2,088		7,748		(367		)	(134		)	1,721		7,614		9,335		403		2007	1/2007	Various
680 Washington Boulevard(2)(4)	—		11,696		45,364		—			4,218			11,696		49,582		61,278		9,539		1989	1/2007	Various
750 Washington Boulevard(2)(4)	—		16,916		68,849		—			4,854			16,916		73,703		90,619		14,140		1989	1/2007	Various
1010 Washington Boulevard(4)	—		7,747		30,423		—			3,667			7,747		34,090		41,837		6,507		1988	1/2007	Various
500 West Putnam Avenue(4)	23,529		11,210		44,782		—			4,594			11,210		49,376		60,586		8,837		1973	1/2007	Various
150 Grand Street(3)	—		1,371		5,446		—			10,485			1,371		15,931		17,302		1,137		1962	1/2007	Various
400 Summit Lake Drive(3)	—		38,889		—		285			1			39,174		1		39,175		1		---	1/2007	Various
331 Madison Avenue(1)	—		14,763		65,241		—			902			14,763		66,143		80,906		12,419		1923	4/2007	Various
1055 Washington Boulevard(4)	—		13,516		53,228		—			3,118			13,516		56,346		69,862		10,700		1987	6/2007	Various
1 Madison Avenue(1)	587,336		172,641		654,394		905			14,384			173,546		668,778		842,324		107,764		1960	8/2007	Various
125 Chubb Way(5)	—		5,884		25,958		—			23,478			5,884		49,436		55,320		3,372		2008	1/2008	Various



100 Church Street(1)	230,000		32,494		79,996		2,500		81,109			34,994		161,105		196,099		21,198		1959	1/2010	Various
125 Park Avenue(1)	146,250		120,900		189,714		—		29,893			120,900		219,607		340,507		26,598		1923	10/2010	Various
2 Herald Square(1)	191,250		92,655		—		100,633		—			193,288		—		193,288		—		---	12/2010	Various
885 Third Avenue(1)	267,650		131,766		—		110,771		—			242,537		—		242,537		—		---	12/2010	Various
Williamsburg(6)	—		3,677		14,708		2,523		(4,550		)	6,200		10,158		16,358		821		2010	12/2010	Various
1515 Broadway(1)	900,000		462,700		707,938		1,145		27,119			463,845		735,057		1,198,902		63,103		1972	4/2011	Various
110 East 42nd Street(1)	—		34,000		46,411		2,354		13,490			36,354		59,901		96,255		6,371		1921	5/2011	Various
180 Maiden Lane(1)(7)	262,706		191,523		233,230		—		4,871			191,523		238,101		429,624		18,599		1984	11/2011	Various
51 East 42nd Street(1)	—		44,095		33,470		5		2,255			44,100		35,725		79,825		2,440		1913	11/2011	Various
400 East 57th Street(1)(8)	70,000		39,780		69,895		—		6,027			39,780		75,922		115,702		3,571		1931	1/2012	Various
400 East 58th Street(1)(8)	30,000		17,549		30,916		—		2,388			17,549		33,304		50,853		1,552		1929	1/2012	Various
752 Madison Avenue(1)(8)	—		—		7,131		—		10			—		7,141		7,141		423		1996/2012	1/2012	Various
762 Madison Avenue(1)(8)	8,211		6,153		10,461		—		89			6,153		10,550		16,703		524		1910	1/2012	Various
19-21 East 65th Street(1)(8)	—		—		7,389		—		151			—		7,540		7,540		365		1928-1940	1/2012	Various
304 Park Avenue(1)	—		54,189		75,619		300		4,198			54,489		79,817		134,306		4,726		1930	6/2012	Various
635 Sixth Avenue(1)	—		24,180		37,158		163		18,071			24,343		55,229		79,572		—		1902	9/2012	Various
641 Sixth Avenue(1)	—		45,668		67,316		308		768			45,976		68,084		114,060		2,922		1902	9/2012	Various
1080 Amsterdam(1)(9)	—		—		27,445		—		8,450			—		35,895		35,895		—		1932	10/2012	Various
131-137 Spring Street(1)	—		27,021		105,342		154		637			27,175		105,979		133,154		2,826		1891	12/2012	Various
985-987 Third Avenue(1)	—		5,400		12,600		3,635		248			9,035		12,848		21,883		—		1900/1972	12/2012	Various
248-252 Bedford Avenue(6)(10)	22,000		10,865		44,035		—		2,106			10,865		46,141		57,006		490		2012	3/2013	Various
16 Court Street(6)	79,243		19,217		63,210		—		2,207			19,217		65,417		84,634		1,736		1927-1928	4/2013	Various
315 West 33rd Street (1)	—		116,033		270,742		—		—			116,033		270,742		386,775		921		2000-2001	11/2013	Various
Fifth Avenue Retail Assemblage(1)	—		43,800		102,200		—		—			43,800		102,200		146,000		284		1909/1920/1921	11/2013	Various
Other(11)	—		1,130		—		1,004		9,826			2,134		9,826		11,960		2,771
Total	$	4,719,555	$	2,766,925	$	8,276,031	$	265,601	$	1,025,223		$	3,032,526	$	9,301,254	$	12,333,780	$	1,646,240

______________________________________________________________________


(1)	Property located in New York, New York.


(2)	We own a 51% interest in this property.


(3)	Property located in Westchester County, New York.


(4)	Property located in Connecticut.


(5)	Property located in New Jersey.


(6)	Property located in Brooklyn, New York.


(7)	We own a 49.9% interest in this property.


(8)	We own a 80.0% interest in this property.


(9)	We own a 87.5% interest in this property.


(10)	We own a 90.0% interest in this property.


(11)	Other includes tenant improvements at eEmerge, capitalized interest and corporate improvements.

Schedule III—Real Estate And Accumulated Depreciation

December 31, 2013

The changes in real estate for the years ended December 31, 2013, 2012 and 2011 are as follows (in thousands):



	2013			2012			2011
Balance at beginning of year	$	11,662,953		$	11,147,151		$	8,890,064
Property acquisitions	702,717			649,445			2,276,308
Improvements	199,141			146,410			162,875
Retirements/disposals/deconsolidation	(231,031		)	(280,053		)	(182,096		)
Balance at end of year	$	12,333,780		$	11,662,953		$	11,147,151

The aggregate cost of land, buildings and improvements, before depreciation, for Federal income tax purposes at December 31, 2013 was approximately $8.6 billion.

The changes in accumulated depreciation, exclusive of amounts relating to equipment, autos, and furniture and fixtures, for the years ended December 31, 2013, 2012 and 2011 are as follows (in thousands):



	2013			2012			2011
Balance at beginning of year	$	1,393,323		$	1,136,603		$	916,293
Depreciation for year	286,776			288,560			245,421
Retirements/disposals/deconsolidation	(33,859		)	(31,840		)	(25,111		)
Balance at end of year	$	1,646,240		$	1,393,323		$	1,136,603

Significant Accounting Policies (Policies)

12 Months Ended

Dec. 31, 2013

Accounting Policies [Abstract]

Principles of Consolidation

Investment in Commercial Real Estate Properties

Properties are depreciated using the straight-line method over the estimated useful lives of the assets. The estimated useful lives are as follows:



Category		Term
Building (fee ownership)		40 years
Building improvements		shorter of remaining life of the building or useful life
Building (leasehold interest)		lesser of 40 years or remaining term of the lease
Property under capital lease		remaining lease term
Furniture and fixtures		four to seven years
Tenant improvements		shorter of remaining term of the lease or useful life

Results of operations of properties acquired are included in the consolidated statements of income from the date of acquisition.

Cash and Cash Equivalents

We consider all highly liquid investments with maturity of three months or less when purchased to be cash equivalents.

Fair Value Measurements

Refer to Note 17, "Fair Value Measurements," in the accompanying notes to consolidated financial statements.

Investment in Marketable Securities

The cost of bonds and marketable securities sold was determined using the specific identification method.

Investment in Unconsolidated Joint Ventures

Investments in Unconsolidated Joint Ventures

Restricted Cash

Deferred Lease Costs

Deferred Financing Costs

Revenue Recognition

Asset management fees are recognized on a straight-line basis over the term of the asset management agreement.

Allowance for Doubtful Accounts

Reserve for Possible Credit Losses

Rent Expense

Income Taxes

Underwriting Commissions and Costs

Underwriting commissions and costs incurred in connection with our stock offerings are reflected as a reduction of additional paid-in-capital.

Exchangeable Debt Instruments

Stock-Based Employee Compensation Plans

We have a stock-based employee compensation plan, described more fully in Note 14, "Share-based Compensation."

Derivative Instruments

Earnings per Share of the Company

Earnings per Unit of the Operating Partnership

Use of Estimates

Concentration of Credit Risk

Concentrations of Credit Risk

Reclassification

Accounting Standards Updates

Organization and Basis of Presentation (Tables)

12 Months Ended

Dec. 31, 2013

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of commercial office properties



Location	Ownership	Number of Buildings	Square Feet (unaudited)	Weighted Average Occupancy(1) (unaudited)
Manhattan	Consolidated properties	23	17,306,045	94.5	%
	Unconsolidated properties	9	5,934,434	96.6	%

Suburban	Consolidated properties	26	4,087,400	79.8	%
	Unconsolidated properties	4	1,222,100	87.2	%
		62	28,549,979	92.5	%

______________________________________________________________________


(1)	The weighted average occupancy represents the total leased square feet divided by total available rentable square feet.

Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2013

Accounting Policies [Abstract]

Schedule of estimated useful lives

Properties are depreciated using the straight-line method over the estimated useful lives of the assets. The estimated useful lives are as follows:



Category		Term
Building (fee ownership)		40 years
Building improvements		shorter of remaining life of the building or useful life
Building (leasehold interest)		lesser of 40 years or remaining term of the lease
Property under capital lease		remaining lease term
Furniture and fixtures		four to seven years
Tenant improvements		shorter of remaining term of the lease or useful life

Summary of identified intangible assets (acquired above-market leases and in-place leases) and intangible liabilities (acquired below-market leases)



	December 31,
	2013			2012
Identified intangible assets (included in other assets):
Gross amount	$	746,704		$	725,861
Accumulated amortization	(343,339		)	(263,107		)
Net	$	403,365		$	462,754
Identified intangible liabilities (included in deferred revenue):
Gross amount	$	671,380		$	651,921
Accumulated amortization	(429,138		)	(357,225		)
Net	$	242,242		$	294,696

Schedule of estimated annual amortization of acquired below-market leases, net of acquired above-market leases



2014	$	(1,984	)
2015	(2,464		)
2016	(4,632		)
2017	(3,758		)
2018	(4,763		)

Schedule of estimated annual amortization of all other identifiable assets



2014	$	14,938
2015	10,387
2016	6,878
2017	5,482
2018	3,978

Schedule of marketable securities

At December 31, 2013 and 2012, we held the following marketable securities (in thousands):



	December 31,
	2013		2012
Equity marketable securities	$	4,307	$	2,202
Commercial mortgage-backed securities	24,419		15,575
Rake bonds	3,323		3,652
Total marketable securities available-for-sale	$	32,049	$	21,429

- Definition

Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

+ References + Details

Property Acquisitions (Tables)

12 Months Ended

Dec. 31, 2013

2013 Acquisitions

Property Acquisitions

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

The following summarizes our allocation of the purchase price of the assets acquired and liabilities assumed upon the closing of these 2013 acquisitions (in thousands):



	315 West 33 Street(1)		Assemblage of Retail Development Properties on Fifth Avenue(1)		16 Court		248-252 Bedford Avenue
Land	$	116,033	$	43,800	$	19,217	$	10,865
Building and building leasehold	270,742		102,200		63,210		44,035
Above market lease value	—		—		5,122		—
Acquired in-place leases	—		—		9,422		—
Other assets, net of other liabilities	—		—		3,380		—
Assets acquired	386,775		146,000		100,351		54,900
Mark-to-market assumed debt	—		—		294		—
Below market lease value	—		—		3,885		—
Liabilities assumed	—		—		4,179		—
Purchase price allocation	$	386,775	$	146,000	$	96,172	$	54,900
Net consideration funded by us at closing, excluding consideration financed by debt	$	386,775	$	146,000	$	4,000	$	21,782
Equity and/or debt investment held	$	—	$	—	$	13,835	$	—
Debt assumed	$	—	$	—	$	84,642	$	—

______________________________________________________________________


(1)	We are currently in the process of analyzing the purchase price allocation and, as such, we have not allocated any value to intangible assets such as above- and below-market lease or in-place leases.

2012 Acquisitions

Property Acquisitions

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

The following summarizes our allocation of the purchase price of the assets acquired and liabilities assumed upon the closing of these 2012 acquisitions (in thousands):



	985-987 Third Avenue		131-137 Spring Street		635-641 Sixth Avenue		304 Park Avenue South		Stonehenge Properties
Land	$	5,400	$	27,021	$	69,848	$	54,189	$	65,533
Building and building leasehold	12,600		105,342		104,474		75,619		128,457
Above market lease value	—		179		—		2,824		594
Acquired in-place leases	—		7,046		7,727		8,265		9,573
Other assets, net of other liabilities	—		—		—		—		2,190
Assets acquired	18,000		139,588		182,049		140,897		206,347
Fair value adjustment to mortgage note payable	—		—		—		—		—
Below market lease value	—		17,288		9,049		5,897		13,239
Liabilities assumed	—		17,288		9,049		5,897		13,239
Purchase price allocation	$	18,000	$	122,300	$	173,000	$	135,000	$	193,108
Net consideration funded by us at closing, excluding consideration financed by debt	$	18,000	$	122,300	$	173,000	$	135,000	$	78,121
Equity and/or debt investment held	$	—	$	—	$	—	$	—	$	—
Debt assumed	$	—	$	—	$	—	$	—	$	—

2011 Acquisitions

Property Acquisitions

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

The following summarizes our allocation of the purchase price of the assets acquired and liabilities assumed upon the closing of these 2011 acquisitions (in thousands):



	51 East 42nd Street		180 Maiden Lane		110 East 42nd Street		1515 Broadway			521 Fifth Avenue
Land	$	44,095	$	191,523	$	34,000	$	462,700		$	110,100
Building and building leasehold	33,470		233,230		46,411		707,938			146,686
Above market lease value	5,616		7,944		823		18,298			3,318
Acquired in-place leases	4,333		29,948		5,396		98,661			23,016
Other assets, net of other liabilities	—		—		—		27,127			—
Assets acquired	87,514		462,645		86,630		1,314,724			283,120
Fair value adjustment to mortgage note payable	—		—		—		(3,693		)	—
Below market lease value	7,514		20,320		2,326		84,417			25,977
Liabilities assumed	7,514		20,320		2,326		80,724			25,977
Purchase price allocation	$	80,000	$	442,325	$	84,304	$	1,234,000		$	257,143
Net consideration funded by us at closing, excluding consideration financed by debt	$	81,632	$	81,835	$	2,744	$	259,228		$	70,000
Equity and/or debt investment held	$	—	$	—	$	16,000	$	40,942		$	41,432
Debt assumed	$	—	$	—	$	65,000	$	458,767		$	140,000

Property Dispositions (Tables)

12 Months Ended

Dec. 31, 2013

Discontinued Operations and Disposal Groups [Abstract]

Summary of income from discontinued operations

The following table summarizes net income from discontinued operations for the years ended December 31, 2013, 2012 and 2011, respectively (in thousands).



	Year Ended December 31,
	2013		2012		2011
Revenues
Rental revenue	$	10,656	$	18,651	$	27,093
Escalation and reimbursement revenues	1,292		2,263		2,924
Other income	8		8,190		121
Total revenues	11,956		29,104		30,138
Operating expenses	3,643		6,646		7,424
Real estate taxes	765		1,224		2,334
Interest expense, net of interest income	461		2,082		4,922
Depreciable real estate reserves	2,150		—		—
Transaction related costs	—		160		1
Depreciation and amortization	3,212		6,373		6,715
Amortization of deferred financing costs	—		—		182
Total expenses	10,231		16,485		21,578
Net income from discontinued operations	$	1,725	$	12,619	$	8,560

- Definition

Tabular disclosure of disposal groups, which may include the gain (loss) recognized in the income statement and the income statement caption that includes that gain (loss), amounts of revenues and pretax profit or loss reported in discontinued operations, the classification and carrying value of the assets and liabilities comprising the disposal group, and the segment in which the disposal group was reported. Also may include the amount of adjustments to amounts previously reported in discontinued operations such as resolution of contingencies arising from the disposal transaction or the operations of the component prior to disposal.

+ References + Details

Debt and Preferred Equity Investments (Tables)

12 Months Ended

Dec. 31, 2013

Investments, Debt and Equity Securities [Abstract]

Summary of debt investments

As of December 31, 2013 and 2012, we held the following debt investments with an aggregate weighted average current yield of approximately 11.47% at December 31, 2013 (in thousands):



Loan Type	December 31, 2013 Senior Financing		December 31, 2013 Carrying Value, Net of Discounts and Deferred Origination Fees			December 31, 2012 Carrying Value, Net of Discounts and Deferred Origination Fees			Initial Maturity Date
Junior Participation	$	398,500	$	11,856		$	—		March 2015
Mezzanine Loan	205,000		68,319			66,307			February 2016
Mortgage/Mezzanine Loan	166,710		44,742			44,013			May 2016
Mezzanine Loan	177,000		15,012			15,906			May 2016
Junior Participation	133,000		49,000			49,000			June 2016
Mezzanine Loan	165,000		71,312			70,967			November 2016
Mortgage/Mezzanine Loan(1)	1,109,000		80,983			115,804			March 2017
Mezzanine Loan(2)	521,750		20,954			—			June 2017
Other Loan	15,000		3,500			3,500			September 2021
Mezzanine Loan(3)	90,000		19,926			—			November 2023
Mortgage Loan(4)	—		—			218,068			—
Total fixed rate	$	2,980,960	$	385,604		$	583,565
Junior Participation(5)	$	80,932	$	24,046		$	—		February 2014
Junior Participation(6)	57,750		10,873			10,869			June 2014
Mortgage/Mezzanine Loan	330,000		131,724			131,231			July 2014
Mezzanine Loan	180,000		59,892			59,739			August 2014
Mezzanine Loan(7)	89,956		38,549			34,444			October 2014
Mortgage Loan	—		30,000			—			December 2014
Mezzanine Loan	110,000		49,110			—			September 2015
Mezzanine Loan(8)	92,711		27,662			55,336			December 2015
Mezzanine Loan	775,000		72,823			—			March 2016
Mezzanine Loan(9)	160,000		22,526			7,624			June 2016
Mezzanine Loan	87,300		25,590			34,761			July 2016
Mezzanine Loan(10)	163,500		25,725			—			November 2016
Mezzanine Loan(11)	33,289		11,798			—			December 2016
Mortgage/Mezzanine Loan	55,000		20,553			—			July 2018
Mortgage Loan	—		—			14,745			—
Mezzanine Loan	—		—			37,288			—
Mortgage/Mezzanine Loan	—		—			47,253			—
Total floating rate	$	2,215,438	$	550,871		$	433,290
Total	5,196,398		936,475			1,016,855
Loan loss reserve(12)			(1,000		)	(7,000		)
			$	935,475		$	1,009,855

______________________________________________________________________


(1)	Interest is added to the principal balance for this accrual only loan. In January 2013, we sold 50% of the mezzanine loan for $57.8 million and recognized additional income of $12.9 million, which is included in investment income on the consolidated statements of income.

(2)


(3)	In November 2013, we entered into a loan participation agreement in the amount of $5.0 million on a $25.0 million mortgage. As a result of the transfer not meeting the conditions for sale accounting, the portion that was participated out has been recorded in other assets and other liabilities in the consolidated balance sheets.


(4)	In November 2012, we acquired this nonperforming loan with an original balance of $219.0 million subject to interest based on default rate. In connection with the repayment of the loan in May 2013, we recognized additional income of $6.4 million, which is included in investment income on our consolidated statements of income.


(5)	As of December 31, 2013, we were committed to fund an additional $0.9 million in connection with this loan.


(6)	In December 2013, the loan was extended to June 2014.


(7)	As of December 31, 2013, we were committed to fund an additional $11.2 million in connection with this loan.


(8)	We funded $56.3 million at origination. In June 2013, we sold 50% of our interest in the $85.0 million mezzanine loan. Additionally, in December 2013 we closed on an $8.5 million future funding upsize, bringing our total additional committed funding amount to $22.1 million at December 31, 2013.

(9)


(10)	As of December 31, 2013, we were committed to fund an additional $11.4 million in connection with this loan.


(11)	As of December 31, 2013, we were committed to fund an additional $0.3 million in connection with this loan.


(12)	Loan loss reserves are specifically allocated to investments. Our reserves reflect management's judgment of the probability and severity of losses based on Level 3 data. We cannot be certain that our judgment will prove to be correct or that reserves will be adequate over time to protect against potential future losses.

Summary of preferred equity investments

As of December 31, 2013 and 2012, we held the following preferred equity investments with an aggregate weighted average current yield of approximately 10.91% at December 31, 2013 (in thousands):



Type	December 31, 2013 Senior Financing		December 31, 2013 Carrying Value, Net of Discounts and Deferred Origination Fees		December 31, 2012 Carrying Value, Net of Discounts and Deferred Origination Fees		Initial Mandatory Redemption
Preferred equity(1)	$	525,000	$	115,198	$	99,768	July 2015
Preferred equity(1)(2)	55,747		25,896		18,925		April 2016
Preferred equity(1)	926,260		218,330		209,959		July 2016
Preferred equity	70,000		9,940		9,927		November 2017
	$	1,577,007	$	369,364	$	338,579

______________________________________________________________________


(1)	The difference between the pay and accrual rates is included as an addition to the principal balance outstanding.


(2)	As of December 31, 2013, the loan is fully funded.

Rollforward of total allowance for loan loss reserves

The following table is a rollforward of our total loan loss reserves at December 31, 2013, 2012 and 2011 (in thousands):



	December 31,
	2013			2012			2011
Balance at beginning of year	$	7,000		$	50,175		$	61,361
Expensed	—			3,000			10,875
Recoveries	—			(2,436		)	(4,370		)
Charge-offs and reclassifications	(6,000		)	(43,739		)	(17,691		)
Balance at end of period	$	1,000		$	7,000		$	50,175

Summary of impaired loans, which may include non-accrual loans

The following table presents impaired loans, which may include non-accrual loans, as of December 31, 2013 and 2012, respectively (in thousands):



	December 31, 2013						December 31, 2012
	Unpaid Principal Balance		Recorded Investment		Allowance Allocated		Unpaid Principal Balance		Recorded Investment		Allowance Allocated
With no related allowance recorded:
Commercial real estate	$	—	$	—	$	—	$	—	$	—	$	—
With an allowance recorded:
Commercial real estate	10,750		10,750		1,000		10,750		10,750		7,000
Total	$	10,750	$	10,750	$	1,000	$	10,750	$	10,750	$	7,000

Summary of average recorded investment in impaired loans, including non-accrual loans and the related investment and preferred equity income recognized



	Year Ended December 31,
	2013		2012
Average recorded investment in impaired loans	$	10,881	$	50,231
Investment income recognized	7,117		3,712

Investment in Unconsolidated Joint Ventures (Tables)

12 Months Ended

Dec. 31, 2013

Equity Method Investments and Joint Ventures [Abstract]

Schedule of general information on joint ventures

The table below provides general information on each of our joint ventures as of December 31, 2013 (amounts in thousands):



Property	Partner	Ownership Interest	Economic Interest	Square Feet	Acquisition Date	Acquisition Price(1)
100 Park Avenue	Prudential	49.90%	49.90%	834	January 2000	$	95,800
21 West 34th Street	Sutton	50.00%	50.00%	30	July 2005	22,400
1604-1610 Broadway(2)	Onyx	70.00%	70.00%	30	November 2005	4,400
717 Fifth Avenue(3)	Sutton/Private Investor	10.92%	10.92%	120	September 2006	251,900
800 Third Avenue	Private Investors	42.95%	42.95%	526	December 2006	285,000
1745 Broadway	Witkoff/SITQ/Lehman Bros.	32.26%	32.26%	674	April 2007	520,000
1 and 2 Jericho Plaza	Onyx/Credit Suisse	20.26%	20.26%	640	April 2007	210,000
The Meadows	Onyx	50.00%	50.00%	582	September 2007	111,500
388 and 390 Greenwich Street(4)	SITQ	50.60%	50.60%	2,600	December 2007	1,575,000
180/182 Broadway(5)	Harel/Sutton	25.50%	25.50%	71	February 2008	43,600
600 Lexington Avenue	CPPIB	55.00%	55.00%	304	May 2010	193,000
11 West 34th Street(6)	Private Investor/Sutton	30.00%	30.00%	17	December 2010	10,800
7 Renaissance	Cappelli	50.00%	50.00%	37	December 2010	4,000
3 Columbus Circle(7)	Moinian	48.90%	48.90%	769	January 2011	500,000
280 Park Avenue(8)	Vornado	50.00%	49.50%	1,237	March 2011	400,000
1552-1560 Broadway(9)	Sutton	50.00%	50.00%	49	August 2011	136,550
747 Madison Avenue(10)	Harel/Sutton	33.33%	33.33%	10	September 2011	66,250
724 Fifth Avenue	Sutton	50.00%	50.00%	65	January 2012	223,000
10 East 53rd Street	CPPIB	55.00%	55.00%	390	February 2012	252,500
33 Beekman(11)	Harel/Naftali	45.90%	45.90%	145	August 2012	31,000
West Coast office portfolio(12)	Blackstone	42.02%	43.74%	4,474	September 2012	880,103
521 Fifth Avenue(13)	Plaza	50.50%	50.50%	460	November 2012	315,000
21 East 66th Street(14)	Private Investors	32.28%	32.28%	17	December 2012	75,000
315 West 36th Street	Private Investors	35.50%	35.50%	148	December 2012	45,000
Herald Center(15)	AG	40.00%	40.00%	365	January 2013	50,000
650 Fifth Avenue(16)	Sutton	50.00%	50.00%	32	November 2013	—

______________________________________________________________________


(1)	Acquisition price represents the actual or implied gross purchase price for the joint venture.


(2)	In March 2013, Sutton conveyed his interest in this property to us. In January 2014, our ground lease position was terminated.

(3)


(4)	The property is subject to a triple-net lease arrangement with a single tenant, which expires in 2020. In December 2013, the joint venture signed an agreement extending the lease through December 31, 2035. The agreement includes an option for the tenant to acquire the property for a specified price during the period from December 1, 2017 through December 31, 2020.


(5)	In June 2013, the joint venture completed its redevelopment project. In July 2013, the lease for Pace University, or Pace, its primary tenant, commenced.


(6)	The property is subject to a long-term net lease arrangement.


(7)	As a result of the sale of a condominium interest in September 2012, Young & Rubicam, Inc., or Y&R, owns a portion of the property, generally floors three through eight referred to as Y&R units. Because the joint venture has an option to repurchase the Y&R units, no gain was recognized on this sale.

(8)

(9)


(10)	The joint venture owns 100% interest as tenant-in-common in 30 East 65th Street Corporation and the related proprietary lease of three cooperative apartment units in the building. In October 2013, the joint ventured acquired two additional cooperative apartment units in the building for $7.5 million.


(11)	The joint venture acquired the fee interest in the property and will develop an approximately 30 story building for student housing. Upon completion of the development, the joint venture will convey a long-term ground lease condominium interest in the building to Pace.

(12)

(13)


(14)	We hold a 32.28% interest in 3 retail and 2 residential units at the property and a 16.14% in 4 residential units at the property.


(15)	The joint venture owned a preferred equity interest in an entity that holds the interest in a mixed commercial use property located in Manhattan. The preferred equity bore interest at a rate of 8.75% per annum through its redemption date in December 2013.

(16)

Schedule of first mortgage notes payable collateralized by the respective joint venture properties and assignment of leases

The first mortgage notes and other loans payable collateralized by the respective joint venture properties and assignment of leases at December 31, 2013 and 2012, respectively, are as follows (amounts in thousands):



Property	Maturity Date	Interest Rate(1)		December 31, 2013		December 31, 2012
100 Park Avenue	September 2014	6.64	%	$	209,786	$	212,287
7 Renaissance	December 2015	10.00	%	1,276		856
11 West 34th Street	January 2016	4.82	%	17,205		17,491
280 Park Avenue	June 2016	6.57	%	706,886		710,000
21 West 34th Street	December 2016	5.76	%	100,000		100,000
1745 Broadway	January 2017	5.68	%	340,000		340,000
1 and 2 Jericho Plaza	May 2017	5.65	%	163,750		163,750
800 Third Avenue	August 2017	6.00	%	20,910		20,910
388 and 390 Greenwich Street⁽²⁾	December 2017	3.20	%	996,082		996,082
315 West 36th Street	December 2017	3.16	%	25,000		25,000
717 Fifth Avenue⁽³⁾	July 2022	4.45	%	300,000		300,000
21 East 66th Street⁽⁴⁾	April 2023	4.10	%	12,000		12,000
717 Fifth Avenue⁽³⁾	July 2024	9.00	%	304,000		294,509
1604-1610 Broadway⁽⁵⁾	—	5.66	%	27,000		27,000
Total fixed rate debt				$	3,223,895	$	3,219,885
West Coast office portfolio⁽⁶⁾	September 2014	3.93	%	526,290		745,025
747 Madison Avenue	October 2014	2.97	%	33,125		33,125
180/182 Broadway⁽⁷⁾	December 2014	2.94	%	89,893		71,524
The Meadows⁽⁸⁾	September 2015	7.75	%	67,350		57,000
3 Columbus Circle⁽⁹⁾	April 2016	2.38	%	239,233		247,253
1552 Broadway⁽¹⁰⁾	April 2016	3.48	%	158,690		113,869
Other loan payable	June 2016	1.09	%	30,000		30,000
724 Fifth Avenue	January 2017	2.54	%	120,000		120,000
10 East 53rd Street	February 2017	2.69	%	125,000		125,000
33 Beekman⁽¹¹⁾	August 2017	2.94	%	18,362		18,362
600 Lexington Avenue	October 2017	2.28	%	120,616		124,384
388 and 390 Greenwich Street⁽²⁾	December 2017	1.34	%	142,297		142,297
521 Fifth Avenue	November 2019	2.39	%	170,000		170,000
21 East 66th Street	June 2033	2.88	%	1,959		2,033
27-29 West 34th Street⁽¹²⁾				—		53,375
16 Court Street⁽¹³⁾				—		84,916
Total floating rate debt				$	1,842,815	$	2,138,163
Total joint venture mortgages and other loans payable				$	5,066,710	$	5,358,048

_________________________________


(1)	Effective weighted average interest rate for the year ended December 31, 2013, taking into account interest rate hedges in effect during the period.

