View Filing Data

Term loan and senior unsecured notes

220,000

70,000

1,430,792

1,430,690

Accrued interest payable and other liabilities

27,479

27,801

Accounts payable and accrued expenses

39,782

50,692

Deferred revenue

138,995

173,814

Capitalized lease obligation

27,223

17,186

Deferred land leases payable

21,621

20,566

Security deposits

22,261

18,411

Total liabilities

2,478,176

2,359,183

Commitments and contingencies

Capital

General partner capital

2,761,645

2,686,766

Limited partner capital

Accumulated other comprehensive loss

(3,981)

(4,925)

Total ROP partner's capital

2,757,664

2,681,841

Noncontrolling interests in other partnerships

350,779

357,667

Total capital

3,108,443

3,039,508

Total liabilities and capital

$ 5,586,619

$ 5,398,691

[1]	Balance is net of discounts and deferred origination fees.

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2013	Dec. 31, 2012
Statement of Financial Position [Abstract]
Tenant and other receivables, allowance	$ 4,005	$ 4,873
Deferred rents receivable, allowance	15,199	16,501
Preferred equity investments, deferred origination fees and discounts	1,772	2,217
Deferred costs, accumulated amortization	$ 52,396	$ 40,303

Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
Consolidated Statements of Income - USD ($) $ in Thousands	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenues
Rental revenue, net	$ 443,535	$ 423,345	$ 408,863
Escalation and reimbursement	75,814	74,496	71,044
Investment income	43,226	9,497	3,077
Other income	4,603	5,838	4,108
Total revenues	567,178	513,176	487,092
Expenses
Operating expenses, including $18,312 (2013), $16,479 (2012) and $15,038 (2011) of related party expenses	120,443	113,482	113,479
Real estate taxes	96,079	89,238	82,727
Ground rent	19,017	17,098	14,549
Interest expense, net of interest income	110,132	108,566	82,422
Amortization of deferred financing costs	5,171	5,712	1,837
Depreciation and amortization	145,179	137,162	126,617
Loan loss reserves, net of recoveries	0	(472)	(2,425)
Transaction related costs	1,939	1,943	243
Marketing, general and administrative	354	339	346
Total expenses	498,314	473,068	419,795
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, depreciable real estate reserves and loss on early extinguishment of debt	68,864	40,108	67,297
Equity in net income from unconsolidated joint ventures	3,942	966	497
Equity in net gain on sale of interest in unconsolidated joint venture	0	1,001	0
Depreciable real estate reserves	0	0	(5,789)
Loss on early extinguishment of debt	(76)	(6,904)	0
Income from continuing operations	72,730	35,171	62,005
Net income from discontinued operations	4,244	3,835	2,873
Gain on sale of discontinued operations	13,756	0	0
Net income	90,730	39,006	64,878
Net income attributable to noncontrolling interests in other partnerships	(5,200)	(6,013)	(9,886)
Net income attributable to ROP common unitholder	85,530	32,993	54,992
Income from continuing operations	67,530	29,158	52,119
Discontinued operations	$ 18,000	$ 3,835	$ 2,873

Consolidated Statements of Income (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Statement [Abstract]
Related party expenses included in operating expenses	$ 18,312	$ 16,479	$ 15,038

Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Statement of Comprehensive Income [Abstract]
Net income attributable to ROP common unitholder	$ 85,530	$ 32,993	$ 54,992
Other comprehensive income (loss):
Change in net unrealized gain (loss) on derivative instruments	944	192	(5,117)
Comprehensive income attributable to ROP common unitholder	$ 86,474	$ 33,185	$ 49,875