(2)


(3)	In June 2012, the joint venture replaced the $245.0 million floating rate mortgage loan, which bore interest at 275 basis points over LIBOR and was due to mature in September 2012, with a $300.0 million fixed rate mortgage loan and $290.0 million mezzanine loan which is subject to accretion based on the difference between contractual interest rate and contractual pay rate.


(4)	In April 2013, the loan was refinanced at par and its maturity was extended to April 2023.


(5)	This loan went into default in November 2009 due to the non-payment of debt service.


(6)	As a result of the sale of three of its properties, the joint venture paid down $194.5 million of its mortgage and $20.5 million of its mezzanine loan.


(7)	This loan has a committed amount of $90.0 million. In November 2013, this loan was extended by one-year, subject to principal amortization through the maturity date.

(8)

(9)


(10)	In April 2013, we refinanced the previous $119.6 million mortgage with a $200.0 million three-year loan construction financing facility comprised of a $170.0 million mortgage loan and a $30.0 million mezzanine loan. The facility has two one-year extension options. As of December 31, 2013, $37.6 million of the mortgage loan and $3.7 million of the mezzanine loan remained unfunded.


(11)	This loan has a committed amount of $75.0 million, which is recourse to us. Our partner has indemnified us for its pro rata share of the recourse guarantee. A portion of the guarantee terminates upon the joint venture reaching certain milestones. We believe it is unlikely that we will be required to perform under this guarantee.


(12)	In May 2013, this loan was refinanced and its maturity was extended to May 2018. In December 2013, we sold our interest in the joint venture, inclusive of our share in the joint venture debt.


(13)	In April 2013, we acquired interests from our joint venture partner, CIF, and have consolidated the entity due to our controlling interest.

Schedule of combined balance sheets for the unconsolidated joint ventures

The combined balance sheets for the unconsolidated joint ventures, at December 31, 2013 and 2012, are as follows (in thousands):



	December 31,
	2013		2012
Assets
Commercial real estate property, net	$	6,846,021	$	6,910,991
Other assets	827,282		728,113
Total assets	$	7,673,303	$	7,639,104
Liabilities and members' equity
Mortgages and other loans payable	$	5,066,710	$	5,358,048
Other liabilities	596,960		406,929
Members' equity	2,009,633		1,874,127
Total liabilities and members' equity	$	7,673,303	$	7,639,104
Company's investments in unconsolidated joint ventures	$	1,113,218	$	1,032,243

Schedule of combined statements of income for the unconsolidated joint ventures

The combined statements of income for the unconsolidated joint ventures, from acquisition date through the years ended December 31, 2013, 2012 and 2011 are as follows (in thousands):



	Years Ended December 31,
	2013		2012			2011
Total revenues	$	628,649	$	511,157		$	480,935
Operating expenses	114,633		80,722			71,830
Ground rent	2,863		2,975			3,683
Real estate taxes	71,755		53,613			51,511
Interest expense, net of interest income	225,765		221,476			210,489
Amortization of deferred financing costs	17,092		9,739			12,911
Transaction related costs	808		2,044			2,665
Depreciation and amortization	192,504		166,336			137,070
Total expenses	625,420		536,905			490,159
Gain on early extinguishment of debt	—		21,421			—
Net income (loss) before gain on sale	$	3,229	$	(4,327	)	$	(9,224	)
Company's equity in net income from unconsolidated joint ventures	$	9,921	$	76,418		$	1,583

Deferred Costs (Tables)

12 Months Ended

Dec. 31, 2013

Deferred Costs [Abstract]

Schedule of components of deferred costs

Deferred costs at December 31, 2013 and 2012 consisted of the following (in thousands):



	December 31,
	2013			2012
Deferred leasing	$	326,379		$	285,931
Deferred financing	157,088			152,596
	483,467			438,527
Less accumulated amortization	(216,409		)	(177,382		)
Deferred costs, net	$	267,058		$	261,145

Mortgages and Other Loans Payable (Tables)

12 Months Ended

Dec. 31, 2013

Mortgages and Other Loans Payable

Schedule of first mortgages and other loans payable collateralized by the respective properties and assignment of leases

The first mortgages and other loans payable collateralized by the respective properties and assignment of leases at December 31, 2013 and 2012, respectively, were as follows (amounts in thousands):



Property	Maturity Date	Interest Rate(1)		December 31, 2013		December 31, 2012
609 Partners, LLC(2)	July 2014	5.00	%	$	23	$	23
125 Park Avenue	October 2014	5.75	%	146,250		146,250
711 Third Avenue	June 2015	4.99	%	120,000		120,000
625 Madison Avenue	November 2015	7.27	%	120,830		125,603
500 West Putnam	January 2016	5.52	%	23,529		24,060
420 Lexington Avenue	September 2016	7.15	%	182,641		184,992
Landmark Square	December 2016	4.00	%	82,909		84,486
485 Lexington Avenue	February 2017	5.61	%	450,000		450,000
120 West 45th Street	February 2017	6.12	%	170,000		170,000
762 Madison Avenue	February 2017	3.75	%	8,211		8,371
2 Herald Square	April 2017	5.36	%	191,250		191,250
885 Third Avenue	July 2017	6.26	%	267,650		267,650
Other loan payable(3)	September 2019	8.00	%	50,000		50,000
One Madison Avenue	May 2020	5.91	%	587,336		607,678
100 Church	July 2022	4.68	%	230,000		230,000
919 Third Avenue(4)	June 2023	5.12	%	500,000		500,000
400 East 57th Street	February 2024	4.13	%	70,000		70,000
400 East 58th Street	February 2024	4.13	%	30,000		30,000
1515 Broadway(5)	March 2025	3.93	%	900,000		—
300 Main Street(6)	—	—		—		11,500
220 East 42nd Street(7)	—	—		—		185,906
Total fixed rate debt				$	4,130,629	$	3,457,769
Master repurchase(8)	December 2014	3.28	%	91,000		116,667
16 Court Street(9)	April 2016	3.22	%	79,243		—
180 Maiden Lane(10)	November 2016	2.39	%	262,706		271,215
248-252 Bedford Avenue	March 2018	2.44	%	22,000		—
220 East 42nd Street(7)	October 2020	4.05	%	275,000		—
1515 Broadway(5)	—	—		—		769,813
Total floating rate debt				$	729,949	$	1,157,695
Total mortgages and other loans payable				$	4,860,578	$	4,615,464

_________________________________


(1)	Effective weighted average interest rate for the year ended December 31, 2013, taking into account interest rate hedges in effect during the period.


(2)	As part of an acquisition, the Operating Partnership issued 63.9 million units of its 5.0% Series E preferred units, or the Series E units, with a liquidation preference of $1.00 per unit. As of December 31, 2013, 22,658 Series E units remaining outstanding.


(3)	This loan is secured by a portion of a preferred equity investment.


(4)	We own a 51.0% controlling interest in the joint venture that is the borrower on this loan. This loan is non-recourse to us.


(5)	In April 2012, we refinanced the previous $447.2 million mortgage with a $775.0 million seven-year mortgage. In February 2013, we refinanced the previous $775.0 million mortgage with a new $900.0 million 12-year mortgage and realized a net loss on early extinguishment of debt of approximately $18.5 million, including a prepayment penalty of $7.6 million.


(6)	The property was sold in September 2013.


(7)	In October 2013, we closed on a $275.0 million seven-year mortgage. This new mortgage replaced the $185.9 million previous mortgage that was repaid in August 2013.

(8)


(9)	In April 2013, we acquired interests from our joint venture partner, CIF, and have consolidated the entity due to our controlling interest. In December 2013, we repaid $5.0 million of the principal balance and modified and extended the terms of the existing mortgage. The modified mortgage bears interest based on one-month LIBOR plus 350 basis points with a floor of 50 basis points.


(10)	In connection with this consolidated joint venture obligation, we executed a master lease agreement. Our partner has executed a contribution agreement to reflect its pro rata share of the obligation under the master lease.

Corporate Indebtedness (Tables)

12 Months Ended

Dec. 31, 2013

Debt Disclosure [Abstract]

Schedule of senior unsecured notes and other related disclosures by scheduled maturity date

The following table sets forth our senior unsecured notes and other related disclosures as of December 31, 2013 and 2012, respectively by scheduled maturity date (amounts in thousands):



Issuance	December 31, 2013 Unpaid Principal Balance		December 31, 2013 Accreted Balance		December 31, 2012 Accreted Balance		Coupon Rate(1)		Effective Rate		Term (in Years)	Maturity Date
August 13, 2004(2)(3)	$	75,898	$	75,898	$	75,898	5.88	%	5.88	%	10	August 15, 2014
March 31, 2006(2)(3)	255,308		255,206		255,165		6.00	%	6.00	%	10	March 31, 2016
October 12, 2010(4)	345,000		297,837		287,373		3.00	%	3.00	%	7	October 15, 2017
August 5, 2011(5)	250,000		249,681		249,620		5.00	%	5.00	%	7	August 15, 2018
March 16, 2010(5)	250,000		250,000		250,000		7.75	%	7.75	%	10	March 15, 2020
November 15, 2012(5)	200,000		200,000		200,000		4.50	%	4.50	%	10	December 1, 2022
June 27, 2005(2)(6)	7		7		7		4.00	%	4.00	%	20	June 15, 2025
March 26, 2007(7)	10,701		10,701		16,893		3.00	%	3.00	%	20	March 30, 2027
	$	1,386,914	$	1,339,330	$	1,334,956

_________________________________


(1)	Interest on the senior unsecured notes is payable semi-annually with principal and unpaid interest due on the scheduled maturity dates.


(2)	Issued by ROP.


(3)	On December 27, 2012, we repurchased $42.4 million of aggregate principal amount of these notes, consisting of $22.7 million of the 5.875% Notes and $19.7 million of the 6.0% Notes, for a total consideration of $46.4 million and realized a net loss on early extinguishment of debt of approximately $3.8 million.

(4)


(5)	Issued by the Company, the Operating Partnership and ROP, as co-obligors.

(6)

(7)

Schedule of combined aggregate principal maturities



	Scheduled Amortization		Principal Repayments		Revolving Credit Facility		Trust Preferred Securities		Tern Loan and Senior Unsecured Notes		Total		Joint Venture Debt
2014	$	43,976	$	237,273	$	—	$	—	$	75,898	$	357,147	$	398,312
2015	47,312		229,537		—		—		7		276,856		45,332
2016	55,938		594,017		—		—		255,308		905,263		604,510
2017	61,213		1,086,579		220,000		—		355,701		1,723,493		930,338
2018	64,205		21,363		—		—		650,000		735,568		28
Thereafter	247,407		2,171,758		—		100,000		450,000		2,969,165		173,944
	$	520,051	$	4,340,527	$	220,000	$	100,000	$	1,786,914	$	6,967,492	$	2,152,464

Schedule of consolidated interest expense, excluding capitalized interest

Consolidated interest expense, excluding capitalized interest, was comprised of the following (in thousands):



	Years Ended December 31,
	2013			2012			2011
Interest expense	$	332,276		$	331,516		$	287,252
Interest income	(2,061		)	(1,619		)	(2,004		)
Interest expense, net	$	330,215		$	329,897		$	285,248
Interest capitalized	$	11,475		$	12,218		$	5,123

- Definition

Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(e),(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
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-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21538-112644

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
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-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21521-112644

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

+ Details

Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2013

Schedule of amounts due from/to related parties

Amounts due from/to related parties at December 31, 2013 and 2012 consisted of the following (in thousands):



	December 31,
	2013		2012
Due from joint ventures	$	2,376	$	511
Other	6,154		7,020
Related party receivables	$	8,530	$	7,531

Due to a joint venture (included in Accounts payable and accrued expenses)	$	—	$	(8,401	)

Noncontrolling Interests on the Company's Consolidated Financial Statements (Tables)

12 Months Ended

Dec. 31, 2013

Noncontrolling Interest [Abstract]

Schedule of Noncontrolling Interest

Below is the rollforward analysis of the activity relating to the noncontrolling interests in the Operating Partnership (in thousands) as of December 31, 2013, and 2012:



	2013			2012
Balance at beginning of period	$	212,907		$	195,030
Distributions	(4,146		)	(3,296		)
Issuance of common units	24,750			42,239
Redemption of common units	(17,287		)	(87,513		)
Net income	3,023			5,597
Accumulated other comprehensive income (loss) allocation	611			(388		)
Fair value adjustment	45,618			61,238
Balance at end of period	$	265,476		$	212,907

Stockholders' Equity of the Company (Tables)

12 Months Ended

Dec. 31, 2013

Stockholders' Equity Note [Abstract]

Schedule of Earnings Per Share

Earnings per share for the years ended December 31, 2013, 2012 and 2011 is computed as follows (in thousands):



	December 31,
Numerator	2013		2012		2011
Basic Earnings:
Income attributable to SL Green common stockholders	$	101,330	$	155,984	$	617,232
Effect of Dilutive Securities:
Redemption of units to common shares	3,023		5,597		14,629
Stock options	—		—		—
Diluted Earnings:
Income attributable to SL Green common stockholders	$	104,353	$	161,581	$	631,861



	December 31,
Denominator	2013	2012	2011
Basic Shares:
Weighted average common stock outstanding	92,269	89,319	83,762
Effect of Dilutive Securities:
Redemption of units to common shares	2,735	3,207	1,985
3.0% exchangeable senior debentures due 2017	—	—	—
3.0% exchangeable senior debentures due 2027	—	—	—
4.0% exchangeable senior debentures due 2025	—	—	—
Stock-based compensation plans	262	347	497
Diluted weighted average common stock outstanding	95,266	92,873	86,244

Partners' Capital of the Operating Partnership (Tables)

12 Months Ended

Dec. 31, 2013

Equity [Abstract]

Schedule of calculation of numerator and denominator in earnings per unit

Earnings per unit for the years ended December 31, 2013, 2012 and 2011 is computed as follows (in thousands):



	December 31,
Numerator	2013		2012		2011
Basic Earnings:
Income attributable to SLGOP common unitholders	$	104,353	$	161,581	$	631,861
Effect of Dilutive Securities:
Stock options	—		—		—
Diluted Earnings:
Income attributable to SLGOP common unitholders	$	104,353	$	161,581	$	631,861



	December 31,
Denominator	2013	2012	2011
Basic units:
Weighted average common units outstanding	95,004	92,526	85,747
Effect of Dilutive Securities:
3.0% exchangeable senior debentures due 2017	—	—	—
3.0% exchangeable senior debentures due 2027	—	—	—
4.0% exchangeable senior debentures due 2025	—	—	—
Stock-based compensation plans	262	347	497
Diluted weighted average common units outstanding	95,266	92,873	86,244

Share-based Compensation (Tables)

12 Months Ended

Dec. 31, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of weighted average assumptions used to estimate the grant date fair value of options granted



	2013		2012		2011
Dividend yield	1.92	%	2.00	%	2.00	%
Expected life of option	4.1 years		3.7 years		4.2 years
Risk-free interest rate	0.96	%	0.46	%	1.00	%
Expected stock price volatility	36.12	%	37.40	%	47.98	%

Summary of the status of stock options and changes during the period

A summary of the status of our stock options as of December 31, 2013, 2012 and 2011 and changes during the years then ended are presented below:



	2013					2012					2011
	Options Outstanding			Weighted Average Exercise Price		Options Outstanding			Weighted Average Exercise Price		Options Outstanding			Weighted Average Exercise Price
Balance at beginning of year	1,201,000			$	75.05	1,277,200			$	63.37	1,353,002			$	58.85
Granted	828,100			87.23		361,331			75.36		212,400			66.42
Exercised	(223,531		)	53.93		(382,612		)	36.65		(243,901		)	40.48
Lapsed or cancelled	(40,535		)	83.94		(54,919		)	72.99		(44,301		)	65.89
Balance at end of year	1,765,034			$	83.24	1,201,000			$	75.05	1,277,200			$	63.37
Options exercisable at end of year	461,458			$	89.38	479,913			$	86.85	644,429			$	72.31
Weighted average fair value of options granted during the year	$	18,041,576				$	6,602,967				$	4,647,554

Summary of restricted stock and charges during the period

A summary of our restricted stock as of December 31, 2013, 2012 and 2011 and charges during the years then ended are presented below:



	2013			2012			2011
Balance at beginning of year	2,804,901			2,912,456			2,728,290
Granted	192,563			92,729			185,333
Cancelled	(3,267		)	(200,284		)	(1,167		)
Balance at end of year	2,994,197			2,804,901			2,912,456
Vested during the year	21,074			408,800			66,299
Compensation expense recorded	$	6,713,155		$	6,930,381		$	17,365,401
Weighted average fair value of restricted stock granted during the year	$	17,386,949		$	7,023,942		$	21,768,084

Accumulated Other Comprehensive Loss of the Company (Tables)

12 Months Ended

Dec. 31, 2013

SL Green Realty Corp

Accumulated Other Comprehensive Income (Loss) [Line Items]

Schedule of Accumulated Other Comprehensive Income (Loss)

The following tables set forth the changes in accumulated other comprehensive income (loss) by component as of December 31, 2013, 2012 and 2011:



	Net unrealized loss on derivative instruments (1)			SL Green’s share of joint venture net unrealized loss on derivative instruments (2)			Unrealized gains and loss on marketable securities			Total
Balance at December 31, 2010	$	(14,009	)	$	(18,303	)	$	9,653		$	(22,659	)
Other comprehensive (loss) income before reclassifications	(5,019		)	(9,914		)	(4,682		)	(19,615		)
Amounts reclassified from accumulated other comprehensive income (loss)	1,518			10,816			1,495			13,829
Balance at December 31, 2011	(17,510		)	(17,401		)	6,466			(28,445		)
Other comprehensive (loss) income before reclassifications	(1,124		)	(9,098		)	(4,879		)	(15,101		)
Amounts reclassified from accumulated other comprehensive income (loss)	1,800			10,436			1,723			13,959
Balance at December 31, 2012	(16,834		)	(16,063		)	3,310			(29,587		)
Other comprehensive (loss) income before reclassifications	(168		)	6,267			1,474			7,573
Amounts reclassified from accumulated other comprehensive income (loss)	1,877			4,926			—			6,803
Balance at December 31, 2013	$	(15,125	)	$	(4,870	)	$	4,784		$	(15,211	)

___________________________

(1)


(2)	Amount reclassified from accumulated other comprehensive income (loss) is included in equity in net income from unconsolidated joint ventures in the respective consolidated statements of income.

Accumulated Other Comprehensive Loss of the Operating Partnership (Tables)

12 Months Ended

Dec. 31, 2013

SL Green Operating Partnership

Accumulated Other Comprehensive Income (Loss) [Line Items]

Schedule of Accumulated Other Comprehensive Income (Loss)

The following tables set forth the changes in accumulated other comprehensive income (loss) by component as of December 31, 2013, 2012 and 2011:



	Net unrealized loss on derivative instruments (1)			SLGOP’s share of joint venture net unrealized loss on derivative instruments (2)			Unrealized gains and loss on marketable securities			Total
Balance at December 31, 2010	$	(14,246	)	$	(18,613	)	$	9,817		$	(23,042	)
Other comprehensive loss before reclassifications	(5,699		)	(10,273		)	(4,261		)	(20,233		)
Amounts reclassified from accumulated other comprehensive income (loss)	1,554			11,072			1,530			$	14,156
Balance at December 31, 2011	$	(18,391	)	$	(17,814	)	$	7,086		$	(29,119	)
Other comprehensive loss before reclassifications	(912		)	(9,637		)	(5,442		)	(15,991		)
Amounts reclassified from accumulated other comprehensive income (loss)	1,865			10,811			1,785			14,461
Balance at December 31, 2012	$	(17,438	)	$	(16,640	)	$	3,429		$	(30,649	)
Other comprehensive (loss) income before reclassifications	(68		)	6,553			1,497			7,982
Amounts reclassified from accumulated other comprehensive income (loss)	1,933			5,072			—			7,005
Balance at December 31, 2013	$	(15,573	)	$	(5,015	)	$	4,926		$	(15,662	)

___________________________

(1)

Amount reclassified from accumulated other comprehensive income (loss) is included in interest expense in the respective consolidated statements of income. As of December 31, 2013, 2012 and 2011, the deferred net losses from these terminated hedges, which is included in accumulated other comprehensive loss relating to net unrealized loss on derivative instrument, was approximately $14.2 million, $15.5 million and $16.7 million, respectively.


(2)	Amount reclassified from accumulated other comprehensive income (loss) is included in equity in net income from unconsolidated joint ventures in the respective consolidated statements of income.

Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2013

Fair Value Disclosures [Abstract]

Fair Value Measurements, Recurring and Nonrecurring



	December 31, 2013
	Total		Level 1		Level 2		Level 3
Assets:
Marketable securities	$	32,049	$	4,307	$	24,419	$	3,323
Liabilities:
Interest rate swap agreements (included in accrued interest payable and other liabilities)	$	1,329	—		$	1,329	—



	December 31, 2012
	Total		Level 1		Level 2		Level 3
Assets:
Marketable securities	$	21,429	$	2,202	$	15,575	$	3,652
Liabilities:
Interest rate swap agreements (included in accrued interest payable and other liabilities)	$	1,959	—		$	1,959	—

Fair Value, by Balance Sheet Grouping

The following table provides the carrying value and fair value of these financial instruments as of December 31, 2013 and 2012 (in thousands):



	December 31, 2013				December 31, 2012
	Carrying Value		Fair Value		Carrying Value		Fair Value

Debt and preferred equity investments	$	1,304,839	(1)		$	1,348,434	(1)

Fixed rate debt	$	5,599,960	5,886,980		$	4,922,725	$	5,334,244
Variable rate debt	1,319,948		1,327,422		1,597,695		1,557,494
	$	6,919,908	$	7,214,402	$	6,520,420	$	6,891,738

_____________________________________


(1)	Debt and preferred equity investments had an estimated fair value ranging between $1.3 billion and $1.4 billion at both December 31, 2013 and 2012.

Financial Instruments: Derivatives and Hedging (Tables)

12 Months Ended

Dec. 31, 2013

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of notional and fair value of derivative financial instruments and foreign currency hedges



	Notional Value		Strike Rate		Effective Date	Expiration Date	Balance Sheet Location	Fair Value
Interest Rate Cap	$	263,426	6.000	%	November 2013	November 2015	Other Assets	$	9
Interest Rate Cap	137,500		4.000	%	October 2013	September 2015	Other Assets	7
Interest Rate Swap	30,000		2.295	%	July 2010	June 2016	Other Liabilities	(1,293		)
Interest Rate Swap	8,500		0.740	%	February 2012	February 2015	Other Liabilities	(45		)
								$	(1,322	)

Schedule of effect of derivative financial instruments on consolidated statements of income



	Amount of Gain or (Loss) Recognized in Other Comprehensive Loss (Effective Portion)									Location of Gain or (Loss) Reclassified from Accumulated Other Comprehensive Loss into Income	Amount of Loss Reclassified from Accumulated Other Comprehensive Loss into Income (Effective Portion)						Location of Gain (Loss) Recognized in Income on Derivative	Amount of Gain or (Loss) or Recognized into Income (Ineffective Portion)
	Years Ended December 31,										Years Ended December 31,						Location of Gain (Loss) Recognized in Income on Derivative	Years Ended December 31,
Derivative	2013			2012			2011				2013		2012		2011			2013		2012		2011
Interest Rate Swaps/Caps	$	(68	)	(912		)	$	(5,699	)	Interest expense	$	1,933	1,865		$	1,554	Interest expense	$	3	3		$	(16	)
Share of unconsolidated joint ventures' derivative instruments	6,553			(9,637		)	(10,273		)	Equity in net income from unconsolidated joint ventures	5,072		10,811		11,072		Equity in net income from unconsolidated joint ventures	—		—		—
	$	6,485		$	(10,549	)	$	(15,972	)		$	7,005	$	12,676	$	12,626		$	3	$	3	$	(16	)

- Definition

Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41641-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41678-113959

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41638-113959

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5580258-113959

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579245-113959

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 25
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579240-113959

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41620-113959

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(n)(2))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

Rental Income (Tables)

12 Months Ended

Dec. 31, 2013

Leases [Abstract]

Schedule of approximate future minimum rents to be received over the next five years and thereafter

Approximate future minimum rents to be received over the next five years and thereafter for non-cancelable operating leases in effect at December 31, 2013 for the consolidated properties, including consolidated joint venture properties, and our share of unconsolidated joint venture properties are as follows (in thousands):



	Consolidated Properties		Unconsolidated Properties
2014	$	992,002	$	245,879
2015	939,016		195,447
2016	870,664		214,616
2017	792,471		201,671
2018	733,754		202,309
Thereafter	3,785,428		1,911,877
	$	8,113,335	$	2,971,799

Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2013

Compensation and Retirement Disclosure [Abstract]

Schedule of contributions made to multi-employer plans

Contributions we made to the multi-employer plans for the years ended December 31, 2013, 2012 and 2011 are included in the table below (in thousands):



Benefit Plan	2013		2012		2011
Pension Plan	$	2,765	$	2,506	$	2,264
Health Plan	8,522		8,020		6,919
Other plans	6,006		6,025		5,111
Total plan contributions	$	17,293	$	16,551	$	14,294

Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2013

Commitments and Contingencies Disclosure [Abstract]

Schedule of future minimum lease payments under capital leases and non cancellable operating leases

The following is a schedule of future minimum lease payments under capital leases and noncancellable operating leases with initial terms in excess of one year as of December 31, 2013 (in thousands):



December 31,	Capital lease			Non-cancellable operating leases
2014	$	2,292		$	35,356
2015	2,363			35,511
2016	2,531			35,943
2017	2,652			36,176
2018	2,652			36,176
Thereafter	353,826			1,409,808
Total minimum lease payments	366,316			$	1,588,970
Less amount representing interest	(318,645		)
Present value of net minimum lease payments	$	47,671

Segment Information (Tables)

12 Months Ended

Dec. 31, 2013

Segment Reporting [Abstract]

Schedule of selected results of operations and selected asset information



	Real Estate Segment			Debt and Preferred Equity Segment		Total Company
Total revenues
Years ended:
December 31, 2013	$	1,275,234		$	193,843	$	1,469,077
December 31, 2012	1,263,574			119,155		1,382,729
December 31, 2011	1,126,441			120,418		1,246,859
Income from continuing operations before equity in net gain on sale of interest in unconsolidated joint venture/real estate and purchase price fair value adjustment
Years ended:
December 31, 2013	$	(27,024	)	$	160,386	$	133,362
December 31, 2012	60,455			92,946		153,401
December 31, 2011	20,327			101,037		121,364
Total assets
As of:
December 31, 2013	$	13,641,727		$	1,317,274	$	14,959,001
December 31, 2012	13,028,406			1,357,890		14,386,296

Schedule of reconciliation of income from continuing operations to net income attributable to SL Green common stockholders

The table below reconciles income from continuing operations to net income for the years ended December 31, 2013, 2012 and 2011 (in thousands):



	Years ended December 31,
	2013			2012		2011
Income from continuing operations before equity in net gain on sale of interest in unconsolidated joint venture/real estate and purchase price fair value adjustment	$	133,362		$	153,401	$	121,364
Equity in net gain on sale of interest in unconsolidated joint venture/real estate	3,601			37,053		2,918
Purchase price fair value adjustment	(2,305		)	—		498,195
Income from continuing operations	134,658			190,454		622,477
Net income from discontinued operations	1,725			12,619		8,560
Gain on sale of discontinued operations	14,900			6,627		46,085
Net income	$	151,283		$	209,700	$	677,122

Quarterly Financial Data (unaudited) (Tables)

12 Months Ended

Dec. 31, 2013

SL Green Realty Corp

Condensed Income Statements, Captions [Line Items]

Schedule of Quarterly Financial Information



2013 Quarter Ended	December 31			September 30			June 30			March 31
Total revenues	$	374,699		$	363,765		$	365,145		$	365,468
Income from continuing before equity in net gain (loss) on sale of interest in unconsolidated joint venture/real estate, purchase price fair value adjustment, gain (loss) on early extinguishment of debt, loss on sale of investment in marketable securities, net of noncontrolling interests	$	33,314		$	25,924		$	34,019		$	42,776
Equity in net gain (loss) on sale of interest in unconsolidated joint venture/real estate	7,538			(354		)	(3,583		)	—
Purchase price fair value adjustment	—			—			(2,305		)	—
Gain (loss) on early extinguishment of debt	5			—			(10		)	(18,513		)
Loss on sale of investment in marketable securities	—			—			(8		)	(57		)
Net income (loss) from discontinued operations	—			1,406			(678		)	997
Gain on sale of discontinued operations	—			13,787			—			1,113
Net income attributable to SL Green	40,857			40,763			27,435			26,316
Preferred stock redemption costs	—			—			(12,160		)	—
Perpetual preferred stock dividends	(3,737		)	(3,738		)	(6,999		)	(7,407		)
Net income attributable to SL Green common stockholders	$	37,120		$	37,025		$	8,276		$	18,909
Net income attributable to common stockholders per common share—basic	$	0.39		$	0.40		$	0.09		$	0.21
Net income attributable to common stockholders per common share—diluted	$	0.39		$	0.40		$	0.09		$	0.21