Consolidated Statements of Capital - USD ($) $ in Thousands	3 Months Ended				12 Months Ended
Consolidated Statements of Capital - USD ($) $ in Thousands	Dec. 31, 2013	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Increase (Decrease) in Partners' Capital
Balance		$ 3,039,508		$ 2,601,834	$ 3,039,508	$ 2,601,834	$ 3,398,551
Contributions					2,112,936	2,374,499	823,171
Distributions					(2,135,675)	(1,976,023)	(1,679,649)
Net income	$ 21,228	17,584	$ 6,000	8,864	90,730	39,006	64,878
Other comprehensive income (loss)					944	192	(5,117)
Balance	3,108,443		3,039,508		3,108,443	3,039,508	2,601,834
General Partner's Capital Class A Common Units \| Class A Common Units
Increase (Decrease) in Partners' Capital
Balance		2,686,766		2,242,844	2,686,766	2,242,844	2,901,149
Contributions					2,112,936	2,374,499	823,171
Distributions					(2,123,587)	(1,963,570)	(1,536,468)
Net income					85,530	32,993	54,992
Balance	2,761,645		2,686,766		2,761,645	2,686,766	2,242,844
Limited Partner's Capital
Increase (Decrease) in Partners' Capital
Balance		0		0	0	0	0
Contributions					0	0	0
Distributions					0	0	0
Net income					0	0	0
Other comprehensive income (loss)					0	0	0
Balance	0		0		0	0	0
Noncontrolling Interests In Other Partnerships
Increase (Decrease) in Partners' Capital
Balance		357,667		364,107	357,667	364,107	497,402
Distributions					(12,088)	(12,453)	(143,181)
Net income					5,200	6,013	9,886
Balance	350,779		357,667		350,779	357,667	364,107
Accumulated Other Comprehensive Loss
Increase (Decrease) in Partners' Capital
Balance		$ (4,925)		$ (5,117)	(4,925)	(5,117)
Other comprehensive income (loss)					944	192	(5,117)
Balance	$ (3,981)		$ (4,925)		$ (3,981)	$ (4,925)	$ (5,117)

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Operating Activities
Net income	$ 90,730	$ 39,006	$ 64,878
Adjustment to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	153,337	148,669	134,088
Equity in net gain on sale of interest in unconsolidated joint venture	0	(1,001)	0
Equity in net income from unconsolidated joint venture	(3,942)	(966)	(497)
Distributions of cumulative earnings from unconsolidated joint venture	3,942	444	497
Loss on early extinguishment of debt	76	6,904	0
Loan loss reserves, net of recoveries	0	(472)	(2,425)
Depreciable real estate reserves	0	0	5,789
Gain on sale of discontinued operations	(13,756)	0	0
Deferred rents receivable	(16,442)	(18,821)	(27,020)
Other non-cash adjustments	(46,581)	(20,867)	(20,487)
Changes in operating assets and liabilities:
Restricted cash—operations	(4,378)	(1,787)	(3,300)
Tenant and other receivables	64	(2,945)	(993)
Deferred lease costs	(18,476)	(9,235)	(13,306)
Other assets	(3,664)	(826)	(2,773)
Accounts payable, accrued expenses and other liabilities	(8,974)	7,884	3,086
Deferred revenue and land leases payable	4,023	2,828	(1,173)
Net cash provided by operating activities	135,959	148,815	136,364
Investing Activities
Acquisitions of real estate property	(386,775)	(277,060)	(2,744)
Additions to land, buildings and improvements	(75,417)	(43,072)	(51,445)
Restricted cash—capital improvements	(5)	4,204	(1,529)
Distributions in excess of cumulative earnings from unconsolidated joint venture	19,926	152	769
Net proceeds from disposition of real estate/joint venture interest	211,048	44,297	0
Debt and preferred equity and other investments, net of repayments	(26,362)	(3,441)	28,400
Net cash used in investing activities	(257,585)	(274,920)	(26,549)
Financing Activities
Proceeds from mortgage note and other loans payable	0	0	500,000
Repayments of mortgage note and other loans payable	0	(192,980)	(222,293)
Proceeds from credit facility and senior unsecured notes	1,164,000	1,751,480	599,543
Repayments of credit facility and senior unsecured notes	(1,014,000)	(1,478,284)	(84,823)
Contributions from common unitholder	2,112,936	2,037,115	804,229
Distributions to noncontrolling interests in other partnerships	(12,088)	(12,453)	(143,181)
Distributions to common unitholder	(2,123,587)	(1,963,570)	(1,536,468)
Deferred loan costs and capitalized lease obligation	31	(7,813)	(24,626)
Net cash provided by (used in) financing activities	127,292	133,495	(107,619)
Net increase in cash and cash equivalents	5,666	7,390	2,196
Cash and cash equivalents at beginning of year	34,035	26,645	24,449
Cash and cash equivalents at end of year	39,701	34,035	26,645
Supplemental Cash Flow Disclosure
Interest paid	109,229	107,902	78,693
Tenant improvements and capital expenditures payable	2,981	619	2,646
Deferred leasing payable	1,589	1,332	1,813
Capital leased asset	10,657	0	0
Change in fair value of hedge	588	165	1,716
Transfer of treasury lock hedge	0	0	3,591
Contributions from common unitholder	0	33,090	0
Transfer of commercial real estate property, net	0	0	77,667
Transfer of preferred equity investments	0	324,858	15,697
Transfer of mortgage note and other loans payable	0	50,023	65,000
Redemption of Series E units of limited partnership interest of the Operating Partnership	$ 0	$ 31,698	$ 0