2012 Quarter Ended	December 31			September 30			June 30			March 31
Total revenues	$	346,599		$	357,011		$	344,535		$	334,585
Income from continuing before equity in net gain (loss) on sale of interest in unconsolidated joint venture/real estate, loss on early extinguishment of debt, gain on sale of investment in marketable securities, net of noncontrolling interests	$	2,624		$	27,276		$	94,362		$	17,882
Equity in net gain (loss) on sale of interest in unconsolidated joint venture/ real estate	19,277			(4,807		)	15,323			7,260
Loss on early extinguishment of debt	(6,978		)	—			—			—
Gain on sale of investment in marketable securities	2,703			2,237			—			—
Net income from discontinued operations	9,737			951			899			1,032
Gain on sale of discontinued operations	—			—			—			6,627
Net income attributable to SL Green	27,363			25,657			110,584			32,801
Preferred stock redemption costs	—			(10,010		)	—			—
Perpetual preferred stock dividends	(7,407		)	(7,915		)	(7,544		)	(7,545		)
Net income attributable to SL Green common stockholders	$	19,956		$	7,732		$	103,040		$	25,256
Net income attributable to common stockholders per common share—basic	$	0.22		$	0.09		$	1.15		$	0.29
Net income attributable to common stockholders per common share—diluted	$	0.22		$	0.09		$	1.14		$	0.29

SL Green Operating Partnership

Condensed Income Statements, Captions [Line Items]

Schedule of Quarterly Financial Information



2013 Quarter Ended	December 31			September 30			June 30			March 31
Total revenues	$	374,699		$	363,765		$	365,145		$	365,468
Income from continuing before equity in net gain (loss) on sale of interest in unconsolidated joint venture/real estate, purchase price fair value adjustment, gain (loss) on early extinguishment of debt, loss on sale of investment in marketable securities, net of noncontrolling interests	$	34,428		$	27,034		$	34,263		$	43,331
Equity in net (loss) gain on sale of interest in unconsolidated joint venture/ real estate	7,538			(354		)	(3,583		)	—
Purchase price fair value adjustment	—			—			(2,305		)	—
Gain (loss) on early extinguishment of debt	5			—			(10		)	(18,513		)
Loss on sale of investment in marketable securities	—			—			(8		)	(57		)
Net income (loss) from discontinued operations	—			1,406			(678		)	997
Gain on sale of discontinued operations	—			13,787			—			1,113
Net income attributable to SLGOP	41,971			41,873			27,679			26,871
Preferred unit redemption costs	—			—			(12,160		)	—
Perpetual preferred units distributions	(3,737		)	(3,738		)	(6,999		)	(7,407		)
Net income attributable to SLGOP common unitholders	$	38,234		$	38,135		$	8,520		$	19,464
Net income attributable to common unitholders per common unit—basic	$	0.39		$	0.40		$	0.09		$	0.21
Net income attributable to common unitholders per common unit—diluted	$	0.39		$	0.40		$	0.09		$	0.21



2012 Quarter Ended	December 31			September 30			June 30			March 31
Total revenues	$	346,598		$	357,011		$	344,535		$	334,585
Income from continuing before equity in net gain (loss) on sale of interest in unconsolidated joint venture/real estate, loss on early extinguishment of debt, gain on sale of investment in marketable securities, net of noncontrolling interests	$	3,345		$	27,843		$	97,783		$	18,770
Equity in net gain (loss) on sale of interest in unconsolidated joint venture/ real estate	19,277			(4,807		)	15,323			7,260
Loss on early extinguishment of debt	(6,978		)	—			—			—
Gain on sale of investment in marketable securities	2,703			2,237			—			—
Net income from discontinued operations	9,737			951			899			1,032
Gain on sale of discontinued operations	—			—			—			6,627
Net income attributable to SLGOP	28,084			26,224			114,005			33,689
Preferred unit redemption costs	—			(10,010		)	—			—
Perpetual preferred distributions	(7,407		)	(7,915		)	(7,544		)	(7,545		)
Net income attributable to SLGOP common unitholders	$	20,677		$	8,299		$	106,461		$	26,144
Net income attributable to common unitholders per common unit—basic	$	0.22		$	0.09		$	1.15		$	0.29
Net income attributable to common unitholders per common unit—diluted	$	0.22		$	0.09		$	1.14		$	0.29

Organization and Basis of Presentation (Details) - SL Green Operating Partnership	1 Months Ended
	Jun. 30, 1997	Dec. 31, 2013	Dec. 31, 2012
Organization
Percentage of ownership in SL Green Management LLC owned by operating partnership (percent)	100.00%
Noncontrolling interest in the operating partnership (as a percent)		2.96%	2.94%
Service Corporation
Organization
Economic interest in variable interest entity (as a percent)	95.00%

Organization and Basis of Presentation (Details 2)
$ in Thousands

12 Months Ended

Dec. 31, 2013

USD ($)

ft²

property

unit

building

Dec. 31, 2012

USD ($)

Real estate properties

Number of buildings (buildings) | building

Square Feet (sqft)

28,549,979

Weighted Average Occupancy (as a percent)

^[1]

92.50%

Debt and preferred equity investments | $

$ 1,304,839

$ 1,348,434

Number of shares to be received on redemption of one unit of limited partnership interests (shares) | shares

Stand-alone retail properties

Real estate properties

Number of buildings (buildings) | building

Square Feet (sqft)

875,800

Development

Real estate properties

Number of buildings (buildings) | building

Square Feet (sqft)

3,230,800

Residential properties

Real estate properties

Number of buildings (buildings) | building

Square Feet (sqft)

719,900

Number of units (unit) | unit

801

Land

Real estate properties

Square Feet (sqft)

961,400

Number of properties (properties) | property

Managed office properties

Real estate properties

Square Feet (sqft)

626,400

Number of office properties managed (property) | property

Manhattan | Consolidated properties

Real estate properties

Number of buildings (buildings) | building

Square Feet (sqft)

17,306,045

Weighted Average Occupancy (as a percent)

^[1]

94.50%

Manhattan | Unconsolidated properties

Real estate properties

Number of buildings (buildings) | building

Square Feet (sqft)

5,934,434

Weighted Average Occupancy (as a percent)

^[1]

96.60%

Suburban | Consolidated properties

Real estate properties

Number of buildings (buildings) | building

Square Feet (sqft)

4,087,400

Weighted Average Occupancy (as a percent)

^[1]

79.80%

Suburban | Unconsolidated properties

Real estate properties

Number of buildings (buildings) | building

Square Feet (sqft)

1,222,100

Weighted Average Occupancy (as a percent)

^[1]

87.20%

Southern California | Office properties

Real estate properties

Number of buildings (buildings) | building

Square Feet (sqft)

3,654,300

Number of properties (properties) | property

[1]	The weighted average occupancy represents the total leased square feet divided by total available rentable square feet.

Significant Accounting Policies (Details) - USD ($) $ in Thousands	Dec. 31, 2013	Dec. 31, 2012
Principles of Consolidation
Commercial real estate properties	$ 10,687,540	$ 10,269,630
Mortgages and other loans payable	4,860,578	4,615,464
Consolidated VIEs
Principles of Consolidation
Commercial real estate properties	605,900	607,400
Mortgages and other loans payable	$ 370,900	$ 379,600

Significant Accounting Policies (Details 2) - USD ($) $ in Thousands	1 Months Ended		12 Months Ended
	Jun. 30, 2013	Apr. 30, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Investment in Commercial Real Estate Properties
Depreciation expense (including amortization of the capital lease asset)			$ 309,400	$ 301,000	$ 249,000
Impairment charges recorded					5,800
Period from cessation of major construction to consider construction project as complete and available for occupancy, maximum			1 year
Purchase price fair value adjustment			$ (2,305)	0	498,195
Increase in rental revenue from amortization of acquired leases			13,500	10,400	19,600
Write-off of above and in place market leases			6,800
Reduction in interest expense from amortization of above-market rate mortgages			(5,300)	(1,800)	$ (5,900)
Identified intangible assets (included in other assets):
Gross amount			746,704	725,861
Accumulated amortization			(343,339)	(263,107)
Net			403,365	462,754
Identified intangible liabilities (included in deferred revenue):
Gross amount			671,380	651,921
Accumulated amortization			(429,138)	(357,225)
Net			$ 242,242	$ 294,696
Other intangible assets \| Minimum
Investment in Commercial Real Estate Properties
Estimated useful life of other intangible assets			1 year
Other intangible assets \| Maximum
Investment in Commercial Real Estate Properties
Estimated useful life of other intangible assets			14 years
Above-market leases \| Minimum
Investment in Commercial Real Estate Properties
Estimated useful life of other intangible assets			1 year
Above-market leases \| Maximum
Investment in Commercial Real Estate Properties
Estimated useful life of other intangible assets			14 years
In-place leases \| Minimum
Investment in Commercial Real Estate Properties
Estimated useful life of other intangible assets			1 year
In-place leases \| Maximum
Investment in Commercial Real Estate Properties
Estimated useful life of other intangible assets			14 years
Acquired below-market leases, net of acquired above-market leases
Estimated annual amortization
2014			$ (1,984)
2015			(2,464)
2016			(4,632)
2017			(3,758)
2018			(4,763)
All other identifiable assets
Estimated annual amortization
2014			14,938
2015			10,387
2016			6,878
2017			5,482
2018			$ 3,978
300 Main Street
Investment in Commercial Real Estate Properties
Impairment charges recorded	$ 2,200
16 Court Street
Investment in Commercial Real Estate Properties
Purchase price fair value adjustment		$ (2,300)
Buildings (fee ownership)
Investment in Commercial Real Estate Properties
Estimated useful life			40 years
Building (leasehold interest) \| Maximum
Investment in Commercial Real Estate Properties
Estimated useful life			40 years
Furniture and fixtures \| Minimum
Investment in Commercial Real Estate Properties
Estimated useful life			4 years
Furniture and fixtures \| Maximum
Investment in Commercial Real Estate Properties
Estimated useful life			7 years
Building \| Minimum
Investment in Commercial Real Estate Properties
Estimated useful life			3 years
Building \| Maximum
Investment in Commercial Real Estate Properties
Estimated useful life			40 years

Significant Accounting Policies (Details 3) - USD ($)	3 Months Ended								12 Months Ended
Significant Accounting Policies (Details 3) - USD ($)	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Investment in Marketable Securities
Marketable securities	$ 32,049,000				$ 21,429,000				$ 32,049,000	$ 21,429,000
Net proceeds on sale of marketable securities									0	6,800,000	$ 6,200,000
Realized gain (loss) on investment in marketable securities	0	$ 0	$ (8,000)	$ (57,000)	2,703,000	$ 2,237,000	$ 0	$ 0	0	4,900,000	4,500,000
Proceeds from sale and maturity of marketable securities									2,370,000	11,070,000	40,248,000
Commercial mortgage-backed securities
Investment in Marketable Securities
Cost basis	23,000,000				13,700,000				23,000,000	13,700,000
Rake bonds
Investment in Marketable Securities
Cost basis	3,600,000				3,700,000				3,600,000	3,700,000
Realized gain (loss) on investment in marketable securities											400,000
Proceeds from sale and maturity of marketable securities											$ 22,500,000
Level 1 \| Equity marketable securities
Investment in Marketable Securities
Marketable securities	4,307,000				2,202,000				4,307,000	2,202,000
Level 2 \| Commercial mortgage-backed securities
Investment in Marketable Securities
Marketable securities	24,419,000				15,575,000				24,419,000	15,575,000
Level 3 \| Rake bonds
Investment in Marketable Securities
Marketable securities	3,323,000				3,652,000				3,323,000	3,652,000
Fair Value
Investment in Marketable Securities
Marketable securities	$ 32,049,000				$ 21,429,000				$ 32,049,000	$ 21,429,000

Significant Accounting Policies (Details 4) $ in Millions	12 Months Ended
Significant Accounting Policies (Details 4) $ in Millions	Dec. 31, 2013 USD ($) jointventure	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2010 investment
Investment in Unconsolidated Joint Ventures
Impairment charges recorded			$ 5.8
Number of investments with other than temporary impairment (investment) \| investment				1
Deferred Lease Costs
Portion of compensation capitalized	$ 12.4	$ 11.0	$ 9.6
Estimated average lease term	7 years
Joint venture
Investment in Unconsolidated Joint Ventures
Recourse debt	$ 218.4
Number of joint ventures with debt recourse (joint ventures) \| jointventure	2

Significant Accounting Policies (Details 5) - USD ($)	12 Months Ended
Significant Accounting Policies (Details 5) - USD ($)	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Reserve for Possible Credit Losses
Days past due for income recognition on debt and preferred equity investments to be suspended	90 days
Loan loss reserves and charge offs	$ 0	$ 564,000	$ 6,722,000
Recoveries recorded	0	2,436,000	4,370,000
Income taxes
Federal, state and local tax provision	$ 4,400,000	0	0
Debt and Preferred Equity Investments Held to Maturity
Reserve for Possible Credit Losses
Loan loss reserves and charge offs		$ 3,000,000	$ 10,900,000

Significant Accounting Policies (Details 6)	12 Months Ended
Significant Accounting Policies (Details 6)	Dec. 31, 2013 agreement investment Tenant	Dec. 31, 2012	Dec. 31, 2011
Credit concentration
Concentration of Credit Risk
Number of investments (investment) \| investment	3
Workforce concentration
Concentration of Credit Risk
Number of collective bargaining agreements (agreement) \| agreement	3
Annualized rent \| Customer concentration
Concentration of Credit Risk
Number of tenants (tenants) \| Tenant	3
Maximum percentage of annualized rent for any one tenant not individually disclosed (percent)	2.20%
Annualized rent \| 1515 Broadway \| Customer concentration
Concentration of Credit Risk
Percentage of concentration (percent)	10.60%	10.20%	10.30%
Annualized rent \| 919 Third Avenue \| Customer concentration
Concentration of Credit Risk
Percentage of concentration (percent)	7.80%	8.00%	8.30%
Annualized rent \| 1185 Avenue of the Americas \| Customer concentration
Concentration of Credit Risk
Percentage of concentration (percent)	7.70%	7.10%	7.20%
Annualized rent \| One Madison Avenue \| Customer concentration
Concentration of Credit Risk
Percentage of concentration (percent)	6.40%	6.20%	6.50%
Annualized rent \| Tenant 1 \| Customer concentration
Concentration of Credit Risk
Percentage of concentration (percent)	7.50%
Annualized rent \| Tenant 2 \| Customer concentration
Concentration of Credit Risk
Percentage of concentration (percent)	6.60%
Annualized rent \| Tenant 3 \| Customer concentration
Concentration of Credit Risk
Percentage of concentration (percent)	6.10%
Revenue earned on debt and preferred equity investments \| Credit concentration
Concentration of Credit Risk
Minimum revenue on debt and preferred equity investments (percent)	10.00%
Collective bargaining arrangements \| Workforce concentration
Concentration of Credit Risk
Percentage of concentration (percent)	73.90%
Collective bargaining arrangements which expires in 2015 \| Workforce concentration
Concentration of Credit Risk
Percentage of concentration (percent)	77.30%

Property Acquisitions (Details)

1 Months Ended

12 Months Ended

Nov. 30, 2013

USD ($)

ft²

unit

Apr. 30, 2013

USD ($)

ft²

Mar. 31, 2013

USD ($)

unit

Dec. 31, 2012

USD ($)

ft²

Oct. 31, 2012

USD ($)

ft²

unit

Sep. 30, 2012

USD ($)

Jun. 30, 2012

USD ($)

ft²

Jan. 31, 2012

USD ($)

ft²

property

unit

Nov. 30, 2011

USD ($)

ft²

May 31, 2011

USD ($)

ft²

Apr. 30, 2011

USD ($)

ft²

Jan. 31, 2011

USD ($)

ft²

Dec. 31, 2013

USD ($)

ft²

Dec. 31, 2012

USD ($)

ft²

Dec. 31, 2011

USD ($)

Sep. 30, 2013

ft²

Property Acquisitions

Area of property (sqft) | ft²

28,549,979

Purchase price fair value adjustment

$ (2,305,000)

$ 0

$ 498,195,000

Recognized Identifiable Assets Acquired and Liabilities Assumed

Fixed rate debt

$ 3,457,769,000

$ 4,130,629,000

$ 3,457,769,000

315 West 33rd Street

Recognized Identifiable Assets Acquired and Liabilities Assumed

Land

^[1]

$ 116,033,000

Building and building leasehold

^[1]

270,742,000

Above market lease value

^[1]

Acquired in-place leases

^[1]

Other assets, net of other liabilities

^[1]

Assets acquired

^[1]

386,775,000

Mark-to-market assumed debt

^[1]

Below market lease value

^[1]

Liabilities assumed

^[1]

Purchase price allocation

^[1]

386,775,000

Net consideration funded by us at closing, excluding consideration financed by debt

^[1]

386,775,000

Equity and/or debt investment held

^[1]

Debt assumed

^[1]

$ 0

Retail Properties on Fifth Avenue

Property Acquisitions

Area of property (sqft) | ft²

66,692

Business Combination, Consideration Transferred

$ 146,000,000

Recognized Identifiable Assets Acquired and Liabilities Assumed

Land

^[1]

43,800,000

Building and building leasehold

^[1]

102,200,000

Above market lease value

^[1]

Acquired in-place leases

^[1]

Other assets, net of other liabilities

^[1]

Assets acquired

^[1]

146,000,000

Mark-to-market assumed debt

^[1]

Below market lease value

^[1]

Liabilities assumed

^[1]

Purchase price allocation

^[1]

146,000,000

Net consideration funded by us at closing, excluding consideration financed by debt

^[1]

146,000,000

Equity and/or debt investment held

^[1]

Debt assumed

^[1]

$ 0

16 Court Street

Property Acquisitions

Area of property (sqft) | ft²

318,000

Business Combination, Consideration Transferred

$ 4,000,000

Mortgage encumbering the property

84,600,000

Purchase price fair value adjustment

(2,300,000)

Recognized Identifiable Assets Acquired and Liabilities Assumed

Land

19,217,000

Building and building leasehold

63,210,000

Above market lease value

5,122,000

Acquired in-place leases

9,422,000

Other assets, net of other liabilities

3,380,000

Assets acquired

100,351,000

Mark-to-market assumed debt

294,000

Below market lease value

3,885,000

Liabilities assumed

4,179,000

Purchase price allocation

96,172,000

Net consideration funded by us at closing, excluding consideration financed by debt

4,000,000

Equity and/or debt investment held

13,835,000

Debt assumed

$ 84,642,000

248-252 Bedford Avenue

Property Acquisitions

Number of units (unit) | unit

Term

5 years

Face amount of loan

$ 22,000,000.0

Stated interest rate of preferred partnership units issued (as a percent)

90.00%

Recognized Identifiable Assets Acquired and Liabilities Assumed

Land

$ 10,865,000

Building and building leasehold

44,035,000

Above market lease value

Acquired in-place leases

Other assets, net of other liabilities

Assets acquired

54,900,000

Mark-to-market assumed debt

Below market lease value

Liabilities assumed

Purchase price allocation

54,900,000

Net consideration funded by us at closing, excluding consideration financed by debt

21,782,000

Equity and/or debt investment held

Debt assumed

Senior mezzanine loan

$ 22,000,000.0

131-137 Spring Street

Property Acquisitions

Area of property (sqft) | ft²

68,000

Business Combination, Consideration Transferred

$ 122,300,000

Recognized Identifiable Assets Acquired and Liabilities Assumed

Land

27,021,000

$ 27,021,000

Building and building leasehold

105,342,000

Above market lease value

179,000

Acquired in-place leases

7,046,000

Other assets, net of other liabilities

Assets acquired

139,588,000

Fair value adjustment to mortgage note payable

Below market lease value

17,288,000

Liabilities assumed

17,288,000

Purchase price allocation

122,300,000

$ 122,300,000

Net consideration funded by us at closing, excluding consideration financed by debt

122,300,000

Equity and/or debt investment held

Debt assumed

$ 0

985-987 Third Avenue

Property Acquisitions

Area of property (sqft) | ft²

42,000

Business Combination, Consideration Transferred

$ 18,000,000

Recognized Identifiable Assets Acquired and Liabilities Assumed

Land

5,400,000

$ 5,400,000

Building and building leasehold

12,600,000

Above market lease value

Acquired in-place leases

Other assets, net of other liabilities

Assets acquired

18,000,000

Fair value adjustment to mortgage note payable

Below market lease value

Liabilities assumed

Purchase price allocation

18,000,000

$ 18,000,000

Net consideration funded by us at closing, excluding consideration financed by debt

18,000,000

Equity and/or debt investment held

Debt assumed

$ 0

1080 Amsterdam Avenue

Property Acquisitions

Area of property (sqft) | ft²

82,250

Recognized Identifiable Assets Acquired and Liabilities Assumed

Term of lease

99 years

Number of properties (units) | unit

635-641 Sixth Avenue

Property Acquisitions

Area of property (sqft) | ft²

267,000

Business Combination, Consideration Transferred

$ 173,000,000

Recognized Identifiable Assets Acquired and Liabilities Assumed

Land

$ 69,848,000

Building and building leasehold

104,474,000

Above market lease value

Acquired in-place leases

7,727,000

Other assets, net of other liabilities

Assets acquired

182,049,000

Fair value adjustment to mortgage note payable

Below market lease value

9,049,000

Liabilities assumed

9,049,000

Purchase price allocation

173,000,000

Net consideration funded by us at closing, excluding consideration financed by debt

173,000,000

Equity and/or debt investment held

Debt assumed

$ 0

304 Park Avenue

Property Acquisitions

Area of property (sqft) | ft²

215,000

Business Combination, Consideration Transferred

$ 135,000,000

Recognized Identifiable Assets Acquired and Liabilities Assumed

Land

54,189,000

Building and building leasehold

75,619,000

Above market lease value

2,824,000

Acquired in-place leases

8,265,000

Other assets, net of other liabilities

Assets acquired

140,897,000

Fair value adjustment to mortgage note payable

Below market lease value

5,897,000

Liabilities assumed

5,897,000

Purchase price allocation

135,000,000

Net consideration funded by us at closing, excluding consideration financed by debt

135,000,000

Equity and/or debt investment held

Debt assumed

Consideration in cash

102,000,000

Value of preferred operating partnership units issued

$ 33,000,000

Stonehenge Properties

Recognized Identifiable Assets Acquired and Liabilities Assumed

Land

$ 65,533,000

Building and building leasehold

128,457,000

Above market lease value

594,000

Acquired in-place leases

9,573,000

Other assets, net of other liabilities

2,190,000

Assets acquired

206,347,000

Fair value adjustment to mortgage note payable

Below market lease value

13,239,000

Liabilities assumed

13,239,000

Purchase price allocation

193,108,000

Net consideration funded by us at closing, excluding consideration financed by debt

78,121,000

Equity and/or debt investment held

Debt assumed

$ 0

Ownership interest in consolidated joint venture (as a percent)

80.00%

Manhattan

Property Acquisitions

Business Combination, Consideration Transferred

$ 193,100,000

Manhattan | Series G Preferred Units

Property Acquisitions

Mortgage encumbering the property

$ 47,600,000

Recognized Identifiable Assets Acquired and Liabilities Assumed

Interest rate (as a percent)

4.50%

Retail properties

Property Acquisitions

Term

5 years

Recognized Identifiable Assets Acquired and Liabilities Assumed

Number of properties acquired (properties) | property

Fixed rate debt

$ 8,500,000

Interest rate, fixed rate debt (as a percent)

3.80%

Multifamily properties

Property Acquisitions

Area of property (sqft) | ft²

488,000

Number of units (unit) | unit

385

Term

12 years

Recognized Identifiable Assets Acquired and Liabilities Assumed

Number of properties acquired (properties) | property

Fixed rate debt

$ 100,000,000

Interest rate, fixed rate debt (as a percent)

4.10%

51 East 42nd Street

Property Acquisitions

Area of property (sqft) | ft²

142,000

Business Combination, Consideration Transferred

$ 80,000,000

Recognized Identifiable Assets Acquired and Liabilities Assumed

Land

44,095,000

Building and building leasehold

33,470,000

Above market lease value

5,616,000

Acquired in-place leases

4,333,000

Other assets, net of other liabilities

Assets acquired

87,514,000

Fair value adjustment to mortgage note payable

Below market lease value

7,514,000

Liabilities assumed

7,514,000

Purchase price allocation

80,000,000

Net consideration funded by us at closing, excluding consideration financed by debt

81,632,000

Equity and/or debt investment held

Debt assumed

$ 0

51 East 42nd Street | Series H Preferred Units

Property Acquisitions

Stated interest rate of preferred partnership units issued (as a percent)

6.00%

Recognized Identifiable Assets Acquired and Liabilities Assumed

Equity and/or debt investment held

$ 2,000,000

180 Maiden Lane

Property Acquisitions

Area of property (sqft) | ft²

1,100,000

Term

5 years

Face amount of loan

$ 344,200,000

Recognized Identifiable Assets Acquired and Liabilities Assumed

Land

191,523,000

Building and building leasehold

233,230,000

Above market lease value

7,944,000

Acquired in-place leases

29,948,000

Other assets, net of other liabilities

Assets acquired

462,645,000

Fair value adjustment to mortgage note payable

Below market lease value

20,320,000

Liabilities assumed

20,320,000

Purchase price allocation

442,325,000

Net consideration funded by us at closing, excluding consideration financed by debt

81,835,000

Equity and/or debt investment held

Debt assumed

Consideration in cash

$ 41,000,000

Stake in the joint venture (as a percent)

49.90%

Value of preferred operating partnership units issued

$ 31,700,000

Consolidated interests in acquiree

442,300,000

Purchase price fair value adjustment recognized

8,300,000

Mortgage on properties assumed

280,000,000

Senior mezzanine loan

$ 344,200,000

110 East 42nd Street

Property Acquisitions

Area of property (sqft) | ft²

205,000

Face amount of loan

$ 16,000,000

Recognized Identifiable Assets Acquired and Liabilities Assumed

Land

34,000,000

Building and building leasehold

46,411,000

Above market lease value

823,000

Acquired in-place leases

5,396,000

Other assets, net of other liabilities

Assets acquired

86,630,000

Fair value adjustment to mortgage note payable

Below market lease value

2,326,000

Liabilities assumed

2,326,000

Purchase price allocation

84,304,000

Net consideration funded by us at closing, excluding consideration financed by debt

2,744,000

Equity and/or debt investment held

16,000,000

Debt assumed

65,000,000

Senior mezzanine loan

$ 16,000,000

1515 Broadway

Property Acquisitions

Area of property (sqft) | ft²

1,750,000

Recognized Identifiable Assets Acquired and Liabilities Assumed

Land

$ 462,700,000

Building and building leasehold

707,938,000

Above market lease value

18,298,000

Acquired in-place leases

98,661,000

Other assets, net of other liabilities

27,127,000

Assets acquired

1,314,724,000

Fair value adjustment to mortgage note payable

(3,693,000)

Below market lease value

84,417,000

Liabilities assumed

80,724,000

Purchase price allocation

1,234,000,000

Net consideration funded by us at closing, excluding consideration financed by debt

259,228,000

Equity and/or debt investment held

40,942,000

Debt assumed

458,767,000

Consolidated interests in acquiree

1,200,000,000

Debt assumed

458,800,000

Purchase price fair value adjustment recognized

$ 475,100,000

Economic Interest (as a percent)

31.50%

521 Fifth Avenue

Property Acquisitions

Area of property (sqft) | ft²

460,000

Term

2 years

Face amount of loan

$ 150,000,000

$ 140,000,000

Interest rate added to base rate (as a percent)

2.00%

Recognized Identifiable Assets Acquired and Liabilities Assumed

Land

110,100,000

Building and building leasehold

146,686,000

Above market lease value

3,318,000

Acquired in-place leases

23,016,000

Other assets, net of other liabilities

Assets acquired

283,120,000

Fair value adjustment to mortgage note payable

Below market lease value

25,977,000

Liabilities assumed

25,977,000

Purchase price allocation

257,143,000

Net consideration funded by us at closing, excluding consideration financed by debt

70,000,000

Equity and/or debt investment held

41,432,000

Debt assumed

140,000,000

Consolidated interests in acquiree

245,700,000

Purchase price fair value adjustment recognized

13,800,000

Senior mezzanine loan

$ 150,000,000

$ 140,000,000

Remaining ownership interest acquired (as a percent)

49.90%

Cash and other assets

$ 4,500,000

Fee interest in the property acquired

$ 15,000,000

LIBOR | 248-252 Bedford Avenue

Property Acquisitions

Interest rate added to base rate (as a percent)

2.25%

Mixed-Use Residential and Commercial Property | 315 West 33rd Street

Property Acquisitions

Area of property (sqft) | ft²

492,987

Apartments | 315 West 33rd Street

Property Acquisitions

Number of units (unit) | unit

333

Apartments | 248-252 Bedford Avenue

Property Acquisitions

Number of units (unit) | unit

Commercial | 315 West 33rd Street

Property Acquisitions

Area of property (sqft) | ft²

270,132

Recognized Identifiable Assets Acquired and Liabilities Assumed

Purchase price allocation

$ 386,800,000

Townhouses | 248-252 Bedford Avenue

Property Acquisitions

Number of units (unit) | unit

[1]	We are currently in the process of analyzing the purchase price allocation and, as such, we have not allocated any value to intangible assets such as above- and below-market lease or in-place leases.

Property Dispositions (Details) $ in Thousands	1 Months Ended					3 Months Ended								12 Months Ended
Property Dispositions (Details) $ in Thousands	Sep. 30, 2013 USD ($)	Aug. 30, 2013 USD ($)	Feb. 28, 2013 USD ($)	Feb. 29, 2012 USD ($)	May 31, 2011 USD ($) ft²	Dec. 31, 2013 USD ($) ft²	Sep. 30, 2013 USD ($)	Jun. 30, 2013 USD ($)	Mar. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Sep. 30, 2012 USD ($)	Jun. 30, 2012 USD ($)	Mar. 31, 2012 USD ($)	Dec. 31, 2013 USD ($) ft²	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)
Property Dispositions and Assets Held for Sale
Gain on sale of property						$ 0	$ 13,787	$ 0	$ 1,113	$ 0	$ 0	$ 0	$ 6,627	$ 14,900	$ 6,627	$ 46,085
Area of property (sqft) \| ft²						28,549,979								28,549,979
Revenues
Rental revenue														$ 10,656	18,651	27,093
Escalation and reimbursement revenues														1,292	2,263	2,924
Other income														8	8,190	121
Total revenues														11,956	29,104	30,138
Operating expenses														3,643	6,646	7,424
Real estate taxes														765	1,224	2,334
Interest expense, net of interest income														461	2,082	4,922
Depreciable real estate reserves														2,150	0	0
Transaction related costs														0	160	1
Depreciation and amortization														3,212	6,373	6,715
Amortization of deferred financing costs														0	0	182
Total expenses														10,231	16,485	21,578
Net income from discontinued operations						$ 0	$ 1,406	$ (678)	$ 997	$ 9,737	$ 951	$ 899	$ 1,032	$ 1,725	$ 12,619	$ 8,560
300 Main Street
Property Dispositions and Assets Held for Sale
Consideration for sale of property	$ 13,500
Asset impairment charges	$ 2,200
333 West 34th Street
Property Dispositions and Assets Held for Sale
Consideration for sale of property		$ 220,300
Gain on sale of property		13,800
Employee compensation award		$ 3,000
44th West 55th Street
Property Dispositions and Assets Held for Sale
Consideration for sale of property			$ 6,300
Gain on sale of property			$ 1,100
292 Madison Avenue
Property Dispositions and Assets Held for Sale
Consideration for sale of property				$ 85,000
Gain on sale of property				6,600
Employee compensation award				$ 1,500
Property at 28 West 44th Street
Property Dispositions and Assets Held for Sale
Consideration for sale of property					$ 161,000
Gain on sale of property					$ 46,100
Area of property (sqft) \| ft²					359,000

Debt and Preferred Equity Investments (Details) - USD ($)

1 Months Ended

12 Months Ended

Dec. 31, 2013

Nov. 30, 2013

Oct. 31, 2013

Jun. 30, 2013

May 31, 2013

Jan. 31, 2013

Nov. 30, 2012

Dec. 31, 2013

Dec. 31, 2012

Oct. 30, 2013

Dec. 31, 2011

Dec. 31, 2010

Debt investment

Increase in debt and preferred equity investments (net of discounts), including investments classified as held-for-sale

$ 601,300,000

$ 672,900,000

Decrease in debt and preferred equity investments (net of discounts), including investments classified as held-for-sale

644,900,000

298,700,000

Loan loss reserves recorded

$ 0

3,000,000

Aggregate weighted average current yield (as a percent)

11.47%

Senior Financing

$ 5,196,398,000

Debt and preferred equity investments

1,304,839,000

1,348,434,000

Loan loss reserve

(1,000,000)

(7,000,000)

$ (50,175,000)

$ (61,361,000)

Debt investment

Debt investment

Carrying value, net of discounts

936,475,000

1,016,855,000

Loan loss reserve

^[1]

(1,000,000)

(7,000,000)

Total, net of reserve

935,475,000

1,009,855,000

Total fixed rate

Debt investment

Senior Financing

2,980,960,000

Carrying Value, Net of Discounts

385,604,000

583,565,000

Total fixed rate | Junior Participation, March 2015

Debt investment

Senior Financing

398,500,000

Carrying Value, Net of Discounts

11,856,000

Total fixed rate | Mezzanine Loan, February 2016

Debt investment

Senior Financing

205,000,000

Carrying Value, Net of Discounts

68,319,000

66,307,000

Total fixed rate | Mortgage/Mezzanine Loan, May 2016

Debt investment

Senior Financing

166,710,000

Carrying Value, Net of Discounts

44,742,000

44,013,000

Total fixed rate | Mezzanine Loan, May 2016

Debt investment

Senior Financing

177,000,000

Carrying Value, Net of Discounts

15,012,000

15,906,000

Total fixed rate | Junior Participation, June 2016

Debt investment

Senior Financing

133,000,000

Carrying Value, Net of Discounts

49,000,000

Total fixed rate | Mezzanine Loan, November 2016

Debt investment

Senior Financing

165,000,000

Carrying Value, Net of Discounts

71,312,000

70,967,000

Total fixed rate | Mortgage/Mezzanine Loan, March 2017

Debt investment

Senior Financing

^[2]

1,109,000,000

Carrying Value, Net of Discounts

^[2]

80,983,000

115,804,000

Percentage of loan sold (percent)

50.00%

Amount recognized from sale of loan

$ 57,800,000

Gain (Loss) on Sales of Loans, Net

$ 12,900,000

Total fixed rate | Mezzanine Loan, June 2017

Debt investment

Senior Financing

^[3]

521,750,000

Carrying Value, Net of Discounts

^[3]

20,954,000

Total fixed rate | Other Loan, September 2021

Debt investment

Senior Financing

15,000,000

Carrying Value, Net of Discounts

3,500,000

Total fixed rate | Mezzanine Loan, November 2023

Debt investment

Senior Financing

^[4]

90,000,000

Carrying Value, Net of Discounts

^[4]

19,926,000

Total fixed rate | Mortgage Loan

Debt investment

Senior Financing

^[5]

Carrying Value, Net of Discounts

^[5]

218,068,000

Amount recognized from sale of loan

$ 6,400,000

Loans acquired

$ 219,000,000

Total floating rate

Debt investment

Senior Financing

2,215,438,000

Debt and preferred equity investments

550,871,000

433,290,000

Total floating rate | Mezzanine Loan, November 2016

Debt investment

Senior Financing

^[6]

163,500,000

Debt and preferred equity investments

^[6]

25,725,000

Additional funds committed

11,400,000

Total floating rate | Mortgage Loan

Debt investment

Senior Financing

Debt and preferred equity investments

14,745,000

Total floating rate | Junior Participation, February 2014

Debt investment

Senior Financing

^[7]

80,932,000

Debt and preferred equity investments

^[7]

24,046,000

Additional funds committed

900,000

Total floating rate | Junior Participation, June, 2013

Debt investment

Senior Financing

^[8]

57,750,000

Debt and preferred equity investments

^[8]

10,873,000

10,869,000

Total floating rate | Mortgage/Mezzanine Loan, July 2014

Debt investment

Senior Financing

330,000,000

Debt and preferred equity investments

131,724,000

131,231,000

Total floating rate | Mezzanine Loan, August 2014

Debt investment

Senior Financing

180,000,000

Debt and preferred equity investments

59,892,000

59,739,000

Total floating rate | Mezzanine Loan, October 2014

Debt investment

Senior Financing

^[9]

89,956,000

Debt and preferred equity investments

^[9]

38,549,000

34,444,000

Additional funds committed

11,200,000

Total floating rate | Mortgage Loan, December 2014

Debt investment

Senior Financing

Debt and preferred equity investments

30,000,000

Total floating rate | Mezzanine Loan, September 2015

Debt investment

Senior Financing

110,000,000

Debt and preferred equity investments

49,110,000

Total floating rate | Mezzanine Loan, December 2015

Debt investment

Senior Financing

^[10]

92,711,000

Debt and preferred equity investments

^[10]

27,662,000

55,336,000

Percentage of loan sold (percent)

50.00%

Additional funds committed

22,100,000

Payments for origination

56,300,000

Face amount of loan

$ 85,000,000.0

Additional funding provided

8,500,000

Total floating rate | Mezzanine Loan, March 2016

Debt investment

Senior Financing

775,000,000

Debt and preferred equity investments

72,823,000

Total floating rate | Mezzanine Loan, June 2016

Debt investment

Senior Financing

^[11]

160,000,000

Debt and preferred equity investments

^[11]

22,526,000

7,624,000

Face amount of loan

30,000,000.0

Repayments of loan

15,000,000

Loan Participation Amount Included in Other asset and Other Liabilities

7,400,000

Total floating rate | Mezzanine Loan, July 2016

Debt investment

Senior Financing

87,300,000

Debt and preferred equity investments

25,590,000

34,761,000

Total floating rate | Mezzanine Loan, December 2016

Debt investment

Senior Financing

^[12]

33,289,000

Debt and preferred equity investments

^[12]

11,798,000

Additional funds committed

300,000

Total floating rate | Mortgage/Mezzanine Loan, July 2018

Debt investment

Senior Financing

55,000,000

Debt and preferred equity investments

20,553,000

Total floating rate | Mezzanine Loan

Debt investment

Senior Financing

Debt and preferred equity investments

37,288,000

Total floating rate | Mortgage/Mezzanine Loan

Debt investment

Senior Financing

Debt and preferred equity investments

$ 47,253,000

Loan participations and assignments | Mezzanine Loan, June 2017

Debt investment

Additional funds committed

$ 20,000,000

Loan Participation Amount Included in Other asset and Other Liabilities

$ 41,300,000

Loan participations and assignments | Mezzanine Loan, November 2023

Debt investment

Loan Participation Amount Included in Other asset and Other Liabilities

$ 5,000,000

Loan participations and assignments | Mezzanine Loan, June 2016

Debt investment

Loan Participation Amount Included in Other asset and Other Liabilities

7,400,000

Mortgages | Mezzanine Loan, June 2017

Debt investment

Loans acquired

$ 82,500,000

Mortgages | Mezzanine Loan, November 2023

Debt investment

Loans acquired

$ 25,000,000

Mortgages | Mezzanine Loan, June 2016

Debt investment

Loans acquired

$ 30,000,000

[1]	Loan loss reserves are specifically allocated to investments. Our reserves reflect management's judgment of the probability and severity of losses based on Level 3 data. We cannot be certain that our judgment will prove to be correct or that reserves will be adequate over time to protect against potential future losses.
[2]	Interest is added to the principal balance for this accrual only loan. In January 2013, we sold 50% of the mezzanine loan for $57.8 million and recognized additional income of $12.9 million, which is included in investment income on the consolidated statements of income.
[3]	In October 2013, we entered into a loan participation agreement in the amount of $41.3 million on a $82.5 million mortgage. As a result of the transfer not meeting the conditions for sale accounting, the portion that was participated out has been recorded in other assets and other liabilities in the accompanying consolidated balance sheet. In addition, as of December 31, 2013, we were committed to fund an additional $20.0 million in connection with this loan.
[4]	In November 2013, we entered into a loan participation agreement in the amount of $5.0 million on a $25.0 million mortgage. As a result of the transfer not meeting the conditions for sale accounting, the portion that was participated out has been recorded in other assets and other liabilities in the consolidated balance sheets.
[5]	In November 2012, we acquired this nonperforming loan with an original balance of $219.0 million subject to interest based on default rate. In connection with the repayment of the loan in May 2013, we recognized additional income of $6.4 million, which is included in investment income on our consolidated statements of income.
[6]	As of December 31, 2013, we were committed to fund an additional $11.4 million in connection with this loan.
[7]	As of December 31, 2013, we were committed to fund an additional $0.9 million in connection with this loan.
[8]	In December 2013, the loan was extended to June 2014.
[9]	As of December 31, 2013, we were committed to fund an additional $11.2 million in connection with this loan.
[10]	We funded $56.3 million at origination. In June 2013, we sold 50% of our interest in the $85.0 million mezzanine loan. Additionally, in December 2013 we closed on an $8.5 million future funding upsize, bringing our total additional committed funding amount to $22.1 million at December 31, 2013.
[11]	As part of the refinancing of the related senior mortgage in June 2013, we originated a $30.0 million mezzanine loan and our previous investment in the amount of $15.0 million, including the $7.4 million participated interest, was repaid in full. Following the refinancing, we entered into a loan participation agreement in the amount of $7.4 million on a $30.0 million mortgage. Due to our continued involvement with the loan, the portion that was participated out has been recorded in other assets and other liabilities in the consolidated balance sheets.
[12]	As of December 31, 2013, we were committed to fund an additional $0.3 million in connection with this loan.

Debt and Preferred Equity Investments (Details 2) - USD ($)
$ in Thousands

12 Months Ended

Dec. 31, 2013

Dec. 31, 2012

Preferred equity investment

Aggregate weighted average current yield (as a percent)

11.47%

Senior Financing

$ 5,196,398

Debt and preferred equity investments

$ 1,304,839

$ 1,348,434

Preferred equity investments

Preferred equity investment

Aggregate weighted average current yield (as a percent)

10.91%

Senior Financing

$ 1,577,007

Debt and preferred equity investments

369,364

338,579

Preferred equity with initial mandatory redemption on July, 2015

Preferred equity investment

Senior Financing

^[1]

525,000

Debt and preferred equity investments

^[1]

115,198

99,768

Preferred equity with initial mandatory redemption on April, 2016

Preferred equity investment

Senior Financing

^[1],[2]

55,747

Debt and preferred equity investments

^[1],[2]

25,896

18,925

Preferred equity with initial mandatory redemption on July, 2016

Preferred equity investment

Senior Financing

^[1]

926,260

Debt and preferred equity investments

^[1]

218,330

209,959

Preferred equity with initial mandatory redemption on November 2017

Preferred equity investment

Senior Financing

70,000

Debt and preferred equity investments

$ 9,940

$ 9,927

[1]	The difference between the pay and accrual rates is included as an addition to the principal balance outstanding.
[2]	As of December 31, 2013, the loan is fully funded.

Debt and Preferred Equity Investments (Details 3) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Loan loss reserve activity
Balance at beginning of year	$ 7,000	$ 50,175	$ 61,361
Expensed	0	3,000	10,875
Recoveries	0	(2,436)	(4,370)
Charge-offs and reclassifications	(6,000)	(43,739)	(17,691)
Balance at end of period	$ 1,000	$ 7,000	$ 50,175

Debt and Preferred Equity Investments (Details 4) $ in Thousands	12 Months Ended
	Dec. 31, 2013 USD ($) segment	Dec. 31, 2012 USD ($) segment
Investments, Debt and Equity Securities [Abstract]
Number of portfolio segments of financial receivables (segment) \| segment	1	1
Additional amount of financing receivables included in other assets	$ 172,800	$ 121,300
Unpaid Principal Balance
With no related allowance recorded	0	0
With an allowance recorded	10,750	10,750
Unpaid Principal Balance	10,750	10,750
Recorded Investment
With no related allowance recorded	0	0
With an allowance recorded	10,750	10,750
Recorded Investment	10,750	10,750
Allowance Allocated	1,000	7,000
Average recorded investment in impaired loans	10,881	50,231
Investment income recognized	$ 7,117	$ 3,712

Investment in Unconsolidated Joint Ventures (Details)

1 Months Ended

3 Months Ended

12 Months Ended

Nov. 30, 2013

USD ($)

Oct. 31, 2013

USD ($)

unit

Feb. 28, 2013

Nov. 30, 2012

USD ($)

Sep. 30, 2012

USD ($)

ft²

property

Jun. 30, 2012

USD ($)

Mar. 31, 2011

USD ($)

Dec. 31, 2013

USD ($)

ft²

floor

unit

Sep. 30, 2013

USD ($)

unit

Jun. 30, 2013

USD ($)

Mar. 31, 2013

USD ($)

Dec. 31, 2012

USD ($)

ft²

Sep. 30, 2012

USD ($)

ft²

property

Jun. 30, 2012

USD ($)

Mar. 31, 2012

USD ($)

Dec. 31, 2013

USD ($)

ft²

floor

investment

property

unit

Dec. 31, 2012

USD ($)

ft²

Dec. 31, 2011

USD ($)

Aug. 31, 2012

USD ($)

May 31, 2011

USD ($)

General information on each joint venture

Number of VIEs in which the entity is not primary beneficiary | investment

Net equity investment in VIEs in which the entity is not primary beneficiary

$ 310,700,000

$ 117,700,000

$ 310,700,000

$ 117,700,000

Area of property (sqft) | ft²

28,549,979

Recognized gain (loss) on sale of interest in property

$ 7,538,000

$ (354,000)

$ (3,583,000)

$ 0

$ 19,277,000

$ (4,807,000)

$ 15,323,000

$ 7,260,000

$ 3,601,000

37,053,000

$ 2,918,000

Additional income upon the contribution of debt investment to joint venture

193,843,000

119,155,000

120,418,000

Debt investments contributed to joint venture

25,362,000

286,571,000

Floating rate financing assumed by joint venture

30,000,000

Payments to acquire equity method investments

$ 150,274,000

$ 215,174,000

$ 109,920,000

100 Park Avenue

General information on each joint venture

Ownership Interest (as a percent)

49.90%

Economic Interest (as a percent)

49.90%

Area of property (sqft) | ft²

834,000

Acquisition Price

^[1]

$ 95,800,000

21 West 34th Street

General information on each joint venture

Ownership Interest (as a percent)

50.00%

Economic Interest (as a percent)

50.00%

Area of property (sqft) | ft²

30,000

Acquisition Price

^[1]

$ 22,400,000

1604-1610 Broadway

General information on each joint venture

Ownership Interest (as a percent)

^[2]

70.00%

Economic Interest (as a percent)

^[2]

70.00%

Area of property (sqft) | ft²

^[2]

30,000

Acquisition Price

^[1],[2]

$ 4,400,000

717 Fifth Avenue

General information on each joint venture

Ownership Interest (as a percent)

^[3]

10.92%

Economic Interest (as a percent)

^[3]

10.92%

Area of property (sqft) | ft²

^[3]

120,000

Acquisition Price

^[1],[3]

$ 251,900,000

Beneficial interest sold (as a percent)

50.00%

Sales price

$ 617,600,000

Proceeds from sale of equity method investments

67,900,000

Recognized gain (loss) on sale of interest in property

3,000,000

Employee compensation award

$ 1,000,000

Interest rate added to base rate (as a percent)

2.75%

800 Third Avenue

General information on each joint venture

Ownership Interest (as a percent)

42.95%

Economic Interest (as a percent)

42.95%

Area of property (sqft) | ft²

526,000

Acquisition Price

^[1]

$ 285,000,000

1745 Broadway

General information on each joint venture

Ownership Interest (as a percent)

32.26%

Economic Interest (as a percent)

32.26%

Area of property (sqft) | ft²

674,000

Acquisition Price

^[1]

$ 520,000,000

1 and 2 Jericho Plaza

General information on each joint venture

Ownership Interest (as a percent)

20.26%

Economic Interest (as a percent)

20.26%

Area of property (sqft) | ft²

640,000

Acquisition Price

^[1]

$ 210,000,000

The Meadows

General information on each joint venture

Ownership Interest (as a percent)

50.00%

Economic Interest (as a percent)

50.00%

Area of property (sqft) | ft²

582,000

Acquisition Price

^[1]

$ 111,500,000

388 and 390 Greenwich Street

General information on each joint venture

Ownership Interest (as a percent)

^[4]

50.60%

Economic Interest (as a percent)

^[4]

50.60%

Area of property (sqft) | ft²

^[4]

2,600,000

Acquisition Price

^[1],[4]

$ 1,575,000,000

180/182 Broadway

General information on each joint venture

Ownership Interest (as a percent)

^[5]

25.50%

Economic Interest (as a percent)

^[5]

25.50%

Area of property (sqft) | ft²

^[5]

71,000

Acquisition Price

^[1],[5]

$ 43,600,000

600 Lexington Avenue

General information on each joint venture

Ownership Interest (as a percent)

55.00%

Economic Interest (as a percent)

55.00%

Area of property (sqft) | ft²

304,000

Acquisition Price

^[1]

$ 193,000,000

11 West 34th Street

General information on each joint venture

Ownership Interest (as a percent)

^[6]

30.00%

Economic Interest (as a percent)

^[6]

30.00%

Area of property (sqft) | ft²

^[6]

17,000

Acquisition Price

^[1],[6]

$ 10,800,000

7 Renaissance

General information on each joint venture

Ownership Interest (as a percent)

50.00%

Economic Interest (as a percent)

50.00%

Area of property (sqft) | ft²

37,000

Acquisition Price

^[1]

$ 4,000,000

3 Columbus Circle

General information on each joint venture

Ownership Interest (as a percent)

^[7]

48.90%

Economic Interest (as a percent)

^[7]

48.90%

Area of property (sqft) | ft²

^[7]

769,000

Acquisition Price

^[1],[7]

$ 500,000,000

Recognized gain (loss) on sale of interest in property

$ 0

280 Park Avenue

General information on each joint venture

Ownership Interest (as a percent)

^[8]

50.00%

Economic Interest (as a percent)

^[8]

49.50%

Area of property (sqft) | ft²

^[8]

1,237,000

Acquisition Price

^[1],[8]

$ 400,000,000

Valuation of investment under the recapitalization transaction

$ 286,600,000

$ 1,100,000,000

Effective ownership interest in underlying investment (as a percent)

50.00%

Additional income upon the contribution of debt investment to joint venture

$ 38,700,000

Debt investments contributed to joint venture

111,300,000

Floating rate financing assumed by joint venture

$ 30,000,000

1552-1560 Broadway

General information on each joint venture

Ownership Interest (as a percent)

^[9]

50.00%

Economic Interest (as a percent)

^[9]

50.00%

Area of property (sqft) | ft²

49,000

^[9]

13,045

49,000

^[9]

13,045

Acquisition Price

^[1],[9]

$ 136,550,000

747 Madison Avenue

General information on each joint venture

Ownership Interest (as a percent)

^[10]

33.33%

Economic Interest (as a percent)

^[10]

33.33%

Area of property (sqft) | ft²

^[10]

10,000

Acquisition Price

^[1],[10]

$ 66,250,000

Number of units in property (units) | unit

Number of units in real estate property acquired (units) | unit

Payments to acquire equity method investments

$ 7,500,000

724 Fifth Avenue

General information on each joint venture

Ownership Interest (as a percent)

50.00%

Economic Interest (as a percent)

50.00%

Area of property (sqft) | ft²

65,000

Acquisition Price

^[1]

$ 223,000,000

10 East 53rd Street

General information on each joint venture

Ownership Interest (as a percent)

55.00%

Economic Interest (as a percent)

55.00%

Area of property (sqft) | ft²

390,000

Acquisition Price

^[1]

$ 252,500,000

33 Beekman

General information on each joint venture

Ownership Interest (as a percent)

^[11]

45.90%

Economic Interest (as a percent)

^[11]

45.90%

Area of property (sqft) | ft²

^[11]

145,000

Acquisition Price

^[1],[11]

$ 31,000,000

Number of floors of student housing (floors) | floor

West Coast office portfolio

General information on each joint venture

Ownership Interest (as a percent)

^[12]

42.02%

Economic Interest (as a percent)

^[12]

43.74%

Area of property (sqft) | ft²

4,500,000

4,474,000

^[12]

4,500,000

4,474,000

^[12]

Acquisition Price

^[1],[12]

$ 880,103,000

Proceeds from sale of equity method investments

224,300,000

Recognized gain (loss) on sale of interest in property

$ 2,100,000

Number of properties (properties) | property

Prior to the recapitalization positions held in mezzanine and preferred equity

$ 678,800,000

Period of extension option for mortgage secured by the portfolio

1 year

Number of properties sold (properties) | property

Repayments of loan

$ 194,500,000

Remaining percentage of interest acquired in joint venture (percent)

10.73%

Partnership interest sold to Harel by joint venture (as a percent)

20.78%

6.00%

Term

2 years

Ownership interest sold (as a percent)

20.78%

6.00%

Face amount of loan

$ 68,000,000.0

$ 26,700,000

521 Fifth Avenue

General information on each joint venture

Ownership Interest (as a percent)

^[13]

50.50%

Economic Interest (as a percent)

^[13]

50.50%

Area of property (sqft) | ft²

^[13]

460,000

Acquisition Price

^[1],[13]

$ 315,000,000

Sales price

$ 315,000,000

Recognized gain (loss) on sale of interest in property

$ 2,800,000

Employee compensation award

$ 1,000,000

Interest rate, description

LIBOR

Interest rate added to base rate (as a percent)

2.20%

Face amount of loan

$ 150,000,000

21 East 66th Street

General information on each joint venture

Ownership Interest (as a percent)

^[14]

32.28%

Economic Interest (as a percent)

^[14]

32.28%

Area of property (sqft) | ft²

^[14]

17,000

Acquisition Price

^[1],[14]

$ 75,000,000

21 East 66th Street | Three retail units

General information on each joint venture

Ownership Interest (as a percent)

32.28%

Number of units in property (units) | unit

21 East 66th Street | 2 residential units

General information on each joint venture

Number of units in property (units) | unit

21 East 66th Street | Four residential units

General information on each joint venture

Ownership Interest (as a percent)

16.14%

Number of units in property (units) | unit

315 West 36th Street

General information on each joint venture

Ownership Interest (as a percent)

35.50%

Economic Interest (as a percent)

35.50%

Area of property (sqft) | ft²

148,000

Acquisition Price

^[1]

$ 45,000,000

Herald Center

General information on each joint venture

Ownership Interest (as a percent)

^[15]

40.00%

Economic Interest (as a percent)

^[15]

40.00%

Area of property (sqft) | ft²

^[15]

365,000

Acquisition Price

^[1],[15]

$ 50,000,000

Interest rate (as a percent)

8.75%

650 Fifth Avenue

General information on each joint venture

Ownership Interest (as a percent)

^[16]

50.00%

Economic Interest (as a percent)

^[16]

50.00%

Area of property (sqft) | ft²

^[16]

32,000

Acquisition Price

^[1],[16]

$ 0

Payments to acquire equity method investments

$ 51,000,000

Joint venture | 747 Madison Avenue

General information on each joint venture

Ownership Interest (as a percent)

100.00%

521 Fifth Avenue

General information on each joint venture

Partnership interest sold to Harel by joint venture (as a percent)

49.50%

Ownership interest sold (as a percent)

49.50%

521 Fifth Avenue | Joint venture

General information on each joint venture

Term

7 years

Mortgage on properties assumed

$ 170,000,000

Mezzanine loans | Joint venture | West Coast office portfolio

General information on each joint venture

Repayments of loan

$ 20,500,000

Face amount of loan

$ 20,500,000

20,500,000

Mortgage Loan | Joint venture | West Coast office portfolio

General information on each joint venture

Recognized gain (loss) on sale of interest in property

$ 19,400,000

Repayments of loan

$ 194,500,000

[1]	Acquisition price represents the actual or implied gross purchase price for the joint venture.
[2]	In March 2013, Sutton conveyed his interest in this property to us.
[3]	In June 2012, this retail condominium was recapitalized. The recapitalization triggered a promote to our partner, which resulted in a reduction of our economic interest. In addition, we sold 50% of our remaining interest at a property valuation of $617.6 million. We recognized $67.9 million of additional cash income, equivalent to profit, due to the distribution of refinancing proceeds and a gain on sale of $3.0 million, which is net of a $1.0 million employee compensation award, accrued in connection with the realization of this investment gain as a bonus to certain employees that were instrumental in realizing the gain on this sale.
[4]	The property is subject to a triple-net lease arrangement with a single tenant, which expires in 2020. In December 2013, the joint venture signed an agreement extending the lease through December 31, 2035. The agreement includes an option for the tenant to acquire the property for a specified price during the period from December 1, 2017 through December 31, 2020.
[5]	In June 2013, the joint venture completed its redevelopment project. In July 2013, the lease for Pace University, or Pace, its primary tenant, commenced.
[6]	The property is subject to a long-term net lease arrangement.
[7]	As a result of the sale of a condominium interest in September 2012, Young & Rubicam, Inc., or Y&R, owns a portion of the property, generally floors three through eight referred to as Y&R units. Because the joint venture has an option to repurchase the Y&R units, no gain was recognized on this sale.
[8]	In March 2011, we contributed our debt investment with a carrying value of $286.6 million to a newly formed joint venture in which we hold a 50% interest. We realized $38.7 million of additional income upon the contribution. This income is included in investment income in the consolidated statements of income. The joint venture paid us approximately $111.3 million and also assumed $30.0 million of related floating rate financing which matures in June 2016. In May 2011, this joint venture took control of the underlying property as part of a recapitalization transaction which valued the investment at approximately $1.1 billion.
[9]	In connection with this acquisition, the joint venture also acquired a long-term leasehold interest in the retail space and certain other spaces at 1560 Broadway, which is adjacent to 1552 Broadway. The purchase price relates only to the purchase of the 1552 Broadway interest which comprises 13,045 square feet. In 2012, we, along with Sutton, acquired the property at 155 West 46th Street, which is adjacent to 1552 and 1560 Broadway, and sold it to the fee owner of 1560 Broadway.
[10]	The joint venture owns 100% interest as tenant-in-common in 30 East 65th Street Corporation and the related proprietary lease of three cooperative apartment units in the building. In October 2013, the joint ventured acquired two additional cooperative apartment units in the building for $7.5 million.
[11]	The joint venture acquired the fee interest in the property and will develop an approximately 30 story building for student housing. Upon completion of the development, the joint venture will convey a long-term ground lease condominium interest in the building to Pace.
[12]	In September 2012, the Company, together with an affiliate of Blackstone, Gramercy and Square Mile Capital Management LLC, or Square Mile, formed a joint venture to recapitalize a 31-property, 4.5-million-square-foot West Coast office portfolio. The joint venture extended the $678.8 million mortgage secured by the portfolio for a term of 2 years with a 1-year extension option. In addition, the joint venture entered into a new $68.0 million mezzanine loan for a term of 2 years. Prior to the recapitalization in September 2012, the Company held $26.7 million in mezzanine and preferred equity positions in the entity that owned the portfolio. Following the recapitalization, Blackstone became the majority owner of the joint venture, with Equity Office Properties, a Blackstone affiliate, being responsible for the portfolio’s management and leasing. In February 2013, we acquired Gramercy’s 10.73% interest in the joint venture and simultaneously sold 20.78% of the newly acquired interest to Square Mile Capital Management LLC or Square Mile. During the year ended December 31, 2013, we acquired Square Mile’s 6.00% interest in the joint venture and the joint venture sold three of the properties for an aggregate of $224.3 million, on which we recognized a gain of approximately $2.1 million. The proceeds from the sale of these properties were used primarily to repay $194.5 million of the mortgage and $20.5 million of the mezzanine loan.
[13]	In November 2012, we sold our 49.5% partnership interest in 521 Fifth Avenue to Plaza Global Real Estate Partners for a gross valuation price of $315.0 million for this property. We recognized a gain of $19.4 million on the sale which is net of a $1.0 million employee compensation award, accrued in connection with the realization of this investment gain as a bonus to certain employees that were instrumental in realizing the gain on this sale. We also refinanced the existing $150.0 million loan with a $170.0 million 7-year mortgage loan which bears interest at 220 basis points over LIBOR. Following the sale, we deconsolidated the entity effective November 30, 2012 and have accounted our investment under the equity method because of lack of control. During the year ended December 31, 2013, we recognized additional post closing costs of $2.8 million as an adjustment to the gain.
[14]	We hold a 32.28% interest in 3 retail and 2 residential units at the property and a 16.14% in 4 residential units at the property.
[15]	The joint venture owned a preferred equity interest in an entity that holds the interest in a mixed commercial use property located in Manhattan. The preferred equity bore interest at a rate of 8.75% per annum through its redemption date in December 2013.
[16]	The joint venture owns a long-term leasehold interest in the retail space at 650 Fifth Avenue. In connection with the ground lease obligation, SLG provided a performance guaranty and Sutton executed a contribution agreement to reflect its pro rata obligation. In an event the property is converted into a condominium unit and the landlord elects the purchase option, the joint venture shall be obligated to acquire the unit at the then fair value. In November 2013, the joint venture signed an agreement to buy out the lease of retailer Juicy Couture for $51.0 million as part of its plan to redevelop and reposition the property. Under this agreement, the tenant shall terminate the lease no later than April 2014.