Organization and Basis of Presentation

12 Months Ended

Dec. 31, 2013

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Organization and Basis of Presentation

Reckson Operating Partnership, L.P., or ROP, commenced operations on June 2, 1995. The sole general partner of ROP is a wholly-owned subsidiary of SL Green Operating Partnership, L.P., or the Operating Partnership. The sole limited partner of ROP is the Operating Partnership.

ROP is engaged in the acquisition, ownership, management and operation of commercial real estate properties, principally office properties and also owns land for future development, located in the New York City, Westchester County and Connecticut, which collectively is also known as the New York Metropolitan area.

SL Green Realty Corp., or SL Green, and the Operating Partnership were formed in June 1997. SL Green 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," "us" and the "Company" means ROP and all entities owned or controlled by ROP.

On January 25, 2007, SL Green completed the acquisition of all of the outstanding shares of common stock of Reckson Associates Realty Corp., or RARC, the prior general partner of ROP. This transaction is referred to herein as the Merger.

In connection with the closing of our 2011 revolving credit facility and 2012 credit facility, in which we, along with SL Green and the Operating Partnership are borrowers, SL Green transferred five properties, with total assets aggregating to $683.8 million at November 1, 2011 and transferred three additional properties with total assets aggregating to $320.2 million at December 31, 2012, to ROP. Under the Business Combinations guidance, these were determined to be transfers of businesses between the indirect parent company and its wholly-owned subsidiary. As such, the assets and liabilities were transferred at their carrying value. These transfers are required to be recorded as of the beginning of the current reporting period as though the assets and liabilities had been transferred at that date. The consolidated financial statements and financial information presented for all prior years have been retrospectively adjusted to furnish comparative information.

On September 30, 2012, SL Green transferred $324.9 million of its preferred equity investments to ROP, one of which was subject to a secured $50.0 million loan. Under the Business Combinations guidance, these transfers were determined to be transfers of assets between the indirect parent company and its wholly-owned subsidiary. As such, the assets were transferred at their carrying value and accounted for prospectively from the date of transfer.

As of December 31, 2013, we owned the following interests in commercial office properties 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 Westchester County and Connecticut, which are collectively known as the Suburban commercial office properties:



Location	Ownership	Number of Buildings	Square Feet (unaudited)	Weighted Average Occupancy(1) (unaudited)
Manhattan	Consolidated properties	12	6,866,400	94.6	%
Suburban	Consolidated properties	17	2,785,500	79.1	%
		29	9,651,900	90.2	%

______________________________________________________________________


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

At December 31, 2013, we also own a mixed-use residential and commercial building encompassing approximately 493,000 square feet (unaudited), a development property encompassing approximately 104,000 square feet (unaudited) and an inventory of four separate development parcels that aggregated approximately 81 acres (unaudited) of land. As of December 31, 2013, we also held preferred equity investments with a book value of $369.4 million.