Investment in Unconsolidated Joint Ventures (Details 2)

1 Months Ended

12 Months Ended

Dec. 31, 2013

USD ($)

Nov. 30, 2013

Apr. 30, 2013

USD ($)

extenstion_option

Nov. 30, 2012

Sep. 30, 2012

USD ($)

Aug. 31, 2012

USD ($)

Dec. 31, 2013

USD ($)

property

Dec. 31, 2012

USD ($)

Jun. 30, 2013

USD ($)

First mortgage notes and other loan payable

Total fixed rate debt

$ 4,130,629,000

$ 3,457,769,000

Total floating rate debt

729,949,000

1,157,695,000

Total mortgages and other loans payable

4,860,578,000

4,615,464,000

33 Beekman

First mortgage notes and other loan payable

Maximum amount of loan recourse to entity

$ 75,000,000

16 Court Street

First mortgage notes and other loan payable

Interest rate, floating rate debt (as a percent)

^[1],[2]

3.22%

Total floating rate debt

^[2]

$ 79,243,000

Joint venture

First mortgage notes and other loan payable

Total fixed rate debt

3,223,895,000

3,219,885,000

Total floating rate debt

1,842,815,000

2,138,163,000

Total mortgages and other loans payable

5,066,710,000

5,358,048,000

Maximum amount of loan recourse to entity

218,400,000

Committed amount

$ 60,000,000

Joint venture | 100 Park Avenue

First mortgage notes and other loan payable

Interest rate, fixed rate debt (as a percent)

^[3]

6.64%

Total fixed rate debt

$ 209,786,000

212,287,000

Joint venture | 7 Renaissance

First mortgage notes and other loan payable

Interest rate, fixed rate debt (as a percent)

^[3]

10.00%

Total fixed rate debt

$ 1,276,000

856,000

Joint venture | 11 West 34th Street

First mortgage notes and other loan payable

Interest rate, fixed rate debt (as a percent)

^[3]

4.82%

Total fixed rate debt

$ 17,205,000

17,491,000

Joint venture | 280 Park Avenue

First mortgage notes and other loan payable

Interest rate, fixed rate debt (as a percent)

^[3]

6.57%

Total fixed rate debt

$ 706,886,000

710,000,000

Joint venture | 21 West 34th Street

First mortgage notes and other loan payable

Interest rate, fixed rate debt (as a percent)

^[3]

5.76%

Total fixed rate debt

$ 100,000,000

100,000,000

Joint venture | 1745 Broadway

First mortgage notes and other loan payable

Interest rate, fixed rate debt (as a percent)

^[3]

5.68%

Total fixed rate debt

$ 340,000,000

340,000,000

Joint venture | 1 and 2 Jericho Plaza

First mortgage notes and other loan payable

Interest rate, fixed rate debt (as a percent)

^[3]

5.65%

Total fixed rate debt

$ 163,750,000

163,750,000

Joint venture | 800 Third Avenue

First mortgage notes and other loan payable

Interest rate, fixed rate debt (as a percent)

^[3]

6.00%

Total fixed rate debt

$ 20,910,000

20,910,000

Joint venture | 388 and 390 Greenwich Street

First mortgage notes and other loan payable

Interest rate, fixed rate debt (as a percent)

^[3],[4]

3.20%

Interest rate, floating rate debt (as a percent)

^[3],[4]

1.34%

Total fixed rate debt

^[4]

$ 996,082,000

996,082,000

Total floating rate debt

^[4]

142,297,000

Joint venture | 388 and 390 Greenwich Street | Mortgage loan

First mortgage notes and other loan payable

Total floating rate debt

72,000,000

Total mortgages and other loans payable

576,000,000

Joint venture | 388 and 390 Greenwich Street | Mezzanine loans

First mortgage notes and other loan payable

Total floating rate debt

70,300,000

Total mortgages and other loans payable

562,400,000

Maximum amount of loan recourse to entity

$ 200,000,000.0

Joint venture | 315 West 36th Street

First mortgage notes and other loan payable

Interest rate, fixed rate debt (as a percent)

^[3]

3.16%

Total fixed rate debt

$ 25,000,000

25,000,000

Joint venture | 717 Fifth Avenue | Mortgage loan

First mortgage notes and other loan payable

Total fixed rate debt

$ 300,000,000

Face amount of loan

$ 245,000,000.0

Joint venture | 717 Fifth Avenue | Mezzanine loans

First mortgage notes and other loan payable

Total fixed rate debt

290,000,000

Joint venture | 21 East 66th Street

First mortgage notes and other loan payable

Interest rate, fixed rate debt (as a percent)

^[3],[5]

4.10%

Interest rate, floating rate debt (as a percent)

^[3]

2.88%

Total fixed rate debt

^[5]

$ 12,000,000

12,000,000

Total floating rate debt

$ 1,959,000

2,033,000

Joint venture | 1604-1610 Broadway

First mortgage notes and other loan payable

Interest rate, fixed rate debt (as a percent)

^[3],[6]

5.66%

Total fixed rate debt

^[6]

$ 27,000,000

27,000,000

Joint venture | West Coast office portfolio

First mortgage notes and other loan payable

Interest rate, floating rate debt (as a percent)

^[3],[7]

3.93%

Total floating rate debt

^[7]

$ 526,290,000

745,025,000

Joint venture | 747 Madison Avenue

First mortgage notes and other loan payable

Interest rate, floating rate debt (as a percent)

^[3]

2.97%

Total floating rate debt

$ 33,125,000

33,125,000

Joint venture | 180/182 Broadway

First mortgage notes and other loan payable

Interest rate, floating rate debt (as a percent)

^[3],[8]

2.94%

Total floating rate debt

^[8]

$ 89,893,000

71,524,000

Committed amount

$ 90,000,000

Period of extension option for mortgage secured by the portfolio

1 year

Joint venture | The Meadows

First mortgage notes and other loan payable

Interest rate, floating rate debt (as a percent)

^[3],[9]

7.75%

Total floating rate debt

^[9]

$ 67,350,000

57,000,000

Committed amount

$ 67,400,000

$ 60,000,000

$ 67,400,000

Term of refinanced mortgage

3 years

Proceeds from sale of equity method investments

10,800,000

Undrawn amount

3,000,000

Joint venture | 3 Columbus Circle

First mortgage notes and other loan payable

Interest rate, floating rate debt (as a percent)

^[3],[10]

2.38%

Total floating rate debt

^[10]

$ 239,233,000

247,253,000

Possible increase in mortgage based on meeting certain performance hurdles

$ 40,000,000

Joint venture | 1552 Broadway

First mortgage notes and other loan payable

Interest rate, floating rate debt (as a percent)

^[3],[11]

3.48%

Total floating rate debt

^[11]

$ 158,690,000

113,869,000

Committed amount

$ 200,000,000.0

Period of extension option for mortgage secured by the portfolio

1 year

Term of refinanced mortgage

3 years

Amount outstanding

$ 119,600,000

Number of extension options (extension options) | extenstion_option

Joint venture | 1552 Broadway | Mortgage loan

First mortgage notes and other loan payable

Committed amount

$ 170,000,000.0

Unfunded amount

37,600,000

Joint venture | 1552 Broadway | Mezzanine loans

First mortgage notes and other loan payable

Committed amount

$ 30,000,000.0

Unfunded amount

$ 3,700,000

Joint venture | Other loan payable

First mortgage notes and other loan payable

Interest rate, floating rate debt (as a percent)

^[3]

1.09%

Total floating rate debt

$ 30,000,000

30,000,000

Joint venture | 724 Fifth Avenue

First mortgage notes and other loan payable

Interest rate, floating rate debt (as a percent)

^[3]

2.54%

Total floating rate debt

$ 120,000,000

120,000,000

Joint venture | 10 East 53rd Street

First mortgage notes and other loan payable

Interest rate, floating rate debt (as a percent)

^[3]

2.69%

Total floating rate debt

$ 125,000,000

125,000,000

Joint venture | 33 Beekman

First mortgage notes and other loan payable

Interest rate, floating rate debt (as a percent)

^[3],[12]

2.94%

Total floating rate debt

^[12]

$ 18,362,000

18,362,000

Joint venture | 600 Lexington Avenue

First mortgage notes and other loan payable

Interest rate, floating rate debt (as a percent)

^[3]

2.28%

Total floating rate debt

$ 120,616,000

124,384,000

Joint venture | 521 Fifth Avenue

First mortgage notes and other loan payable

Interest rate, floating rate debt (as a percent)

^[3]

2.39%

Total floating rate debt

$ 170,000,000

170,000,000

Term of refinanced mortgage

7 years

Joint venture | 27-29 West 34th Street

First mortgage notes and other loan payable

Total floating rate debt

^[13]

53,375,000

Joint venture | 16 Court Street

First mortgage notes and other loan payable

Total floating rate debt

^[14]

$ 0

84,916,000

Initial Maturity July 2022 | Joint venture | 717 Fifth Avenue

First mortgage notes and other loan payable

Interest rate, fixed rate debt (as a percent)

^[3],[15]

4.45%

Total fixed rate debt

^[15]

$ 300,000,000

300,000,000

Initial Maturity July 2024 | Joint venture | 717 Fifth Avenue

First mortgage notes and other loan payable

Interest rate, fixed rate debt (as a percent)

^[3],[15]

9.00%

Total fixed rate debt

^[15]

$ 304,000,000

$ 294,509,000

West Coast office portfolio

First mortgage notes and other loan payable

Face amount of loan

$ 68,000,000.0

$ 26,700,000

Number of properties sold (properties) | property

Repayments of loan

$ 194,500,000

Period of extension option for mortgage secured by the portfolio

1 year

Term of refinanced mortgage

2 years

Proceeds from sale of equity method investments

224,300,000

West Coast office portfolio | Joint venture | Mezzanine loans

First mortgage notes and other loan payable

Face amount of loan

20,500,000

Repayments of loan

20,500,000

West Coast office portfolio | Joint venture | Mortgage Loan

First mortgage notes and other loan payable

Repayments of loan

194,500,000

3 Columbus Circle

First mortgage notes and other loan payable

Committed additional capital contribution funded

$ 260,000,000

LIBOR | 717 Fifth Avenue | Mortgage loan

First mortgage notes and other loan payable

Interest rate added to base rate (as a percent)

2.75%

LIBOR | 16 Court Street

First mortgage notes and other loan payable

Interest rate added to base rate (as a percent)

3.50%

[1]	Effective weighted average interest rate for the year ended December 31, 2013, taking into account interest rate hedges in effect during the period.
[2]	In April 2013, we acquired interests from our joint venture partner, CIF, and have consolidated the entity due to our controlling interest. In December 2013, we repaid $5.0 million of the principal balance and modified and extended the terms of the existing mortgage. The modified mortgage bears interest based on one-month LIBOR plus 350 basis points with a floor of 50 basis points.
[3]	Effective weighted average interest rate for the year ended December 31, 2013, taking into account interest rate hedges in effect during the period.
[4]	These loans are comprised of a $576.0 million mortgage and a $562.4 million mezzanine loan, both of which are fixed rate loans, except for $72.0 million of the mortgage and $70.3 million of the mezzanine loan which are floating. Up to $200.0 million of the mezzanine loan, secured indirectly by these properties, is recourse to us. We believe it is unlikely that we will be required to perform under this guarantee.
[5]	In April 2013, the loan was refinanced at par and its maturity was extended to April 2023.
[6]	This loan went into default in November 2009 due to the non-payment of debt service.
[7]	As a result of the sale of three of its properties, the joint venture paid down $194.5 million of its mortgage and $20.5 million of its mezzanine loan.
[8]	This loan has a committed amount of $90.0 million. In November 2013, this loan was extended by one-year, subject to principal amortization through the maturity date
[9]	As a result of the refinancing and restructuring in August 2012, we replaced the previous mortgage with a $60.0 million, three-year mortgage, of which $3.0 million was unfunded as of December 31, 2012, and recognized additional income of $10.8 million due to the repayment of the previous mortgage at a discount. In December 2013, the joint venture upsized the original mortgage with a maximum amount of $60.0 million to $67.4 million. All other terms of the loan remained the same.
[10]	This loan has a committed amount of $260.0 million. The joint venture has the ability to increase the mortgage by $40.0 million based on meeting certain performance hurdles. In connection with this obligation, we executed a master lease agreement and our joint venture partner executed a contribution agreement to reflect its pro rata obligation under the master lease. The lien on the mortgage and the master lease excludes the condominium interest owned by Y&R. See Note 7 of prior table.
[11]	In April 2013, we refinanced the previous $119.6 million mortgage with a $200.0 million three-year loan construction financing facility comprised of a $170.0 million mortgage loan and a $30.0 million mezzanine loan. The facility has two one-year extension options. As of December 31, 2013, $37.6 million of the mortgage loan and $3.7 million of the mezzanine loan remained unfunded.
[12]	This loan has a committed amount of $75.0 million, which is recourse to us. Our partner has indemnified us for its pro rata share of the recourse guarantee. A portion of the guarantee terminates upon the joint venture reaching certain milestones. We believe it is unlikely that we will be required to perform under this guarantee.
[13]	In May 2013, this loan was refinanced and its maturity was extended to May 2018. In December 2013, we sold our interest in the joint venture, inclusive of our share in the joint venture debt.
[14]	In April 2013, we acquired interests from our joint venture partner, CIF, and have consolidated the entity due to our controlling interest.
[15]	In June 2012, the joint venture replaced the $245.0 million floating rate mortgage loan, which bore interest at 275 basis points over LIBOR and was due to mature in September 2012, with a $300.0 million fixed rate mortgage loan and $290.0 million mezzanine loan which is subject to accretion based on the difference between contractual interest rate and contractual pay rate.

Investment in Unconsolidated Joint Ventures (Details 3) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Assets
Commercial real estate property, net	$ 10,687,540	$ 10,269,630
Other assets	750,123	718,326
Liabilities and members' equity
Mortgages and other loans payable	4,860,578	4,615,464
Company's investments in unconsolidated joint ventures	1,113,218	1,032,243
Combined statements of income for the unconsolidated joint ventures
Operating expenses	293,514	292,392	$ 257,938
Ground rent	39,926	37,866	32,919
Real estate taxes	218,832	209,337	173,154
Interest expense, net of interest income	330,215	329,897	285,248
Amortization of deferred financing costs	16,695	19,450	14,108
Transaction related costs, net of recoveries	3,987	5,625	5,561
Depreciation and amortization	357,599	351,539	292,311
Total expenses	1,327,053	1,303,708	1,127,059
Company's equity in net income from unconsolidated joint ventures	9,921	76,418	1,583
Joint venture
Assets
Commercial real estate property, net	6,846,021	6,910,991
Other assets	827,282	728,113
Total assets	7,673,303	7,639,104
Liabilities and members' equity
Mortgages and other loans payable	5,066,710	5,358,048
Other liabilities	596,960	406,929
Members' equity	2,009,633	1,874,127
Total liabilities and members' equity	7,673,303	7,639,104
Company's investments in unconsolidated joint ventures	1,113,218	1,032,243
Combined statements of income for the unconsolidated joint ventures
Total revenues	628,649	511,157	480,935
Operating expenses	114,633	80,722	71,830
Ground rent	2,863	2,975	3,683
Real estate taxes	71,755	53,613	51,511
Interest expense, net of interest income	225,765	221,476	210,489
Amortization of deferred financing costs	17,092	9,739	12,911
Transaction related costs, net of recoveries	808	2,044	2,665
Depreciation and amortization	192,504	166,336	137,070
Total expenses	625,420	536,905	490,159
Gain on early extinguishment of debt	0	21,421	0
Net income (loss) before gain on sale	3,229	(4,327)	(9,224)
Company's equity in net income from unconsolidated joint ventures	$ 9,921	$ 76,418	$ 1,583

Investment in Unconsolidated Joint Ventures Investment in Unconsolidated Joint Ventures-Additional Information (Details) - USD ($)
$ in Thousands

1 Months Ended

3 Months Ended

12 Months Ended

Dec. 31, 2013

Aug. 31, 2012

Jul. 31, 2012

Jun. 30, 2012

Apr. 30, 2012

Mar. 31, 2012

Nov. 30, 2011

Aug. 31, 2011

Dec. 31, 2013

Sep. 30, 2013

Jun. 30, 2013

Mar. 31, 2013

Dec. 31, 2012

Sep. 30, 2012

Jun. 30, 2012

Mar. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2010

Investment in Unconsolidated Joint Ventures

Mortgage assigned to joint venture

$ 0

$ 30,000

Equity in net gain on sale of interest in unconsolidated joint venture/ real estate

$ 7,538

$ (354)

$ (3,583)

$ 0

$ 19,277

$ (4,807)

$ 15,323

$ 7,260

3,601

37,053

$ 2,918

27-29 West 34th Street

Investment in Unconsolidated Joint Ventures

Beneficial interest sold (as a percent)

50.00%

Consideration for sale of beneficial interest in real estate property

$ 70,100

Mortgage loan related to property sales

52,800

Equity in net gain on sale of interest in unconsolidated joint venture/ real estate

7,600

Accrued employee compensation award

$ 1,500

One Court Square

Investment in Unconsolidated Joint Ventures

Sales price

$ 481,100

Mortgage assigned to joint venture

315,000

Equity in net gain on sale of interest in unconsolidated joint venture/ real estate

$ 1,000

379 West Broadway

Investment in Unconsolidated Joint Ventures

Sales price

$ 48,500

Equity in net gain on sale of interest in unconsolidated joint venture/ real estate

6,500

Fees position acquired

$ 13,500

141 Fifth Avenue

Investment in Unconsolidated Joint Ventures

Sales price

$ 46,000

Equity in net gain on sale of interest in unconsolidated joint venture/ real estate

7,300

Employee compensation award

$ 1,500

33 West 450 Street

Investment in Unconsolidated Joint Ventures

Remaining percentage of interest acquired in joint venture (percent)

50.00%

Ownership Interest (as a percent)

100.00%

1551 to 1555 Broadway

Investment in Unconsolidated Joint Ventures

Beneficial interest sold (as a percent)

10.00%

Consideration for sale of beneficial interest in real estate property

$ 9,700

Equity in net gain on sale of interest in unconsolidated joint venture/ real estate

$ 4,000

717 Fifth Avenue

Investment in Unconsolidated Joint Ventures

Beneficial interest sold (as a percent)

50.00%

Sales price

$ 617,600

Equity in net gain on sale of interest in unconsolidated joint venture/ real estate

3,000

Employee compensation award

1,000

Ownership Interest (as a percent)

^[1]

10.92%

Cash income recognized on distribution

$ 67,900

Joint venture

Investment in Unconsolidated Joint Ventures

Management fees, base revenue

$ 4,700

$ 7,900

$ 8,600

The Meadows | Joint venture

Investment in Unconsolidated Joint Ventures

Gain on early extinguishment of debt

$ 10,800

[1]

Deferred Costs (Details) - USD ($) $ in Thousands	Dec. 31, 2013	Dec. 31, 2012
Deferred Costs [Abstract]
Deferred leasing	$ 326,379	$ 285,931
Deferred financing	157,088	152,596
Deferred costs, gross	483,467	438,527
Less accumulated amortization	(216,409)	(177,382)
Deferred costs, net	$ 267,058	$ 261,145

Mortgages and Other Loans Payable (Details) - USD ($)

1 Months Ended

2 Months Ended

3 Months Ended

9 Months Ended

12 Months Ended

Dec. 31, 2013

Oct. 31, 2013

Aug. 30, 2013

Feb. 28, 2013

Apr. 30, 2012

Nov. 30, 2013

Dec. 31, 2013

Sep. 30, 2013

Jun. 30, 2013

Mar. 31, 2013

Dec. 31, 2012

Sep. 30, 2012

Jun. 30, 2012

Mar. 31, 2012

Sep. 30, 2013

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Nov. 30, 2012

Mortgages and Other Loans Payable

Total fixed rate debt

$ 4,130,629,000

$ 3,457,769,000

$ 4,130,629,000

$ 3,457,769,000

Total floating rate debt

729,949,000

1,157,695,000

729,949,000

1,157,695,000

Total mortgages and other loans payable

4,860,578,000

4,615,464,000

4,860,578,000

4,615,464,000

Loss (gain) on early extinguishment of debt

(5,000)

$ 0

$ 10,000

$ 18,513,000

6,978,000

$ 0

18,518,000

6,978,000

$ (904,000)

Revolving credit facility, maximum borrowing capacity

300,000,000.0

$ 1,600,000,000.0

Gross book value of the properties and debt and preferred equity investments collateralizing the mortgages and other loans payable

$ 8,000,000,000

7,600,000,000

$ 8,000,000,000

7,600,000,000

609 Partners, LLC

Mortgages and Other Loans Payable

Interest rate, fixed rate debt (as a percent)

^[1],[2]

5.00%

Total fixed rate debt

^[1]

$ 23,000

23,000

$ 23,000

23,000

609 Partners, LLC | Series E preferred units

Mortgages and Other Loans Payable

Preferred Units, shares issued (shares)

63,900,000

Preferred Units (as a percent)

5.00%

Preferred Units, liquidation preference (in dollars per share)

$ 1.00

Preferred Units, shares outstanding (shares)

22,658

125 Park Avenue

Mortgages and Other Loans Payable

Interest rate, fixed rate debt (as a percent)

^[2]

5.75%

Total fixed rate debt

$ 146,250,000

146,250,000

$ 146,250,000

146,250,000

711 Third Avenue

Mortgages and Other Loans Payable

Interest rate, fixed rate debt (as a percent)

^[2]

4.99%

Total fixed rate debt

$ 120,000,000

120,000,000

$ 120,000,000

120,000,000

625 Madison Avenue

Mortgages and Other Loans Payable

Interest rate, fixed rate debt (as a percent)

^[2]

7.27%

Total fixed rate debt

$ 120,830,000

125,603,000

$ 120,830,000

125,603,000

500 West Putnam

Mortgages and Other Loans Payable

Interest rate, fixed rate debt (as a percent)

^[2]

5.52%

Total fixed rate debt

$ 23,529,000

24,060,000

$ 23,529,000

24,060,000

420 Lexington Avenue

Mortgages and Other Loans Payable

Interest rate, fixed rate debt (as a percent)

^[2]

7.15%

Total fixed rate debt

$ 182,641,000

184,992,000

$ 182,641,000

184,992,000

Landmark Square

Mortgages and Other Loans Payable

Interest rate, fixed rate debt (as a percent)

^[2]

4.00%

Total fixed rate debt

$ 82,909,000

84,486,000

$ 82,909,000

84,486,000

485 Lexington Avenue

Mortgages and Other Loans Payable

Interest rate, fixed rate debt (as a percent)

^[2]

5.61%

Total fixed rate debt

$ 450,000,000

450,000,000

$ 450,000,000

450,000,000

120 West 45th Street

Mortgages and Other Loans Payable

Interest rate, fixed rate debt (as a percent)

^[2]

6.12%

Total fixed rate debt

$ 170,000,000

170,000,000

$ 170,000,000

170,000,000

762 Madison Avenue

Mortgages and Other Loans Payable

Interest rate, fixed rate debt (as a percent)

^[2]

3.75%

Total fixed rate debt

$ 8,211,000

8,371,000

$ 8,211,000

8,371,000

2 Herald Square

Mortgages and Other Loans Payable

Interest rate, fixed rate debt (as a percent)

^[2]

5.36%

Total fixed rate debt

$ 191,250,000

191,250,000

$ 191,250,000

191,250,000

885 Third Avenue

Mortgages and Other Loans Payable

Interest rate, fixed rate debt (as a percent)

^[2]

6.26%

Total fixed rate debt

$ 267,650,000

267,650,000

$ 267,650,000

267,650,000

Other loan payable

Mortgages and Other Loans Payable

Interest rate, fixed rate debt (as a percent)

^[2],[3]

8.00%

Total fixed rate debt

^[3]

$ 50,000,000

50,000,000

$ 50,000,000

50,000,000

One Madison Avenue

Mortgages and Other Loans Payable

Interest rate, fixed rate debt (as a percent)

^[2]

5.91%

Total fixed rate debt

$ 587,336,000

607,678,000

$ 587,336,000

607,678,000

100 Church

Mortgages and Other Loans Payable

Interest rate, fixed rate debt (as a percent)

^[2]

4.68%

Total fixed rate debt

$ 230,000,000

230,000,000

$ 230,000,000

230,000,000

919 Third Avenue

Mortgages and Other Loans Payable

Interest rate, fixed rate debt (as a percent)

^[2],[4]

5.12%

Total fixed rate debt

^[4]

$ 500,000,000

500,000,000

$ 500,000,000

500,000,000

Interest in property (as a percent)

51.00%

400 East 57th Street

Mortgages and Other Loans Payable

Interest rate, fixed rate debt (as a percent)

^[2]

4.13%

Total fixed rate debt

$ 70,000,000

70,000,000

$ 70,000,000

70,000,000

400 East 58th Street

Mortgages and Other Loans Payable

Interest rate, fixed rate debt (as a percent)

^[2]

4.13%

Total fixed rate debt

$ 30,000,000

30,000,000

$ 30,000,000

30,000,000

1515 Broadway

Mortgages and Other Loans Payable

Interest rate, fixed rate debt (as a percent)

^[2],[5]

3.93%

Interest rate, floating rate debt (as a percent)

^[2],[5]

0.00%

Total fixed rate debt

^[5]

$ 900,000,000

Total floating rate debt

^[5]

$ 0

769,813,000

$ 0

769,813,000

Extinguishment of debt

$ 775,000,000

$ 447,200,000

Refinanced mortgage loan

$ 900,000,000.0

$ 775,000,000.0

Term

12 years

7 years

Loss (gain) on early extinguishment of debt

$ 18,500,000

Prepayment penalty

$ 7,600,000

300 Main Street

Mortgages and Other Loans Payable

Interest rate, fixed rate debt (as a percent)

^[2],[6]

0.00%

Total fixed rate debt

^[6]

$ 0

11,500,000

$ 0

11,500,000

220 East 42nd Street

Mortgages and Other Loans Payable

Interest rate, fixed rate debt (as a percent)

^[2],[7]

0.00%

Interest rate, floating rate debt (as a percent)

^[2],[7]

4.05%

Total fixed rate debt

^[7]

$ 0

185,906,000

$ 0

185,906,000

Total floating rate debt

^[7]

$ 275,000,000

Extinguishment of debt

$ 185,900,000

Refinanced mortgage loan

$ 275,000,000.0

Term

7 years

Master repurchase

Mortgages and Other Loans Payable

Interest rate, floating rate debt (as a percent)

^[2],[8]

3.28%

Total floating rate debt

^[8]

$ 91,000,000

116,667,000

$ 91,000,000

116,667,000

Extinguishment of debt

$ 175,000,000

16 Court Street

Mortgages and Other Loans Payable

Interest rate, floating rate debt (as a percent)

^[2],[9]

3.22%

Total floating rate debt

^[9]

$ 79,243,000

Repaid loan

$ 5,000,000

180 Maiden Lane

Mortgages and Other Loans Payable

Interest rate, floating rate debt (as a percent)

^[2],[10]

2.39%

Total floating rate debt

^[10]

$ 262,706,000

271,215,000

$ 262,706,000

271,215,000

248-252 Bedford Avenue

Mortgages and Other Loans Payable

Interest rate, floating rate debt (as a percent)

^[2]

2.44%

Total floating rate debt

$ 22,000,000

$ 0

$ 22,000,000

$ 0

LIBOR | Master repurchase

Mortgages and Other Loans Payable

Interest rate added to base rate (as a percent)

3.50%

3.00%

LIBOR | 16 Court Street

Mortgages and Other Loans Payable

Interest rate added to base rate (as a percent)

3.50%

Variable rate floor (percent)

0.50%

LIBOR | Minimum | Master repurchase

Mortgages and Other Loans Payable

Interest rate added to base rate (as a percent)

2.50%

LIBOR | Maximum | Master repurchase

Mortgages and Other Loans Payable

Interest rate added to base rate (as a percent)

3.25%

[1]	As part of an acquisition, the Operating Partnership issued 63.9 million units of its 5.0% Series E preferred units, or the Series E units, with a liquidation preference of $1.00 per unit. As of December 31, 2013, 22,658 Series E units remaining outstanding.
[2]	Effective weighted average interest rate for the year ended December 31, 2013, taking into account interest rate hedges in effect during the period.
[3]	This loan is secured by a portion of a preferred equity investment.
[4]	We own a 51.0% controlling interest in the joint venture that is the borrower on this loan. This loan is non-recourse to us.
[5]	In April 2012, we refinanced the previous $447.2 million mortgage with a $775.0 million seven-year mortgage. In February 2013, we refinanced the previous $775.0 million mortgage with a new $900.0 million 12-year mortgage and realized a net loss on early extinguishment of debt of approximately $18.5 million, including a prepayment penalty of $7.6 million.
[6]	The property was sold in September 2013.
[7]	In October 2013, we closed on a $275.0 million seven-year mortgage. This new mortgage replaced the $185.9 million previous mortgage that was repaid in August 2013.
[8]	In December 2013, we entered into a new Master Repurchase Agreement, or MRA, with a maximum facility capacity of $300.0 million, under which we agreed to sell certain debt investments in exchange for cash with a simultaneous agreement to repurchase the same debt investments at a certain date or on demand. This new MRA, which bears interest ranging from 250 and 325 basis points over one-month LIBOR depending on the pledged collateral, replaced the previous $175.0 million MRA facility, which bore interest based on one-month LIBOR plus 300 basis points basis points through September 2013 and 350 basis points through November 2013.
[9]	In April 2013, we acquired interests from our joint venture partner, CIF, and have consolidated the entity due to our controlling interest. In December 2013, we repaid $5.0 million of the principal balance and modified and extended the terms of the existing mortgage. The modified mortgage bears interest based on one-month LIBOR plus 350 basis points with a floor of 50 basis points.
[10]	In connection with this consolidated joint venture obligation, we executed a master lease agreement. Our partner has executed a contribution agreement to reflect its pro rata share of the obligation under the master lease.

Corporate Indebtedness (Details)

1 Months Ended

3 Months Ended

12 Months Ended

Dec. 27, 2012

USD ($)

Nov. 30, 2012

USD ($)

extenstion_option

Oct. 31, 2010

USD ($)

$ / shares

Mar. 31, 2007

USD ($)

$ / shares

Jun. 30, 2005

USD ($)

Dec. 31, 2013

USD ($)

Sep. 30, 2013

USD ($)

Jun. 30, 2013

USD ($)

Mar. 31, 2013

USD ($)

Dec. 31, 2012

USD ($)

$ / shares

Sep. 30, 2012

USD ($)

Jun. 30, 2012

USD ($)

Mar. 31, 2012

USD ($)

Dec. 31, 2013

USD ($)

Dec. 31, 2012

USD ($)

$ / shares

Dec. 31, 2011

USD ($)

Corporate Indebtedness

Revolving credit facility, maximum borrowing capacity

$ 1,600,000,000.0

$ 300,000,000.0

Outstanding under line of credit facility

220,000,000

$ 70,000,000

220,000,000

$ 70,000,000

Debt disclosures by scheduled maturity date

Accreted Balance

1,739,330,000

1,734,956,000

1,739,330,000

1,734,956,000

Loss (gain) on early extinguishment of debt

(5,000)

$ 0

$ 10,000

$ 18,513,000

$ 6,978,000

$ 0

18,518,000

6,978,000

$ (904,000)

Scheduled Amortization and Principal Repayments

357,147,000

276,856,000

905,263,000

1,723,493,000

735,568,000

2,969,165,000

Total amortization of debt and principal repayments

6,967,492,000

Interest expense

Interest expense

332,276,000

331,516,000

287,252,000

Interest income

(2,061,000)

(1,619,000)

(2,004,000)

Interest expense, net

330,215,000

329,897,000

285,248,000

Interest capitalized

11,475,000

12,218,000

$ 5,123,000

Joint venture

Principal Repayments

398,312,000

45,332,000

604,510,000

930,338,000

28,000

173,944,000

Total principal repayments

2,152,464,000

2012 Credit Facility

Corporate Indebtedness

Extension option available

6 months

Letters of credit

74,600,000

Ability to borrow under line of credit facility

900,000,000

$ 900,000,000

Revolving credit facility

Corporate Indebtedness

Line of Credit Facility, Extension Fee, Percentage

0.10%

Revolving credit facility, maximum borrowing capacity

$ 1,200,000,000.0

Number of extension options (extension options) | extenstion_option

Maximum borrowing capacity, optional expansion

$ 1,500,000,000.0

Outstanding under line of credit facility

$ 220,000,000

Debt disclosures by scheduled maturity date

Effective Rate (as a percent)

1.62%

Revolving credit facility | Maximum

Corporate Indebtedness

Fee on the unused balance, payable quarterly in arrears (as a percent)

0.35%

Revolving credit facility | Minimum

Corporate Indebtedness

Fee on the unused balance, payable quarterly in arrears (as a percent)

0.15%

Facility fee on total commitments, payable quarterly in arrears (as a percent)

0.30%

Term loan

Corporate Indebtedness

Revolving credit facility, maximum borrowing capacity

$ 400,000,000.0

Outstanding under line of credit facility

$ 400,000,000

Debt disclosures by scheduled maturity date

Effective Rate (as a percent)

2.00%

2011 Revolving Credit Facility

Corporate Indebtedness

Revolving credit facility, maximum borrowing capacity

$ 1,500,000,000

Scheduled Amortization and Principal Repayments

2017

220,000,000

Thereafter

Total amortization of debt and principal repayments

220,000,000

$ 220,000,000

2011 Revolving Credit Facility | Maximum

Corporate Indebtedness

Fee on the unused balance, payable quarterly in arrears (as a percent)

0.45%

2011 Revolving Credit Facility | Minimum

Corporate Indebtedness

Fee on the unused balance, payable quarterly in arrears (as a percent)

0.175%

2007 Revolving Credit Facility

Corporate Indebtedness

Revolving credit facility, maximum borrowing capacity

1,500,000,000

$ 1,500,000,000

2007 Revolving Credit Facility | Maximum

Corporate Indebtedness

Fee on the unused balance, payable quarterly in arrears (as a percent)

0.20%

2007 Revolving Credit Facility | Minimum

Corporate Indebtedness

Fee on the unused balance, payable quarterly in arrears (as a percent)

0.125%

Senior Unsecured Notes

Scheduled Amortization and Principal Repayments

2014

75,898,000

$ 75,898,000

7,000

255,308,000

355,701,000

650,000,000

450,000,000

Total amortization of debt and principal repayments

$ 1,786,914,000

6.00% Senior unsecured notes maturing on March 31, 2016

Debt disclosures by scheduled maturity date

Aggregate principal amount of notes repurchased

$ 42,400,000

Repayment of debt

46,400,000

Loss (gain) on early extinguishment of debt

$ (3,800,000)

5.875% Senior Unsecured Notes

Debt disclosures by scheduled maturity date

Coupon Rate (as a percent)

5.875%

Aggregate principal amount of notes repurchased

$ 22,700,000

6.00% Senior Unsecured Notes

Debt disclosures by scheduled maturity date

Coupon Rate (as a percent)

6.00%

Aggregate principal amount of notes repurchased

$ 19,700,000

3.00% Senior unsecured notes maturing on October 15, 2017

Debt disclosures by scheduled maturity date

Coupon Rate (as a percent)

3.00%

Debt instrument issued, value

$ 345,000,000

Premium on sale price to calculate exchange price of notes (as a percent)

30.00%

Exchange price (in dollars per share) | $ / shares

$ 85.81

Adjusted exchange rate for the debentures (in shares)

11.7153

Amount of convertible debt recorded in equity

$ 78,300,000

Debt Instrument, Unamortized Discount

$ 47,200,000

4.0% exchangeable senior debentures due 2025

Debt disclosures by scheduled maturity date

Coupon Rate (as a percent)

4.00%

Aggregate principal amount of notes repurchased

$ 650,000

Exchange price (in dollars per share) | $ / shares

$ 1.3491

Adjusted exchange rate for the debentures (in shares)

7.7461

3.0% exchangeable senior debentures due 2027

Debt disclosures by scheduled maturity date

Coupon Rate (as a percent)

3.00%

Aggregate principal amount of notes repurchased

$ 6,200,000

Repayment of debt

$ 102,200,000

Debt instrument issued, value

$ 750,000,000

Premium on sale price to calculate exchange price of notes (as a percent)

25.00%

Exchange price (in dollars per share) | $ / shares

$ 173.30

Amount of convertible debt recorded in equity

$ 66,600,000

Term Loans and Trust Preferred Securities

Debt disclosures by scheduled maturity date

Coupon Rate (as a percent)

5.61%

Debt instrument issued, value

$ 100,000,000

Number of years for which securities will bear fixed rate of interest

10 years

Scheduled Amortization and Principal Repayments

Thereafter

$ 100,000,000

Total amortization of debt and principal repayments

100,000,000

Mortgages and other loans payable

Scheduled Amortization

43,976,000

47,312,000

55,938,000

61,213,000

64,205,000

247,407,000

Total amortization of debt

520,051,000

Principal Repayments

237,273,000

229,537,000

594,017,000

1,086,579,000

21,363,000

2,171,758,000

Total principal repayments

4,340,527,000

$ 4,340,527,000

LIBOR | Revolving credit facility

Corporate Indebtedness

Interest rate added to base rate (as a percent)

1.45%

LIBOR | Revolving credit facility | Maximum

Corporate Indebtedness

Interest rate added to base rate (as a percent)

1.75%

LIBOR | Revolving credit facility | Minimum

Corporate Indebtedness

Interest rate added to base rate (as a percent)

1.00%

LIBOR | Term loan

Corporate Indebtedness

Interest rate added to base rate (as a percent)

1.65%

LIBOR | Term loan | Maximum

Corporate Indebtedness

Interest rate added to base rate (as a percent)

2.00%

LIBOR | Term loan | Minimum

Corporate Indebtedness

Interest rate added to base rate (as a percent)

1.15%

LIBOR | 2011 Revolving Credit Facility | Maximum

Corporate Indebtedness

Interest rate added to base rate (as a percent)

1.85%

LIBOR | 2011 Revolving Credit Facility | Minimum

Corporate Indebtedness

Interest rate added to base rate (as a percent)

1.00%

LIBOR | 2007 Revolving Credit Facility | Maximum

Corporate Indebtedness

Interest rate added to base rate (as a percent)

1.10%

LIBOR | 2007 Revolving Credit Facility | Minimum

Corporate Indebtedness

Interest rate added to base rate (as a percent)

0.70%

LIBOR | Term Loans and Trust Preferred Securities

Corporate Indebtedness

Interest rate added to base rate (as a percent)

1.25%

Senior Unsecured Notes

Debt disclosures by scheduled maturity date

Unpaid Principal Balance

1,386,914,000

$ 1,386,914,000

Accreted Balance

1,339,330,000

$ 1,334,956,000

1,339,330,000

$ 1,334,956,000

Senior Unsecured Notes | 5.88% Senior unsecured notes maturing on August 15, 2014

Debt disclosures by scheduled maturity date

Unpaid Principal Balance

^[1],[2]

75,898,000

Accreted Balance

^[1],[2]

$ 75,898,000

75,898,000

$ 75,898,000

75,898,000

Coupon Rate (as a percent)

^[1],[2],[3]

5.88%

Effective Rate (as a percent)

^[1],[2]

5.88%

Term

^[1],[2]

10 years

Senior Unsecured Notes | 6.00% Senior unsecured notes maturing on March 31, 2016

Debt disclosures by scheduled maturity date

Unpaid Principal Balance

^[1],[2]

$ 255,308,000

Accreted Balance

^[1],[2]

$ 255,206,000

255,165,000

$ 255,206,000

255,165,000

Coupon Rate (as a percent)

^[1],[2],[3]

6.00%

Effective Rate (as a percent)

^[1],[2]

6.00%

Term

^[1],[2]

10 years

Senior Unsecured Notes | 3.00% Senior unsecured notes maturing on October 15, 2017

Debt disclosures by scheduled maturity date

Unpaid Principal Balance

^[4]

$ 345,000,000

Accreted Balance

^[4]

$ 297,837,000

287,373,000

$ 297,837,000

287,373,000

Coupon Rate (as a percent)

^[3],[4]

3.00%

Effective Rate (as a percent)

^[4]

3.00%

Term

^[4]

7 years

Senior Unsecured Notes | 5.00% senior unsecured notes maturing on August 15, 2018

Debt disclosures by scheduled maturity date

Unpaid Principal Balance

^[5]

$ 250,000,000

Accreted Balance

^[5]

$ 249,681,000

249,620,000

$ 249,681,000

249,620,000

Coupon Rate (as a percent)

^[3],[5]

5.00%

Effective Rate (as a percent)

^[5]

5.00%

Term

^[5]

7 years

Senior Unsecured Notes | 7.75% Senior unsecured notes maturing on March 15, 2020

Debt disclosures by scheduled maturity date

Unpaid Principal Balance

^[5]

$ 250,000,000

Accreted Balance

^[5]

$ 250,000,000

250,000,000

$ 250,000,000

250,000,000

Coupon Rate (as a percent)

^[3],[5]

7.75%

Effective Rate (as a percent)

^[5]

7.75%

Term

^[5]

10 years

Senior Unsecured Notes | 4.50% senior unsecured notes maturing on December 1, 2022

Debt disclosures by scheduled maturity date

Unpaid Principal Balance

^[5]

$ 200,000,000

Accreted Balance

^[5]

$ 200,000,000

200,000,000

$ 200,000,000

200,000,000

Coupon Rate (as a percent)

^[3],[5]

4.50%

Effective Rate (as a percent)

^[5]

4.50%

Term

^[5]

10 years

Senior Unsecured Notes | 4.0% exchangeable senior debentures due 2025

Debt disclosures by scheduled maturity date

Unpaid Principal Balance

^[1],[6]

$ 7,000

Accreted Balance

^[1],[6]

$ 7,000

7,000

$ 7,000

7,000

Coupon Rate (as a percent)

^[1],[3],[6]

4.00%

Effective Rate (as a percent)

^[1],[6]

4.00%

Term

^[1],[6]

20 years

Senior Unsecured Notes | 3.0% exchangeable senior debentures due 2027

Debt disclosures by scheduled maturity date

Unpaid Principal Balance

^[7]

$ 10,701,000

Accreted Balance

^[7]

$ 10,701,000

$ 16,893,000

$ 10,701,000

$ 16,893,000

Coupon Rate (as a percent)

^[3],[7]

3.00%

Effective Rate (as a percent)

^[7]

3.00%

Term

^[7]

20 years

[1]	Issued by ROP.
[2]	On December 27, 2012, we repurchased $42.4 million of aggregate principal amount of these notes, consisting of $22.7 million of the 5.875% Notes and $19.7 million of the 6.0% Notes, for a total consideration of $46.4 million and realized a net loss on early extinguishment of debt of approximately $3.8 million.
[3]	Interest on the senior unsecured notes is payable semi-annually with principal and unpaid interest due on the scheduled maturity dates.
[4]	In October 2010, the Operating Partnership issued $345.0 million of these exchangeable notes. Interest on these notes is payable semi-annually on April 15 and October 15. The notes had an initial exchange rate representing an exchange price that was set at a 30.0% premium to the last reported sale price of SL Green's common stock on October 6, 2010, or $85.81. The initial exchange rate is subject to adjustment under certain circumstances. The current exchange rate is 11.7153 shares of SL Green's common stock per $1,000 principal amount of these notes. The notes are senior unsecured obligations of the Operating Partnership and are exchangeable upon the occurrence of specified events and during the period beginning on the twenty-second scheduled trading day prior to the maturity date and ending on the second business day prior to the maturity date, into cash or a combination of cash and shares of SL Green's common stock, if any, at our option. The notes are guaranteed by ROP. On the issuance date, $78.3 million of the debt balance was recorded in equity. As of December 31, 2013, approximately $47.2 million remained to be amortized into the debt balance.
[5]	Issued by the Company, the Operating Partnership and ROP, as co-obligors.
[6]	Exchangeable senior debentures which are currently callable at par. In addition, the debentures can be put to ROP, at the option of the holder at par plus accrued and unpaid interest, on June 15, 2015 and 2020 and upon the occurrence of certain change of control transactions. As a result of the acquisition of all outstanding shares of common stock of Reckson, or the Reckson Merger, the adjusted exchange rate for the debentures is 7.7461 shares of SL Green's common stock per $1,000 of principal amount of debentures and the adjusted reference dividend for the debentures is $1.3491. During the year ended December 31, 2012, we repurchased $650,000 of these bonds at par.
[7]	In March 2007, the Operating Partnership issued $750.0 million of these exchangeable notes. Interest on these notes is payable semi-annually on March 30 and September 30. The notes have an initial exchange rate representing an exchange price that was set at a 25.0% premium to the last reported sale price of the Company's common stock on March 20, 2007, or $173.30. The initial exchange rate is subject to adjustment under certain circumstances. The notes are senior unsecured obligations of the Operating Partnership and are exchangeable upon the occurrence of specified events and during the period beginning on the twenty-second scheduled trading day prior to the maturity date and ending on the second business day prior to the maturity date, into cash or a combination of cash and shares of SL Green's common stock, if any, at our option. The notes are currently redeemable at the Operating Partnership’s option. The Operating Partnership may be required to repurchase the notes on March 30, 2017 and 2022, and upon the occurrence of certain designated events. On March 30, 2012, we repurchased $102.2 million of aggregate principal amount of the exchangeable notes pursuant to a mandatory offer to repurchase the notes. On the issuance date, $66.6 million was recorded in equity and was fully amortized into the debt balance as of March 31, 2012. During the year ended December 31, 2013, we repurchased $6.2 million of aggregate principal amount of exchangeable notes at approximately at par.

Related Party Transactions (Details)	12 Months Ended
Related Party Transactions (Details)	Dec. 31, 2013 USD ($) ft²	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)
Amounts due from/to related parties
Due from joint ventures	$ 2,376,000	$ 511,000
Other	6,154,000	7,020,000
Related party receivables	8,530,000	7,531,000
Due to a joint venture (included in Accounts payable and accrued expenses)	0	(8,401,000)
Alliance Building Services
Related Party Transactions
Profit participation from related party	3,500,000	4,000,000	$ 2,700,000
Payments made for services	19,500,000	17,900,000	16,100,000
A-List Marketing, LLC
Related Party Transactions
Payments made for services	$ 293,636	155,500	140,300
Nancy Peck and Company
Related Party Transactions
Space at 420 Lexington Avenue leased (sqft) \| ft²	1,003
Lease rent due per year	$ 35,516
Increased lease rent due per year beginning in year seven	40,000
Entity with Stephen L Green ownership interest
Related Party Transactions
Property management fees from related party	$ 441,093	$ 384,900	$ 420,300

Noncontrolling Interests on the Company's Consolidated Financial Statements (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended		12 Months Ended
	Jan. 31, 2012	Nov. 30, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Rollforward analysis of the activity relating to the noncontrolling interests in the operating partnership
Balance at beginning of period			$ 212,907
Distributions				$ (21,946)	$ (143,579)
Net income			3,023	5,597	14,629
Accumulated other comprehensive income (loss) allocation			611	(388)	(291)
Balance at end of period			$ 265,476	$ 212,907
Series G Preferred Units
Organization
Number of preferred units issued (in shares)			1,902,000	1,902,000
Liquidation preference of preferred units (in dollars per share)			$ 25	$ 25
Series H Preferred Units
Organization
Number of preferred units issued (in shares)			80,000	80,000
Liquidation preference of preferred units (in dollars per share)			$ 25	$ 25
SL Green Operating Partnership
Organization
Noncontrolling interest in the operating partnership (as a percent)			2.96%	2.94%
Number of units of operating partnership owned by the noncontrolling interest unit holders (shares)			2,902,317	2,759,758
Shares of common stock reserved for issuance upon redemption of units of limited partnership interest in operating partnership (shares)			2,902,317
Rollforward analysis of the activity relating to the noncontrolling interests in the operating partnership
Balance at beginning of period	$ 195,030		$ 212,907	$ 195,030
Distributions			(4,146)	(3,296)
Issuance of common units			24,750	42,239
Redemption of common units			(17,287)	(87,513)
Net income			3,023	5,597
Accumulated other comprehensive income (loss) allocation			611	(388)
Fair value adjustment			45,618	61,238
Balance at end of period			$ 265,476	$ 212,907	$ 195,030
SL Green Operating Partnership \| Series G Preferred Units
Organization
Number of preferred units issued (in shares)	1,902,000
Dividend rate preferred units (as a percent)	4.50%
Liquidation preference of preferred units (in dollars per share)	$ 25.00
Annual dividends on preferred units (in dollars per share)	1.125
Operating partnership common stock value use for conversion of preferred units (in dollars per share)	$ 88.50
Number of company common stock issue on redemption of operation partnership common units	1
SL Green Operating Partnership \| Series H Preferred Units
Organization
Number of preferred units issued (in shares)		80,000
Dividend rate preferred units (as a percent)		6.00%
Liquidation preference of preferred units (in dollars per share)		$ 25.00
Annual dividends on preferred units (in dollars per share)		$ 1.50
SL Green Operating Partnership \| Series E preferred units
Organization
Number of preferred units issued (in shares)		22,658
Dividend rate preferred units (as a percent)		5.00%
Annual dividends on preferred units (in dollars per share)		$ 1.00
SL Green Operating Partnership \| Series F Preferred Units
Organization
Number of preferred units issued (in shares)		60
Annual dividends on preferred units (in dollars per share)		$ 1,000.00

Stockholders' Equity of the Company (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	12 Months Ended
	Nov. 30, 2013	Dec. 31, 2013	Dec. 31, 2012
Stockholders' Equity Note [Abstract]
Authorized capital stock (in shares)		260,000,000
Authorized shares, par value (in dollars per share)		$ 0.01
Common stock, shares authorized (shares)		160,000,000	160,000,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Share Price	$ 95.94
Excess stock, shares authorized (shares)		75,000,000
Excess stock, par value (in dollars per share)		$ 0.01
Preferred stock, shares authorized (shares)		25,000,000
Preferred stock, par value (in dollars per share)		$ 0.01
Shares issued (shares)		94,993,284
Shares outstanding (shares)		0
Issuance of common stock (shares)	2,600,000
Issuance of common stock	$ 248,900	$ 290,699	$ 221,965

Stockholders' Equity of the Company (Details 2) - USD ($)		1 Months Ended					3 Months Ended								6 Months Ended	12 Months Ended
	Jul. 14, 2012	Nov. 30, 2013	Jun. 30, 2013	Sep. 30, 2012	Aug. 31, 2012	Jul. 31, 2012	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Jun. 30, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Jul. 31, 2011
Stockholders' Equity
Issuance of common stock (shares)		2,600,000
Net proceeds from sale of common stock																$ 290,699,000	$ 201,279,000	$ 516,168,000
Net proceeds from sale of preferred stock																$ 0	$ 221,965,000	0
Common stock, shares authorized (shares)							160,000,000				160,000,000					160,000,000	160,000,000
Preferred stock redemption costs							$ 0	$ 0	$ 12,160,000	$ 0	$ 0	$ 10,010,000	$ 0	$ 0		$ 12,160,000	$ 10,010,000	$ 0
At-the-market equity offering programs
Stockholders' Equity
Aggregate value of the shares of common stock to be sold																			$ 250,000,000
Issuance of common stock (shares)																462,276
Aggregate gross proceeds from shares sold																$ 42,500,000
Net proceeds from sale of common stock																41,800,000
Aggregate value of shares available for issuance							$ 2,800,000									$ 2,800,000
Series I Preferred Stock
Stockholders' Equity
Preferred stock, shares outstanding (shares)							9,200,000				9,200,000					9,200,000	9,200,000
Perpetual Preferred Units (as a percent)																6.50%
Perpetual Preferred stock, liquidation preference (in dollars per share)							$ 25.00				$ 25.00					$ 25.00	$ 25.00
Perpetual Preferred stock, annual dividends per share (in dollars per share)																$ 1.625
Net proceeds from sale of preferred stock					$ 221,900,000
Series C Preferred Stock
Stockholders' Equity
Preferred stock, shares outstanding (shares)			7,700,000	11,700,000					7,700,000		7,700,000	11,700,000			7,700,000		7,700,000
Perpetual Preferred Units (as a percent)			7.625%												7.625%
Perpetual Preferred stock, liquidation preference (in dollars per share)			$ 25.00						$ 25.00		$ 25.00				$ 25.00		$ 25.00
Perpetual Preferred stock, annual dividends per share (in dollars per share)			$ 0.3495	$ 0.3707											$ 1.90625
Preferred stock redeemed (in shares)				4,000,000								4,000,000
Preferred stock Redemption (in dollars per share)				$ 25.00								$ 25.00
Preferred stock redemption costs			$ 12,200,000	$ 6,300,000
Series D Preferred Stock
Stockholders' Equity
Perpetual Preferred Units (as a percent)						7.875%
Perpetual Preferred stock, annual dividends per share (in dollars per share)	$ 0.4922					$ 1.96875
Preferred stock redeemed (in shares)						4,000,000
Preferred stock Redemption (in dollars per share)						$ 25.00
Preferred stock redemption costs						$ 3,700,000
Dividend Reinvestment and Stock Purchase Plan (DRIP)
Stockholders' Equity
Issuance of common stock (shares)																761	1,300,000
Net proceeds from sale of common stock																$ 66,600	$ 99,600,000
Common stock, shares authorized (shares)														3,500,000

Stockholders' Equity of the Company (Details 3) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Basic Earnings:
Net income attributable to SL Green common stockholders	$ 37,120	$ 37,025	$ 8,276	$ 18,909	$ 19,956	$ 7,732	$ 103,040	$ 25,256	$ 101,330	$ 155,984	$ 617,232
Effect of Dilutive Securities:
Redemption of units to common shares									0	0	0
Diluted Earnings:
Income attributable to SLGOP common unitholders									$ 104,353	$ 161,581	$ 631,861
Basic Shares:
Basic weighted average common shares outstanding (in shares)									92,269,000	89,319,000	83,762,000
Effect of Dilutive Securities:
Redemption of units to common shares (shares)									2,735,000	3,207,000	1,985,000
Stock-based compensation plans (in shares)									262,000	347,000	497,000
Diluted weighted average common stock outstanding (shares)									95,266,000	92,873,000	86,244,000
Common stock shares excluded from the diluted shares outstanding									964,789	627,000	680,000
3.0% exchangeable senior debentures due 2017
Effect of Dilutive Securities:
Stock-based compensation plans (in shares)									0	0	0
Interest rate (as a percent)	3.00%								3.00%
3.0% exchangeable senior debentures due 2027
Effect of Dilutive Securities:
Stock-based compensation plans (in shares)									0	0	0
Interest rate (as a percent)	3.00%								3.00%
4.0% exchangeable senior debentures due 2025
Effect of Dilutive Securities:
Stock-based compensation plans (in shares)									0	0	0
Interest rate (as a percent)	4.00%								4.00%
Common Stock
Effect of Dilutive Securities:
Redemption of units to common shares									$ 3,023	$ 5,597	$ 14,629
Stock options
Effect of Dilutive Securities:
Redemption of units to common shares									$ 0	$ 0	$ 0

Partners' Capital of the Operating Partnership (Details) - shares	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Common Stock
Stockholders' Equity
Shares outstanding (shares)	94,993,000	91,250,000	85,783,000	78,307,000
SL Green Operating Partnership
Stockholders' Equity
Noncontrolling interest in the operating partnership (as a percent)	2.96%	2.94%
Number of units of operating partnership owned by the noncontrolling interest unit holders (shares)	2,902,317	2,759,758
SL Green Operating Partnership \| Common Stock
Stockholders' Equity
Shares outstanding (shares)	94,993,284
SL Green Operating Partnership \| Series I Preferred Units
Stockholders' Equity
Shares outstanding (shares)	9,200,000

Partners' Capital of the Operating Partnership-EPS (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Stockholders' Equity
Net income attributable to SL Green common stockholders	$ 37,120	$ 37,025	$ 8,276	$ 18,909	$ 19,956	$ 7,732	$ 103,040	$ 25,256	$ 101,330	$ 155,984	$ 617,232
Redemption of units to common shares									0	0	0
Income attributable to SLGOP common unitholders									$ 104,353	$ 161,581	$ 631,861
Basic weighted average common shares outstanding (in shares)									92,269,000	89,319,000	83,762,000
Stock-based compensation plans (in shares)									262,000	347,000	497,000
Common stock shares excluded from the diluted shares outstanding									964,789	627,000	680,000
SL Green Operating Partnership
Stockholders' Equity
Net income attributable to SL Green common stockholders									$ 104,353	$ 161,581	$ 631,861
Income attributable to SLGOP common unitholders									$ 104,353	$ 161,581	$ 631,861
Basic weighted average common shares outstanding (in shares)									95,004,000	92,526,000	85,747,000
Stock-based compensation plans (shares)									262,000	347,000	497,000
Diluted weighted average common units outstanding (shares)									95,266,000	92,873,000	86,244,000
Common stock shares excluded from the diluted shares outstanding									964,789.000	627,000	680,000
3.0% exchangeable senior debentures due 2017 \| SL Green Operating Partnership
Stockholders' Equity
Interest rate (as a percent)	3.00%								3.00%
Stock-based compensation plans (in shares)									0	0	0
3.0% exchangeable senior debentures due 2027
Stockholders' Equity
Interest rate (as a percent)	3.00%								3.00%
Stock-based compensation plans (in shares)									0	0	0
3.0% exchangeable senior debentures due 2027 \| SL Green Operating Partnership
Stockholders' Equity
Interest rate (as a percent)	3.00%								3.00%
Stock-based compensation plans (in shares)									0	0	0
4.0% exchangeable senior debentures due 2025
Stockholders' Equity
Interest rate (as a percent)	4.00%								4.00%
Stock-based compensation plans (in shares)									0	0	0
4.0% exchangeable senior debentures due 2025 \| SL Green Operating Partnership
Stockholders' Equity
Interest rate (as a percent)	4.00%								4.00%
Stock-based compensation plans (in shares)									0	0	0

Share-based Compensation (Details) - USD ($)	12 Months Ended
Share-based Compensation (Details) - USD ($)	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Restricted Stock Awards
Options Outstanding
Weighted average fair value of options granted during the year	$ 17,386,949	$ 7,023,942	$ 21,768,084
Summary of restricted stock
Balance at beginning of year (in shares)	2,804,901	2,912,456	2,728,290
Granted (in shares)	192,563	92,729	185,333
Cancelled (in shares)	(3,267)	(200,284)	(1,167)
Balance at end of period (in shares)	2,994,197	2,804,901	2,912,456
Vested during the period (in shares)	21,074	408,800	66,299
Compensation expense recorded	$ 6,713,155	$ 6,930,381	$ 17,365,401
Weighted average fair value of restricted stock granted during the year	$ 17,386,949	$ 7,023,942	$ 21,768,084
Stock options
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Dividend yield (as a percent)	1.92%	2.00%	2.00%
Expected life of option	4 years 1 month 6 days	3 years 8 months 12 days	4 years 2 months 12 days
Risk-free interest rate (as a percent)	0.96%	0.46%	1.00%
Expected stock price volatility (as a percent)	36.12%	37.40%	47.98%
Options Outstanding
Balance at beginning of year (in shares)	1,201,000	1,277,200	1,353,002
Granted (in shares)	828,100	361,331	212,400
Exercised (in shares)	(223,531)	(382,612)	(243,901)
Lapsed or cancelled (in shares)	(40,535)	(54,919)	(44,301)
Balance at end of period (in shares)	1,765,034	1,201,000	1,277,200
Options exercisable at end of period (in shares)	461,458	479,913	644,429
Weighted average fair value of options granted during the year	$ 18,041,576	$ 6,602,967	$ 4,647,554
Weighted Average Exercise Price
Balance at beginning of year (in dollars per share)	$ 75.05	$ 63.37	$ 58.85
Granted (in dollars per share)	87.23	75.36	66.42
Exercised (in dollars per share)	53.93	36.65	40.48
Lapsed or cancelled (in dollars per share)	83.94	72.99	65.89
Balance at end of period (in dollars per share)	83.24	75.05	63.37
Options exercisable at end of period (in dollars per share)	$ 89.38	$ 86.85	$ 72.31
Summary of restricted stock
Compensation expense recorded	$ 6,500,000	$ 5,100,000	$ 4,700,000
Weighted average fair value of restricted stock granted during the year	$ 18,041,576	$ 6,602,967	$ 4,647,554

Share-based Compensation-Additional Information (Details)	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2013 USD ($) fungibleunits $ / shares shares	Dec. 31, 2012 USD ($) shares	Dec. 31, 2011 USD ($) shares	Dec. 11, 2013	Dec. 17, 2012	Aug. 31, 2011 USD ($)	Dec. 31, 2010 shares	Jan. 31, 2008 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cost of the plan, subject to adjustment for forfeitures		$ 4,500,000	$ 4,100,000	$ 3,400,000
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period of commencement of option vesting, from date of grant		1 year
Exercise price of options granted, low end of the range (in dollars per share) \| $ / shares		$ 20.67
Exercise price of options granted, high end of the range (in dollars per share) \| $ / shares		$ 137.18
Remaining weighted average contractual life of the options outstanding		4 years 7 months 6 days
Remaining weighted average contractual life of the options exercisable		3 years 9 months 28 days
Compensation expense		$ 6,500,000	5,100,000	4,700,000
Total unrecognized compensation cost related to unvested stock awards		$ 20,300,000
Weighted average period for recognition of compensation cost related to unvested stock awards		3 years
Weighted average fair value of options granted during the year		$ 18,041,576	6,602,967	4,647,554
Stock options \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award expiration period		5 years
Options vesting period		1 year
Stock options \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award expiration period		10 years
Options vesting period		5 years
Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense		$ 6,713,155	6,930,381	17,365,401
Total unrecognized compensation cost related to unvested stock awards		$ 17,800,000
Weighted average period for recognition of compensation cost related to unvested stock awards		2 years 8 months
Annual award vesting rate, low end of range (as a percent)		15.00%
Annual award vesting rate, high end of range (as a percent)		35.00%
Fair value of restricted stock vested during the period		$ 1,600,000	22,400,000	4,300,000
Weighted average fair value of options granted during the year		$ 17,386,949	$ 7,023,942	$ 21,768,084
Awards granted (in shares) \| shares		192,563	92,729	185,333
Phantom stock units outstanding (in shares) \| shares		2,994,197	2,804,901	2,912,456				2,728,290
LTIP units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average fair value of options granted during the year		$ 27,100,000.0	$ 0	$ 8,500,000
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation cost related to unvested stock awards		$ 5,000,000
Weighted average period for recognition of compensation cost related to unvested stock awards		1 year 6 months
Share-based Compensation		$ 27,300,000	12,600,000	8,500,000
2010 Notional Unit Long-Term Compensation Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense		4,500,000	$ 10,700,000	$ 9,300,000
Cost of the plan, subject to adjustment for forfeitures		31,700,000
Approximate amount of awards that may be earned by recipients after beginning of the second year if maximum performance achieved		25,000,000
Approximate amount of awards that may be earned by recipients after beginning of the third year if maximum performance achieved		$ 25,000,000
Minimum stock price appreciation to earn maximum amount of awards (as a percent)		50.00%
LTIP units earned (in shares) \| shares			327,416	385,583				366,815
Percentage of LTIP Units earned, vested on December 17, 2012 (percent)					25.00%	50.00%
2010 Notional Unit Long-Term Compensation Plan \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Approximate amount of LTIP units that may be earned by the recipients based on stock price appreciation		$ 15,000,000
2010 Notional Unit Long-Term Compensation Plan \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Approximate amount of LTIP units that may be earned by the recipients based on stock price appreciation		$ 75,000,000
Third Amendment and Restated 2005 Stock Option and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum fungible units that may be granted (in shares) \| fungibleunits		17,130,000
Fungible units per share (fungible units) \| fungibleunits		2.76
Shares that may be issued if equal to fungible units (shares) \| shares		17,130,000
Share-based Compensation Arrangement By Share-based Payment Award, Number Of Fungible Units Available For Grant \| shares		4,200,000
Stock options, stock appreciation rights and other awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fungible units per share (fungible units) \| fungibleunits		0.77
Award expiration period		5 years
All other awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fungible units per share (fungible units) \| fungibleunits		1.0
Award expiration period		10 years
2011 Outperformance Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense		$ 8,000,000	$ 5,500,000	$ 100,000
Cost of the plan, subject to adjustment for forfeitures		$ 26,300,000
Approximate amount of LTIP units that may be earned by the recipients based on stock price appreciation							$ 85,000,000
Value of LTIP Units that could be earned expressed as percentage of outperformance amount in excess of the 30% benchmark (percent)							10.00%
Duration period return to stockholders exceeds 25%		3 years
Cumulative return to stockholders (percent)		25.00%
Return to stockholders		$ 85,000,000.0
Portion of earned LTIP Units vested		one-third
Percentage of LTIP Units earned, vesting on August 31, 2014 (percent)		50.00%
Percentage of LTIP Units earned, vesting on August 31, 2015 (percent)		50.00%
Deferred Stock Compensation Plan for Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum percentage of the annual retainer fee, chairman fees and meeting fees that may be deferred by non-employee directors (percent)		100.00%
Awards granted (in shares) \| shares		7,622
Phantom stock units outstanding (in shares) \| shares		73,524
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of common stock available for issuance (shares) \| shares									500,000
Duration of each offering period starting the first day of each calendar quarter	3 months
Purchase price as a percentage of market value of the common stock (percent)		85.00%
Shares of common stock issued (shares) \| shares		73,635

Accumulated Other Comprehensive Loss of the Company (Details) - USD ($)
$ in Thousands

12 Months Ended

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Accumulated Other Comprehensive Income (Loss) of the Company [Roll Forward]

Beginning Balance

$ (29,587)

Ending Balance

(15,211)

$ (29,587)

Deferred net losses from terminated hedges

13,800

15,000

$ 16,300

SL Green Realty Corp

Accumulated Other Comprehensive Income (Loss) of the Company [Roll Forward]

Beginning Balance

(29,587)

(28,445)

(22,659)

Other comprehensive (loss) income before reclassifications

7,573

(15,101)

(19,615)

Amounts reclassified from accumulated other comprehensive income (loss)

6,803

13,959

13,829

Ending Balance

(15,211)

(29,587)

(28,445)

SL Green Realty Corp | Net unrealized loss on derivative instruments

Accumulated Other Comprehensive Income (Loss) of the Company [Roll Forward]

Beginning Balance

^[1]

(16,834)

(17,510)

(14,009)

Other comprehensive (loss) income before reclassifications

^[1]

(168)

(1,124)

(5,019)

Amounts reclassified from accumulated other comprehensive income (loss)

^[1]

1,877

1,800

1,518

Ending Balance

^[1]

(15,125)

(16,834)

(17,510)

SL Green Realty Corp | Unrealized gains and loss on marketable securities

Accumulated Other Comprehensive Income (Loss) of the Company [Roll Forward]

Beginning Balance

3,310

6,466

9,653

Other comprehensive (loss) income before reclassifications

1,474

(4,879)

(4,682)

Amounts reclassified from accumulated other comprehensive income (loss)

1,723

1,495

Ending Balance

4,784

3,310

6,466

SL Green Realty Corp | Joint venture | Net unrealized loss on derivative instruments

Accumulated Other Comprehensive Income (Loss) of the Company [Roll Forward]

Beginning Balance

^[2]

(16,063)

(17,401)

(18,303)

Other comprehensive (loss) income before reclassifications

^[2]

6,267

(9,098)

(9,914)

Amounts reclassified from accumulated other comprehensive income (loss)

^[2]

4,926

10,436

10,816

Ending Balance

^[2]

$ (4,870)

$ (16,063)

$ (17,401)

[1]

[2]

Amount reclassified from accumulated other comprehensive income (loss) is included in equity in net income from unconsolidated joint ventures in the respective consolidated statements of income.

- Definition

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

+ References + Details

Accumulated Other Comprehensive Loss of the Operating Partnership (Details) - USD ($)
$ in Thousands

12 Months Ended

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Accumulated Other Comprehensive Income (Loss) of the Operating Partnership [Roll Forward]

Beginning Balance

$ (29,587)

Ending Balance

(15,211)

$ (29,587)

Deferred net losses from terminated hedges

13,800

15,000

$ 16,300

SL Green Operating Partnership

Accumulated Other Comprehensive Income (Loss) of the Operating Partnership [Roll Forward]

Beginning Balance

(30,649)

(29,119)

(23,042)

Other comprehensive (loss) income before reclassifications

7,982

(15,991)

(20,233)

Amounts reclassified from accumulated other comprehensive income (loss)

7,005

14,461

14,156

Ending Balance

(15,662)

(30,649)

(29,119)

Deferred net losses from terminated hedges

14,200

15,500

16,700

Unrealized gains and loss on marketable securities | SL Green Operating Partnership

Accumulated Other Comprehensive Income (Loss) of the Operating Partnership [Roll Forward]

Beginning Balance

^[1]

(17,438)

(18,391)

(14,246)

Other comprehensive (loss) income before reclassifications

^[1]

(68)

(912)

(5,699)

Amounts reclassified from accumulated other comprehensive income (loss)

^[1]

1,933

1,865

1,554

Ending Balance

^[1]

(15,573)

(17,438)

(18,391)

Net unrealized loss on derivative instruments | SL Green Operating Partnership

Accumulated Other Comprehensive Income (Loss) of the Operating Partnership [Roll Forward]

Beginning Balance

3,429

7,086

9,817

Other comprehensive (loss) income before reclassifications

1,497

(5,442)

(4,261)

Amounts reclassified from accumulated other comprehensive income (loss)

1,785

1,530

Ending Balance

4,926

3,429

7,086

Joint venture | Unrealized gains and loss on marketable securities | SL Green Operating Partnership

Accumulated Other Comprehensive Income (Loss) of the Operating Partnership [Roll Forward]

Beginning Balance

^[2]

(16,640)

(17,814)

(18,613)

Other comprehensive (loss) income before reclassifications

^[2]

6,553

(9,637)

(10,273)

Amounts reclassified from accumulated other comprehensive income (loss)

^[2]

5,072

10,811

11,072

Ending Balance

^[2]

$ (5,015)

$ (16,640)

$ (17,814)

[1]

Amount reclassified from accumulated other comprehensive income (loss) is included in interest expense in the respective consolidated statements of income. As of December 31, 2013, 2012 and 2011, the deferred net losses from these terminated hedges, which is included in accumulated other comprehensive loss relating to net unrealized loss on derivative instrument, was approximately $14.2 million, $15.5 million and $16.7 million, respectively.

[2]

Amount reclassified from accumulated other comprehensive income (loss) is included in equity in net income from unconsolidated joint ventures in the respective consolidated statements of income.

- Definition

+ References + Details

Fair Value Measurements (Details) - USD ($) $ in Thousands	Dec. 31, 2013	Dec. 31, 2012
Fair Value of Financial Instruments
Marketable securities	$ 32,049	$ 21,429
Interest rate swap agreements (included in accrued interest payable and other liabilities)	1,329	1,959
Debt and preferred equity investments	1,304,839	1,348,434
Carrying Value
Fair Value of Financial Instruments
Fixed rate debt	5,599,960	4,922,725
Variable rate debt	1,319,948	1,597,695
Notional Value	6,919,908	6,520,420
Fair Value
Fair Value of Financial Instruments
Notional Value	7,214,402	6,891,738
Estimated fair value of debt and preferred equity investments, low end of range	1,300,000
Estimated fair value of debt and preferred equity investments, high end of range	1,400,000
Level 3 \| Carrying Value
Fair Value of Financial Instruments
Debt and preferred equity investments	1,304,839	1,348,434
Level 3 \| Fair Value
Fair Value of Financial Instruments
Fixed rate debt	5,886,980	5,334,244
Variable rate debt	1,327,422	1,557,494
Equity marketable securities \| Level 1
Fair Value of Financial Instruments
Marketable securities	4,307	2,202
Interest rate swap agreements (included in accrued interest payable and other liabilities)	0	0
Commercial mortgage-backed securities \| Level 2
Fair Value of Financial Instruments
Marketable securities	24,419	15,575
Interest rate swap agreements (included in accrued interest payable and other liabilities)	1,329	1,959
Rake bonds \| Level 3
Fair Value of Financial Instruments
Marketable securities	3,323	3,652
Interest rate swap agreements (included in accrued interest payable and other liabilities)	$ 0	$ 0

Financial Instruments: Derivatives and Hedging (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Financial Instruments: Derivatives and Hedging
Interest rate swap agreements (included in accrued interest payable and other liabilities	$ (1,329)	$ (1,959)
Loss from settlement of hedges included in accumulated other comprehensive loss	(16)	(770)	$ (66)
Estimated current balance held in accumulated other comprehensive loss to be reclassified into earnings within the next 12 months	2,700
Share of joint venture of accumulated other comprehensive loss reclassified into equity in net income from unconsolidated joint ventures within the next 12 months	5,000
Amount of Gain or (Loss) Recognized in Other Comprehensive Loss (Effective Portion)	6,485	(10,549)	(15,972)
Amount of Loss Reclassified from Accumulated Other Comprehensive Loss into Income (Effective Portion)	7,005	12,676	12,626
Amount of Gain or (Loss) or Recognized into Income (Ineffective Portion)	3	3	(16)
Derivative, Fair Value, Net	1,322
Interest Rate Swap
Financial Instruments: Derivatives and Hedging
Amount of Gain or (Loss) Recognized in Other Comprehensive Loss (Effective Portion)	(68)	(912)	(5,699)
Amount of Loss Reclassified from Accumulated Other Comprehensive Loss into Income (Effective Portion)	1,933	1,865	1,554
Amount of Gain or (Loss) or Recognized into Income (Ineffective Portion)	3	3	(16)
Interest Rate Cap expiring in November, 2015
Financial Instruments: Derivatives and Hedging
Notional Value	$ 263,426
Strike Rate (as a percent)	6.00%
Derivative Asset, Fair Value, Gross Asset	$ 9
Interest Rate Cap Expiring in September 2015
Financial Instruments: Derivatives and Hedging
Notional Value	$ 137,500
Strike Rate (as a percent)	4.00%
Derivative Asset, Fair Value, Gross Asset	$ 7
Interest Rate Cap expiring in June, 2016
Financial Instruments: Derivatives and Hedging
Notional Value	$ 30,000
Strike Rate (as a percent)	2.295%
Interest rate swap agreements (included in accrued interest payable and other liabilities	$ (1,293)
Interest Rate Swap expiring in February, 2015
Financial Instruments: Derivatives and Hedging
Notional Value	$ 8,500
Strike Rate (as a percent)	0.74%
Interest rate swap agreements (included in accrued interest payable and other liabilities	$ (45)
Level 2 \| Interest Rate Swap expiring in February, 2015
Financial Instruments: Derivatives and Hedging
Loss from settlement of hedges included in accumulated other comprehensive loss		(700)
Joint venture
Financial Instruments: Derivatives and Hedging
Amount of Gain or (Loss) Recognized in Other Comprehensive Loss (Effective Portion)	6,553	(9,637)	(10,273)
Amount of Loss Reclassified from Accumulated Other Comprehensive Loss into Income (Effective Portion)	5,072	10,811	11,072
Amount of Gain or (Loss) or Recognized into Income (Ineffective Portion)	$ 0	$ 0	$ 0

Rental Income (Details) $ in Thousands	Dec. 31, 2013 USD ($)
Consolidated properties
Approximate future minimum rents to be received over the next five years and thereafter for non-cancelable operating leases
2014	$ 992,002
2015	939,016
2016	870,664
2017	792,471
2018	733,754
Thereafter	3,785,428
Total minimum lease payments	8,113,335
Unconsolidated properties
Approximate future minimum rents to be received over the next five years and thereafter for non-cancelable operating leases
2014	245,879
2015	195,447
2016	214,616
2017	201,671
2018	202,309
Thereafter	1,911,877
Total minimum lease payments	$ 2,971,799

Benefit Plans (Details) - USD ($) $ in Thousands	12 Months Ended				21 Months Ended
Benefit Plans (Details) - USD ($) $ in Thousands	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2000	Oct. 02, 2010
Multi-employer plans
Plan contributions	$ 17,293	$ 16,551	$ 14,294
Quarterly diversion of employer contributions from the Health Plan to the Pension Plan					$ 1,950
401 (K) Plan
Employee contribution limit per calendar year (percent)	15.00%
Employer match of employee contributions of first specified percentage of annual compensation (percent)	50.00%	50.00%	50.00%	50.00%
Percentage of eligible compensation matched by employer (percent)	6.00%	6.00%	6.00%	4.00%
Matching contribution	$ 550	$ 561	$ 502
Pension Plan
Multi-employer plans
Plan contributions	221,900	212,700	201,300
Health Plan
Multi-employer plans
Plan contributions	923,500	893,300	843,200
Pension Plan
Multi-employer plans
Plan contributions	2,765	2,506	2,264
Health Plan
Multi-employer plans
Plan contributions	8,522	8,020	6,919
Other plans
Multi-employer plans
Plan contributions	$ 6,006	$ 6,025	$ 5,111

Commitments and Contingencies (Details)	10 Months Ended	12 Months Ended
Commitments and Contingencies (Details)	Oct. 31, 2012 USD ($)	Dec. 31, 2013 USD ($) portfolio	Dec. 31, 2012 USD ($)
Commitments and Contingencies.
Employment agreements with certain executives, minimum cash-based compensation for next fiscal year		$ 4,700,000
Employment agreements with certain executives, grant date value of deferred compensation awards		$ 1,200,000
Number of property insurance portfolios for which all-risk property and rental value coverage is maintained (portfolio) \| portfolio		2
Belmont
Commitments and Contingencies.
Loss reserves		$ 7,000,000	$ 6,200,000
Property and rental value coverage
Commitments and Contingencies.
Blanket limit per occurrence maintained under first property portfolio (up to $950 million)		950,000,000.0
Limit per occurrence maintained under second property portfolio (up to $700 million)		700,000,000.0
Amount of flood coverage (up to $100 million)		$ 100,000,000.0
Limit per occurrence and in aggregate per location under liability policies (up to $201 million)	$ 201,000,000

Commitments and Contingencies (Details 2) $ in Thousands	1 Months Ended				12 Months Ended
Commitments and Contingencies (Details 2) $ in Thousands	Nov. 30, 2012	Oct. 31, 2012 USD ($)	Jul. 31, 2011 USD ($)	Apr. 30, 1988	Dec. 31, 2013 USD ($) extenstion_option	Dec. 31, 2012 USD ($)
Commitments and Contingencies
Capital lease, cost basis					$ 50,310	$ 40,340
420 Lexington Avenue
Commitments and Contingencies
Number of renewal options available (extension option) \| extenstion_option					2
Annual ground lease payments through December 2019					$ 10,900
Annual ground lease payments through December 2029					11,200
Annual ground lease payments due thereafter					$ 12,300
Value of land as a percentage of the fair market value of the property (percent)					6.00%
1080 Amsterdam Avenue
Commitments and Contingencies
Value of land as a percentage of the fair market value of the property (percent)		40.00%
Prepayment of ground lease rent		$ 13,000
Cumulative amortization					$ 27,400
711 Third Avenue
Commitments and Contingencies
Required annual ground lease payments, prior to reset			$ 1,550
Percentage of fee not owned by the entity (percent)			50.00%
461 Fifth Avenue
Commitments and Contingencies
Operating Leases, Term of Second Renewal Option					21 years
Number of renewal options available (extension option) \| extenstion_option					2
Required annual ground lease payments					$ 2,100
Term of first renewal option					21 years
Operating Leases, Term of Third Renewal Option					15 years
625 Madison Avenue
Commitments and Contingencies
Operating Leases, Term of Second Renewal Option					23 years
Number of renewal options available (extension option) \| extenstion_option					2
Required annual ground lease payments					$ 4,600
Term of first renewal option					23 years
1185 Avenue of the Americas
Commitments and Contingencies
Required annual ground lease payments					$ 6,900
Term of first renewal option					23 years
673 First Avenue
Commitments and Contingencies
Cumulative amortization					$ 6,500	$ 6,300
Term of first renewal option				25 years
Land as percentage of fair market value of the property (percent)				70.00%
Initial lease term				49 years
Extension in lease term	50 years
Capital lease, cost basis					22,900
Through July 2016 \| 711 Third Avenue
Commitments and Contingencies
Required annual ground lease payments					5,250
After July 2016 \| 711 Third Avenue
Commitments and Contingencies
Required annual ground lease payments					$ 5,500

Commitments and Contingencies (Details 3) $ in Thousands	12 Months Ended
Commitments and Contingencies (Details 3) $ in Thousands	Dec. 31, 2013 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Initial term of non cancellable operating leases, minimum	1 year
Capital lease
2014	$ 2,292
2015	2,363
2016	2,531
2017	2,652
2018	2,652
Thereafter	353,826
Total minimum lease payments	366,316
Less amount representing interest	(318,645)
Present value of net minimum lease payments	47,671
Non-cancellable operating leases
2014	35,356
2015	35,511
2016	35,943
2017	36,176
2018	36,176
Thereafter	1,409,808
Total minimum lease payments	$ 1,588,970

Segment Information (Details) $ in Thousands	3 Months Ended								12 Months Ended
Segment Information (Details) $ in Thousands	Dec. 31, 2013 USD ($)	Sep. 30, 2013 USD ($)	Jun. 30, 2013 USD ($)	Mar. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Sep. 30, 2012 USD ($)	Jun. 30, 2012 USD ($)	Mar. 31, 2012 USD ($)	Dec. 31, 2013 USD ($) segment	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)
Segment information
Number of reportable segments (segment) \| segment									2
Total revenues	$ 374,699	$ 363,765	$ 365,145	$ 365,468	$ 346,599	$ 357,011	$ 344,535	$ 334,585	$ 1,469,077	$ 1,382,729	$ 1,246,859
Income from continuing operations before equity in net gain on sale of interest in unconsolidated joint venture/real estate and purchase price fair value adjustment									133,362	153,401	121,364
Total assets	14,959,001				14,386,296				$ 14,959,001	14,386,296
Leverage rate assumption (as a percent)									100.00%
Marketing, general and administrative expenses and transaction related costs									$ 90,200	88,500	85,700
Real Estate Segment
Segment information
Total revenues									1,275,234	1,263,574	1,126,441
Income from continuing operations before equity in net gain on sale of interest in unconsolidated joint venture/real estate and purchase price fair value adjustment									(27,024)	60,455	20,327
Total assets	13,641,727				13,028,406				13,641,727	13,028,406
Debt and Preferred Equity Segment
Segment information
Total revenues									193,843	119,155	120,418
Income from continuing operations before equity in net gain on sale of interest in unconsolidated joint venture/real estate and purchase price fair value adjustment									160,386	92,946	$ 101,037
Total assets	$ 1,317,274				$ 1,357,890				$ 1,317,274	$ 1,357,890

Segment Information (Details 2) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
Segment Information (Details 2) - USD ($) $ in Thousands	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Reconciliation of income from continuing operations to net income attributable to SL Green common stockholders
Income from continuing operations before equity in net gain on sale of interest in unconsolidated joint venture/real estate and purchase price fair value adjustment									$ 133,362	$ 153,401	$ 121,364
Equity in net gain on sale of interest in unconsolidated joint venture/ real estate	$ 7,538	$ (354)	$ (3,583)	$ 0	$ 19,277	$ (4,807)	$ 15,323	$ 7,260	3,601	37,053	2,918
Purchase price fair value adjustment									(2,305)	0	498,195
Income from continuing operations									134,658	190,454	622,477
Net income from discontinued operations	0	1,406	(678)	997	9,737	951	899	1,032	1,725	12,619	8,560
Gain on sale of discontinued operations	$ 0	$ 13,787	$ 0	$ 1,113	$ 0	$ 0	$ 0	$ 6,627	14,900	6,627	46,085
Net income									$ 151,283	$ 209,700	$ 677,122

Quarterly Financial Data (unaudited) (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Condensed Financial Statements, Captions [Line Items]
Total revenues	$ 374,699,000	$ 363,765,000	$ 365,145,000	$ 365,468,000	$ 346,599,000	$ 357,011,000	$ 344,535,000	$ 334,585,000	$ 1,469,077,000	$ 1,382,729,000	$ 1,246,859,000
Income from continuing before equity in net gain (loss) on sale of interest in unconsolidated joint venture/real estate, purchase price fair value adjustment, gain (loss) on early extinguishment of debt, loss on sale of investment in marketable securities, net of noncontrolling interests	33,314,000	25,924,000	34,019,000	42,776,000	2,624,000	27,276,000	94,362,000	17,882,000
Equity in net gain (loss) on sale of interest in unconsolidated joint venture/real estate	7,538,000	(354,000)	(3,583,000)	0	19,277,000	(4,807,000)	15,323,000	7,260,000	3,601,000	37,053,000	2,918,000
Purchase price fair value adjustment	0	0	(2,305,000)	0					(2,239,000)	0	486,660,000
Gain (loss) on early extinguishment of debt	5,000	0	(10,000)	(18,513,000)	(6,978,000)	0	0	0	(18,518,000)	(6,978,000)	904,000
Gain (loss) on sale of investment in marketable securities	0	0	(8,000)	(57,000)	2,703,000	2,237,000	0	0	0	4,900,000	4,500,000
Net income (loss) from discontinued operations	0	1,406,000	(678,000)	997,000	9,737,000	951,000	899,000	1,032,000	1,725,000	12,619,000	8,560,000
Gain on sale of discontinued operations	0	13,787,000	0	1,113,000	0	0	0	6,627,000	14,900,000	6,627,000	46,085,000
Net income attributable to SL Green	40,857,000	40,763,000	27,435,000	26,316,000	27,363,000	25,657,000	110,584,000	32,801,000	135,371,000	196,405,000	647,410,000
Preferred stock redemption costs	0	0	(12,160,000)	0	0	(10,010,000)	0	0	(12,160,000)	(10,010,000)	0
Perpetual preferred stock dividends	(3,737,000)	(3,738,000)	(6,999,000)	(7,407,000)	(7,407,000)	(7,915,000)	(7,544,000)	(7,545,000)	(21,881,000)	(30,411,000)	(30,178,000)
Net income attributable to SL Green common stockholders	$ 37,120,000	$ 37,025,000	$ 8,276,000	$ 18,909,000	$ 19,956,000	$ 7,732,000	$ 103,040,000	$ 25,256,000	$ 101,330,000	$ 155,984,000	$ 617,232,000
Net income per common share-Basic (usd per share)	$ 0.39	$ 0.40	$ 0.09	$ 0.21	$ 0.22	$ 0.09	$ 1.15	$ 0.29	$ 1.10	$ 1.75	$ 7.37
Net income per common share-Diluted (usd per share)	$ 0.39	$ 0.40	$ 0.09	$ 0.21	$ 0.22	$ 0.09	$ 1.14	$ 0.29	$ 1.10	$ 1.74	$ 7.33
SL Green Operating Partnership
Condensed Financial Statements, Captions [Line Items]
Total revenues	$ 374,699,000	$ 363,765,000	$ 365,145,000	$ 365,468,000	$ 346,598,000	$ 357,011,000	$ 344,535,000	$ 334,585,000	$ 1,469,077,000	$ 1,382,729,000	$ 1,246,859,000
Income from continuing before equity in net gain (loss) on sale of interest in unconsolidated joint venture/real estate, purchase price fair value adjustment, gain (loss) on early extinguishment of debt, loss on sale of investment in marketable securities, net of noncontrolling interests	34,428,000	27,034,000	34,263,000	43,331,000	3,345,000	27,843,000	97,783,000	18,770,000
Equity in net gain (loss) on sale of interest in unconsolidated joint venture/real estate	7,538,000	(354,000)	(3,583,000)	0	19,277,000	(4,807,000)	15,323,000	7,260,000	3,601,000	37,053,000	2,918,000
Purchase price fair value adjustment	0	0	(2,305,000)	0
Gain (loss) on early extinguishment of debt	5,000	0	(10,000)	(18,513,000)	(6,978,000)	0	0	0	(18,518,000)	(6,978,000)	904,000
Gain (loss) on sale of investment in marketable securities	0	0	(8,000)	(57,000)	2,703,000	2,237,000	0	0
Net income (loss) from discontinued operations	0	1,406,000	(678,000)	997,000	9,737,000	951,000	899,000	1,032,000	1,725,000	12,619,000	8,560,000
Gain on sale of discontinued operations	0	13,787,000	0	1,113,000	0	0	0	6,627,000	14,900,000	6,627,000	46,085,000
Net income attributable to SL Green									138,394,000	202,002,000	662,039,000
Preferred stock redemption costs	0	0	(12,160,000)	0	0	(10,010,000)	0	0
Perpetual preferred stock dividends	(3,737,000)	(3,738,000)	(6,999,000)	(7,407,000)	$ (7,407,000)	$ (7,915,000)	$ (7,544,000)	$ (7,545,000)
Net income attributable to SL Green common stockholders	$ 38,234,000	$ 38,135,000	$ 8,520,000	$ 19,464,000					$ 104,353,000	$ 161,581,000	$ 631,861,000
Net income per common share-Basic (usd per share)	$ 0.39	$ 0.40	$ 0.09	$ 0.21	$ 0.22	$ 0.09	$ 1.15	$ 0.29
Net income per common share-Diluted (usd per share)	$ 0.39	$ 0.40	$ 0.09	$ 0.21	$ 0.22	$ 0.09	$ 1.14	$ 0.29

Subsequent Events (Details) - 21-25 West 34th Street - Subsequent Event $ in Millions	1 Months Ended
	Jan. 31, 2014 USD ($)
Subsequent Event [Line Items]
Ownership interest sold (as a percent)	50.00%
Consideration for sale of beneficial interest in real estate property	$ 114.9
Mortgage loan related to property sales	$ 100.0

Schedule II-Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Tenant and other receivables—allowance
Changes in valuation allowance
Balance at Beginning of Year	$ 14,341	$ 11,326	$ 10,198
Additions Charged Against Operations	3,052	10,147	4,537
Uncollectible Accounts Written-off/Recovery	(68)	(7,132)	(3,409)
Balance at End of Year	17,325	14,341	11,326
Deferred rent receivable—allowance
Changes in valuation allowance
Balance at Beginning of Year	29,580	29,156	30,834
Additions Charged Against Operations	3,133	3,193	6,638
Uncollectible Accounts Written-off/Recovery	(2,380)	(2,769)	(8,316)
Balance at End of Year	$ 30,333	$ 29,580	$ 29,156

Schedule III-Real Estate And Accumulated Depreciation (Details) - USD ($)
$ in Thousands

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2010

Real Estate And Accumulated Depreciation

Encumbrances

$ 4,719,555

Initial Cost

Land

2,766,925

Building & Improvements

8,276,031

Cost Capitalized Subsequent To Acquisition

Land

265,601

Building & Improvements

1,025,223

Gross Amount at Which Carried at Close of Period

Land

3,032,526

Building & Improvements

9,301,254

Total

12,333,780

$ 11,662,953

$ 11,147,151

$ 8,890,064

Accumulated Depreciation

1,646,240

$ 1,393,323

$ 1,136,603

$ 916,293

673 First Avenue

Initial Cost

Building & Improvements

^[1]

35,727

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[1]

23,464

Gross Amount at Which Carried at Close of Period

Building & Improvements

^[1]

59,191

Total

^[1]

59,191

Accumulated Depreciation

^[1]

20,019

420 Lexington Avenue

Real Estate And Accumulated Depreciation

Encumbrances

^[1]

182,641

Initial Cost

Building & Improvements

^[1]

107,832

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[1]

169,790

Gross Amount at Which Carried at Close of Period

Building & Improvements

^[1]

277,622

Total

^[1]

277,622

Accumulated Depreciation

^[1]

91,253

711 Third Avenue

Real Estate And Accumulated Depreciation

Encumbrances

^[1]

120,000

Initial Cost

Land

^[1]

19,844

Building & Improvements

^[1]

42,499

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[1]

35,029

Gross Amount at Which Carried at Close of Period

Land

^[1]

19,844

Building & Improvements

^[1]

77,528

Total

^[1]

97,372

Accumulated Depreciation

^[1]

29,359

555 W. 57th Street

Initial Cost

Land

^[1]

18,846

Building & Improvements

^[1]

78,704

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[1]

43,084

Gross Amount at Which Carried at Close of Period

Land

^[1]

18,846

Building & Improvements

^[1]

121,788

Total

^[1]

140,634

Accumulated Depreciation

^[1]

44,318

317 Madison Avenue

Initial Cost

Land

^[1]

21,205

Building & Improvements

^[1]

85,559

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[1]

28,821

Gross Amount at Which Carried at Close of Period

Land

^[1]

21,205

Building & Improvements

^[1]

114,380

Total

^[1]

135,585

Accumulated Depreciation

^[1]

49,963

220 East 42nd Street

Real Estate And Accumulated Depreciation

Encumbrances

^[1]

275,000

Initial Cost

Land

^[1]

50,373

Building & Improvements

^[1]

203,727

Cost Capitalized Subsequent To Acquisition

Land

^[1]

635

Building & Improvements

^[1]

52,189

Gross Amount at Which Carried at Close of Period

Land

^[1]

51,008

Building & Improvements

^[1]

255,916

Total

^[1]

306,924

Accumulated Depreciation

^[1]

72,157

461 Fifth Avenue

Initial Cost

Building & Improvements

^[1]

62,695

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[1]

8,003

Gross Amount at Which Carried at Close of Period

Building & Improvements

^[1]

70,698

Total

^[1]

70,698

Accumulated Depreciation

^[1]

19,807

750 Third Avenue

Initial Cost

Land

^[1]

51,093

Building & Improvements

^[1]

205,972

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[1]

33,895

Gross Amount at Which Carried at Close of Period

Land

^[1]

51,093

Building & Improvements

^[1]

239,867

Total

^[1]

290,960

Accumulated Depreciation

^[1]

62,379

625 Madison Avenue

Real Estate And Accumulated Depreciation

Encumbrances

^[1]

120,830

Initial Cost

Building & Improvements

^[1]

246,673

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[1]

33,212

Gross Amount at Which Carried at Close of Period

Building & Improvements

^[1]

279,885

Total

^[1]

279,885

Accumulated Depreciation

^[1]

69,230

485 Lexington Avenue

Real Estate And Accumulated Depreciation

Encumbrances

^[1]

450,000

Initial Cost

Land

^[1]

77,517

Building & Improvements

^[1]

326,825

Cost Capitalized Subsequent To Acquisition

Land

^[1]

765

Building & Improvements

^[1]

87,964

Gross Amount at Which Carried at Close of Period

Land

^[1]

78,282

Building & Improvements

^[1]

414,789

Total

^[1]

493,071

Accumulated Depreciation

^[1]

112,976

609 Fifth Avenue

Initial Cost

Land

^[1]

36,677

Building & Improvements

^[1]

145,954

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[1]

7,230

Gross Amount at Which Carried at Close of Period

Land

^[1]

36,677

Building & Improvements

^[1]

153,184

Total

^[1]

189,861

Accumulated Depreciation

^[1]

28,481

120 West 45th Street

Real Estate And Accumulated Depreciation

Encumbrances

^[1]

170,000

Initial Cost

Land

^[1]

60,766

Building & Improvements

^[1]

250,922

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[1]

18,090

Gross Amount at Which Carried at Close of Period

Land

^[1]

60,766

Building & Improvements

^[1]

269,012

Total

^[1]

329,778

Accumulated Depreciation

^[1]

49,892

810 Seventh Avenue

Initial Cost

Land

^[1]

114,077

Building & Improvements

^[1]

476,386

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[1]

44,614

Gross Amount at Which Carried at Close of Period

Land

^[1]

114,077

Building & Improvements

^[1]

521,000

Total

^[1]

635,077

Accumulated Depreciation

^[1]

98,988

919 Third Avenue

Real Estate And Accumulated Depreciation

Encumbrances

^[1],[2]

500,000

Initial Cost

Land

^[1],[2]

223,529

Building & Improvements

^[1],[2]

1,033,198

Cost Capitalized Subsequent To Acquisition

Land

^[1],[2]

35,410

Building & Improvements

^[1],[2]

16,799

Gross Amount at Which Carried at Close of Period

Land

^[1],[2]

258,939

Building & Improvements

^[1],[2]

1,049,997

Total

^[1],[2]

1,308,936

Accumulated Depreciation

^[1],[2]

188,175

1185 Avenue of the Americas

Initial Cost

Building & Improvements

^[1]

728,213

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[1]

32,402

Gross Amount at Which Carried at Close of Period

Building & Improvements

^[1]

760,615

Total

^[1]

760,615

Accumulated Depreciation

^[1]

152,278

1350 Avenue of the Americas

Initial Cost

Land

^[1]

91,038

Building & Improvements

^[1]

380,744

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[1]

26,376

Gross Amount at Which Carried at Close of Period

Land

^[1]

91,038

Building & Improvements

^[1]

407,120

Total

^[1]

498,158

Accumulated Depreciation

^[1]

78,379

1100 King Street - 1-7 International Drive

Initial Cost

Land

^[3]

49,392

Building & Improvements

^[3]

104,376

Cost Capitalized Subsequent To Acquisition

Land

^[3]

2,473

Building & Improvements

^[3]

16,810

Gross Amount at Which Carried at Close of Period

Land

^[3]

51,865

Building & Improvements

^[3]

121,186

Total

^[3]

173,051

Accumulated Depreciation

^[3]

26,659

520 White Plains Road

Initial Cost

Land

^[3]

6,324

Building & Improvements

^[3]

26,096

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[3]

4,352

Gross Amount at Which Carried at Close of Period

Land

^[3]

6,324

Building & Improvements

^[3]

30,448

Total

^[3]

36,772

Accumulated Depreciation

^[3]

6,573

115-117 Stevens Avenue

Initial Cost

Land

^[3]

5,933

Building & Improvements

^[3]

23,826

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[3]

5,891

Gross Amount at Which Carried at Close of Period

Land

^[3]

5,933

Building & Improvements

^[3]

29,717

Total

^[3]

35,650

Accumulated Depreciation

^[3]

6,825

100 Summit Lake Drive

Initial Cost

Land

^[3]

10,526

Building & Improvements

^[3]

43,109

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[3]

7,036

Gross Amount at Which Carried at Close of Period

Land

^[3]

10,526

Building & Improvements

^[3]

50,145

Total

^[3]

60,671

Accumulated Depreciation

^[3]

10,089

200 Summit Lake Drive

Initial Cost

Land

^[3]

11,183

Building & Improvements

^[3]

47,906

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[3]

6,222

Gross Amount at Which Carried at Close of Period

Land

^[3]

11,183

Building & Improvements

^[3]

54,128

Total

^[3]

65,311

Accumulated Depreciation

^[3]

10,388

500 Summit Lake Drive

Initial Cost

Land

^[3]

9,777

Building & Improvements

^[3]

39,048

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[3]

5,508

Gross Amount at Which Carried at Close of Period

Land

^[3]

9,777

Building & Improvements

^[3]

44,556

Total

^[3]

54,333

Accumulated Depreciation

^[3]

8,023

140 Grand Street

Initial Cost

Land

^[3]

6,865

Building & Improvements

^[3]

28,264

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[3]

4,048

Gross Amount at Which Carried at Close of Period

Land

^[3]

6,865

Building & Improvements

^[3]

32,312

Total

^[3]

39,177

Accumulated Depreciation

^[3]

6,608

360 Hamilton Avenue

Initial Cost

Land

^[3]

29,497

Building & Improvements

^[3]

118,250

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[3]

11,545

Gross Amount at Which Carried at Close of Period

Land

^[3]

29,497

Building & Improvements

^[3]

129,795

Total

^[3]

159,292

Accumulated Depreciation

^[3]

25,138

1-6 Landmark Square

Real Estate And Accumulated Depreciation

Encumbrances

^[4]

82,909

Initial Cost

Land

^[4]

50,947

Building & Improvements

^[4]

195,167

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[4]

23,919

Gross Amount at Which Carried at Close of Period

Land

^[4]

50,947

Building & Improvements

^[4]

219,086

Total

^[4]

270,033

Accumulated Depreciation

^[4]

41,223

7 Landmark Square

Initial Cost

Land

^[4]

2,088

Building & Improvements

^[4]

7,748

Cost Capitalized Subsequent To Acquisition

Land

^[4]

(367)

Building & Improvements

^[4]

(134)

Gross Amount at Which Carried at Close of Period

Land

^[4]

1,721

Building & Improvements

^[4]

7,614

Total

^[4]

9,335

Accumulated Depreciation

^[4]

403

680 Washington Boulevard

Initial Cost

Land

^[2],[4]

11,696

Building & Improvements

^[2],[4]

45,364

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[2],[4]

4,218

Gross Amount at Which Carried at Close of Period

Land

^[2],[4]

11,696

Building & Improvements

^[2],[4]

49,582

Total

^[2],[4]

61,278

Accumulated Depreciation

^[2],[4]

$ 9,539

Interest in property (as a percent)

51.00%

750 Washington Boulevard

Initial Cost

Land

^[2],[4]

$ 16,916

Building & Improvements

^[2],[4]

68,849

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[2],[4]

4,854

Gross Amount at Which Carried at Close of Period

Land

^[2],[4]

16,916

Building & Improvements

^[2],[4]

73,703

Total

^[2],[4]

90,619

Accumulated Depreciation

^[2],[4]

14,140

1010 Washington Boulevard

Initial Cost

Land

^[4]

7,747

Building & Improvements

^[4]

30,423

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[4]

3,667

Gross Amount at Which Carried at Close of Period

Land

^[4]

7,747

Building & Improvements

^[4]

34,090

Total

^[4]

41,837

Accumulated Depreciation

^[4]

6,507

500 West Putnam

Real Estate And Accumulated Depreciation

Encumbrances

^[4]

23,529

Initial Cost

Land

^[4]

11,210

Building & Improvements

^[4]

44,782

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[4]

4,594

Gross Amount at Which Carried at Close of Period

Land

^[4]

11,210

Building & Improvements

^[4]

49,376

Total

^[4]

60,586

Accumulated Depreciation

^[4]

8,837

150 Grand Street

Initial Cost

Land

1,371

Building & Improvements

5,446

Cost Capitalized Subsequent To Acquisition

Building & Improvements

10,485

Gross Amount at Which Carried at Close of Period

Land

1,371

Building & Improvements

15,931

Total

17,302

Accumulated Depreciation

1,137

400 Summit Lake Drive

Initial Cost

Land

^[3]

38,889

Cost Capitalized Subsequent To Acquisition

Land

^[3]

285

Building & Improvements

^[3]

Gross Amount at Which Carried at Close of Period

Land

^[3]

39,174

Building & Improvements

^[3]

Total

^[3]

39,175

Accumulated Depreciation

^[3]

331 Madison Avenue

Initial Cost

Land

^[1]

14,763

Building & Improvements

^[1]

65,241

Cost Capitalized Subsequent To Acquisition

Land

^[1]

Building & Improvements

^[1]

902

Gross Amount at Which Carried at Close of Period

Land

^[1]

14,763

Building & Improvements

^[1]

66,143

Total

^[1]

80,906

Accumulated Depreciation

^[1]

12,419

1055 Washington Boulevard

Initial Cost

Land

^[4]

13,516

Building & Improvements

^[4]

53,228

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[4]

3,118

Gross Amount at Which Carried at Close of Period

Land

^[4]

13,516

Building & Improvements

^[4]

56,346

Total

^[4]

69,862

Accumulated Depreciation

^[4]

10,700

One Madison Avenue

Real Estate And Accumulated Depreciation

Encumbrances

^[1]

587,336

Initial Cost

Land

^[1]

172,641

Building & Improvements

^[1]

654,394

Cost Capitalized Subsequent To Acquisition

Land

^[1]

905

Building & Improvements

^[1]

14,384

Gross Amount at Which Carried at Close of Period

Land

^[1]

173,546

Building & Improvements

^[1]

668,778

Total

^[1]

842,324

Accumulated Depreciation

^[1]

107,764

125 Chubb Way

Initial Cost

Land

^[5]

5,884

Building & Improvements

^[5]

25,958

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[5]

23,478

Gross Amount at Which Carried at Close of Period

Land

^[5]

5,884

Building & Improvements

^[5]

49,436

Total

^[5]

55,320

Accumulated Depreciation

^[5]

3,372

100 Church

Real Estate And Accumulated Depreciation

Encumbrances

^[1]

230,000

Initial Cost

Land

^[1]

32,494

Building & Improvements

^[1]

79,996

Cost Capitalized Subsequent To Acquisition

Land

^[1]

2,500

Building & Improvements

^[1]

81,109

Gross Amount at Which Carried at Close of Period

Land

^[1]

34,994

Building & Improvements

^[1]

161,105

Total

^[1]

196,099

Accumulated Depreciation

^[1]

21,198

125 Park Avenue

Real Estate And Accumulated Depreciation

Encumbrances

^[1]

146,250

Initial Cost

Land

^[1]

120,900

Building & Improvements

^[1]

189,714

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[1]

29,893

Gross Amount at Which Carried at Close of Period

Land

^[1]

120,900

Building & Improvements

^[1]

219,607

Total

^[1]

340,507

Accumulated Depreciation

^[1]

26,598

2 Herald Square

Real Estate And Accumulated Depreciation

Encumbrances

^[1]

191,250

Initial Cost

Land

^[1]

92,655

Cost Capitalized Subsequent To Acquisition

Land

^[1]

100,633

Gross Amount at Which Carried at Close of Period

Land

^[1]

193,288

Total

^[1]

193,288

885 Third Avenue

Real Estate And Accumulated Depreciation

Encumbrances

^[1]

267,650

Initial Cost

Land

^[1]

131,766

Cost Capitalized Subsequent To Acquisition

Land

^[1]

110,771

Gross Amount at Which Carried at Close of Period

Land

^[1]

242,537

Total

^[1]

242,537

Williamsburg

Initial Cost

Land

^[6]

3,677

Building & Improvements

^[6]

14,708

Cost Capitalized Subsequent To Acquisition

Land

^[6]

2,523

Building & Improvements

^[6]

(4,550)

Gross Amount at Which Carried at Close of Period

Land

^[6]

6,200

Building & Improvements

^[6]

10,158

Total

^[6]

16,358

Accumulated Depreciation

^[6]

821

1515 Broadway

Real Estate And Accumulated Depreciation

Encumbrances

^[1]

900,000

Initial Cost

Land

^[1]

462,700

Building & Improvements

^[1]

707,938

Cost Capitalized Subsequent To Acquisition

Land

^[1]

1,145

Building & Improvements

^[1]

27,119

Gross Amount at Which Carried at Close of Period

Land

^[1]

463,845

Building & Improvements

^[1]

735,057

Total

^[1]

1,198,902

Accumulated Depreciation

^[1]

63,103

110 East 42nd Street

Initial Cost

Land

^[1]

34,000

Building & Improvements

^[1]

46,411

Cost Capitalized Subsequent To Acquisition

Land

^[1]

2,354

Building & Improvements

^[1]

13,490

Gross Amount at Which Carried at Close of Period

Land

^[1]

36,354

Building & Improvements

^[1]

59,901

Total

^[1]

96,255

Accumulated Depreciation

^[1]

6,371

180 Maiden Lane

Real Estate And Accumulated Depreciation

Encumbrances

^[1],[7]

262,706

Initial Cost

Land

^[1],[7]

191,523

Building & Improvements

^[1],[7]

233,230

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[1],[7]

4,871

Gross Amount at Which Carried at Close of Period

Land

^[1],[7]

191,523

Building & Improvements

^[1],[7]

238,101

Total

^[1],[7]

429,624

Accumulated Depreciation

^[1],[7]

$ 18,599

Interest in property (as a percent)

49.90%

51 East 42nd Street

Initial Cost

Land

^[1]

$ 44,095

Building & Improvements

^[1]

33,470

Cost Capitalized Subsequent To Acquisition

Land

^[1]

Building & Improvements

^[1]

2,255

Gross Amount at Which Carried at Close of Period

Land

^[1]

44,100

Building & Improvements

^[1]

35,725

Total

^[1]

79,825

Accumulated Depreciation

^[1]

2,440

400 East 57th Street

Real Estate And Accumulated Depreciation

Encumbrances

^[1],[8]

70,000

Initial Cost

Land

^[1],[8]

39,780

Building & Improvements

^[1],[8]

69,895

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[1],[8]

6,027

Gross Amount at Which Carried at Close of Period

Land

^[1],[8]

39,780

Building & Improvements

^[1],[8]

75,922

Total

^[1],[8]

115,702

Accumulated Depreciation

^[1],[8]

3,571

400 East 58th Street

Real Estate And Accumulated Depreciation

Encumbrances

^[1],[8]

30,000

Initial Cost

Land

^[1],[8]

17,549

Building & Improvements

^[1],[8]

30,916

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[1],[8]

2,388

Gross Amount at Which Carried at Close of Period

Land

^[1],[8]

17,549

Building & Improvements

^[1],[8]

33,304

Total

^[1],[8]

50,853

Accumulated Depreciation

^[1],[8]

$ 1,552

Interest in property (as a percent)

80.00%

752 Madison Avenue

Initial Cost

Building & Improvements

^[1],[8]

$ 7,131

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[1],[8]

Gross Amount at Which Carried at Close of Period

Building & Improvements

^[1],[8]

7,141

Total

^[1],[8]

7,141

Accumulated Depreciation

^[1],[8]

423

762 Madison Avenue

Real Estate And Accumulated Depreciation

Encumbrances

^[1],[8]

8,211

Initial Cost

Land

^[1],[8]

6,153

Building & Improvements

^[1],[8]

10,461

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[1],[8]

Gross Amount at Which Carried at Close of Period

Land

^[1],[8]

6,153

Building & Improvements

^[1],[8]

10,550

Total

^[1],[8]

16,703

Accumulated Depreciation

^[1],[8]

524

19-21 East 65th Street

Initial Cost

Building & Improvements

^[1],[8]

7,389

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[1],[8]

151

Gross Amount at Which Carried at Close of Period

Building & Improvements

^[1],[8]

7,540

Total

^[1],[8]

7,540

Accumulated Depreciation

^[1],[8]

365

304 Park Avenue

Initial Cost

Land

^[1]

54,189

Building & Improvements

^[1]

75,619

Cost Capitalized Subsequent To Acquisition

Land

^[1]

300

Building & Improvements

^[1]

4,198

Gross Amount at Which Carried at Close of Period

Land

^[1]

54,489

Building & Improvements

^[1]

79,817

Total

^[1]

134,306

Accumulated Depreciation

^[1]

4,726

635 Sixth Avenue

Initial Cost

Land

^[1]

24,180

Building & Improvements

^[1]

37,158

Cost Capitalized Subsequent To Acquisition

Land

^[1]

163

Building & Improvements

^[1]

18,071

Gross Amount at Which Carried at Close of Period

Land

^[1]

24,343

Building & Improvements

^[1]

55,229

Total

^[1]

79,572

Accumulated Depreciation

^[1]

641 Sixth Avenue

Initial Cost

Land

^[1]

45,668

Building & Improvements

^[1]

67,316

Cost Capitalized Subsequent To Acquisition

Land

^[1]

308

Building & Improvements

^[1]

768

Gross Amount at Which Carried at Close of Period

Land

^[1]

45,976

Building & Improvements

^[1]

68,084

Total

^[1]

114,060

Accumulated Depreciation

^[1]

2,922

1080 Amsterdam

Initial Cost

Building & Improvements

^[1],[9]

27,445

Cost Capitalized Subsequent To Acquisition

Land

^[1],[9]

Building & Improvements

^[1],[9]

8,450

Gross Amount at Which Carried at Close of Period

Building & Improvements

^[1],[9]

35,895

Total

^[1],[9]

$ 35,895

Interest in property (as a percent)

87.50%

131-137 Spring Street

Initial Cost

Land

^[1]

$ 27,021

Building & Improvements

^[1]

105,342

Cost Capitalized Subsequent To Acquisition

Land

^[1]

154

Building & Improvements

^[1]

637

Gross Amount at Which Carried at Close of Period

Land

^[1]

27,175

Building & Improvements

^[1]

105,979

Total

^[1]

133,154

Accumulated Depreciation

^[1]

2,826

985-987 Third Avenue

Initial Cost

Land

^[1]

5,400

Building & Improvements

^[1]

12,600

Cost Capitalized Subsequent To Acquisition

Land

^[1]

3,635

Building & Improvements

^[1]

248

Gross Amount at Which Carried at Close of Period

Land

^[1]

9,035

Building & Improvements

^[1]

12,848

Total

^[1]

21,883

248-252 Bedford Avenue

Real Estate And Accumulated Depreciation

Encumbrances

^[6],[10]

22,000

Initial Cost

Land

^[6],[10]

10,865

Building & Improvements

^[6],[10]

44,035

Cost Capitalized Subsequent To Acquisition

Building & Improvements

^[6],[10]

2,106

Gross Amount at Which Carried at Close of Period

Land

^[6],[10]

10,865

Building & Improvements

^[6],[10]

46,141

Total

^[6],[10]

57,006

Accumulated Depreciation

^[6],[10]

$ 490

Interest in property (as a percent)

90.00%

16 Court Street

Real Estate And Accumulated Depreciation

Encumbrances

^[6]

$ 79,243

Initial Cost

Land

^[6]

19,217

Building & Improvements

^[6]

63,210

Cost Capitalized Subsequent To Acquisition

Land

^[6]

Building & Improvements

^[6]

2,207

Gross Amount at Which Carried at Close of Period

Land

^[6]

19,217

Building & Improvements

^[6]

65,417

Total

^[6]

84,634

Accumulated Depreciation

^[6]

1,736

315 West 33rd Street

Initial Cost

Land

^[1]

116,033

Building & Improvements

^[1]

270,742

Gross Amount at Which Carried at Close of Period

Land

^[1]

116,033

Building & Improvements

^[1]

270,742

Total

^[1]

386,775

Accumulated Depreciation

^[1]

921

Retail Properties on Fifth Avenue

Initial Cost

Land

^[1]

43,800

Building & Improvements

^[1]

102,200

Gross Amount at Which Carried at Close of Period

Land

^[1]

43,800

Building & Improvements

^[1]

102,200

Total

^[1]

146,000

Accumulated Depreciation

^[1]

284

Other

Initial Cost

Land

^[11]

1,130

Cost Capitalized Subsequent To Acquisition

Land

^[11]

1,004

Building & Improvements

^[11]

9,826

Gross Amount at Which Carried at Close of Period

Land

^[11]

2,134

Building & Improvements

^[11]

9,826

Total

^[11]

11,960

Accumulated Depreciation

^[11]

$ 2,771

[1]	Property located in New York, New York.
[2]	We own a 51% interest in this property.
[3]	Property located in Westchester County, New York.
[4]	Property located in Connecticut.
[5]	Property located in New Jersey.
[6]	Property located in Brooklyn, New York.
[7]	We own a 49.9% interest in this property.
[8]	We own a 80.0% interest in this property.
[9]	We own a 87.5% interest in this property.
[10]	We own a 90.0% interest in this property.
[11]	Other includes tenant improvements at eEmerge, capitalized interest and corporate improvements.

Schedule III-Real Estate And Accumulated Depreciation (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Changes in real estate
Balance at beginning of year	$ 11,662,953	$ 11,147,151	$ 8,890,064
Property acquisitions	702,717	649,445	2,276,308
Improvements	199,141	146,410	162,875
Retirements/disposals/deconsolidation	(231,031)	(280,053)	(182,096)
Balance at end of year	12,333,780	11,662,953	11,147,151
Aggregate cost of land, buildings and improvements, before depreciation, for Federal income tax purposes	8,600,000
Changes in accumulated depreciation, exclusive of amounts relating to equipment, autos, and furniture and fixtures
Balance at beginning of year	1,393,323	1,136,603	916,293
Depreciation for year	286,776	288,560	245,421
Retirements/disposals/deconsolidation	(33,859)	(31,840)	(25,111)
Balance at end of year	$ 1,646,240	$ 1,393,323	$ 1,136,603