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

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Significant Accounting Policies

Significant Accounting Policies

12 Months Ended

Dec. 31, 2013

Accounting Policies [Abstract]

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 preferred equity investments. See Note 5, "Preferred Equity and Other Investments." ROP's investments in majority-owned and controlled real estate joint ventures are reflected in the financial statements on a consolidated basis with a reduction for the noncontrolling partners' interests. 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.

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 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 capital lease asset) amounted to approximately $131.9 million, $125.1 million and $118.9 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.

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.

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 values associated with in-place leases are amortized over the expected term of the associated lease, which generally range 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 increases of approximately $21.4 million, $20.2 million and $22.5 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. We recognized an increase (reduction) in interest expense for the amortization of above-market rate mortgages assumed of approximately $0.5 million, $0.7 million and $(1.2) 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			December 31, 2012
Identified intangible assets (included in other assets):
Gross amount	$	199,845		$	199,845
Accumulated amortization	(142,277		)	(125,009		)
Net	$	57,568		$	74,836
Identified intangible liabilities (included in deferred revenue):
Gross amount	$	399,088		$	399,088
Accumulated amortization	(262,642		)	(227,637		)
Net	$	136,446		$	171,451

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	$	7,461
2015	6,225
2016	6,279
2017	6,320
2018	6,325

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	$	4,574
2015	3,950
2016	2,832
2017	2,010
2018	1,308

Investment in Unconsolidated Joint Ventures

We account for our investment in the unconsolidated joint venture under the equity method of accounting in cases where we exercise significant influence, but do not control the entity 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 the joint ventures, the rights of the joint venture partner are both protective as well as participating. Unless the joint venture is determined to be a VIE and we are 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 in net income (loss) from unconsolidated joint ventures is allocated based on our ownership or economic interest in the 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. See Note 5, "Preferred Equity and Other Investments."

We assess our investment in our unconsolidated joint venture 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 investment for impairment based on the joint venture's projected discounted cash flows. During the years ended December 31, 2013 and 2012, we did not record any impairment charge on any of our investments in unconsolidated joint ventures. 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.

Cash and Cash Equivalents

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

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.

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 the 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 sheets 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 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 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 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 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 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 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 zero and $0.7 million on investments held to maturity during the years ended December 31, 2012 and 2011, respectively. We also recorded recoveries of $0.5 million and $3.1 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 reserves, net of recoveries on the consolidated statements of income.

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 leases payable on the consolidated balance sheets.

Income Taxes

No provision has been made for income taxes in the consolidated financial statements since such taxes, if any, are the responsibility of the individual partners.

Earnings per Unit

Earnings per unit was not computed in 2013, 2012 and 2011 as there were no outstanding common units held by third parties at December 31, 2013, 2012 and 2011.

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP 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.

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.

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.

Fair Value Measurements

See Note 9, "Fair Value Measurements."

Concentrations of Credit Risk

Financial instruments that potentially subject us to concentrations of credit risk consist primarily of cash investments, 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 preferred equity investments is located in the New York Metropolitan area. See Note 5, "Preferred Equity and Other 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 Suburban properties located in Westchester County and Connecticut. The tenants located in our buildings operate in various industries. Other than two tenants who account for approximately 5.1% and 3.4% of our share of annualized cash rent, respectively, no other tenant in the portfolio accounted for more than 3.3% of our annualized cash rent, including our share of joint venture annualized cash rent at December 31, 2013. Approximately 19.5%, 10.0%, 9.9%, 9.6% and 9.0% of our annualized cash rent was attributable to 1185 Avenue of the Americas, 919 Third Avenue, 750 Third Avenue, 810 Seventh Avenue and 1350 Avenue of the Americas, respectively, for the year ended December 31, 2013.

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 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 feet (unaudited) of commercial space, located at 315 West 33rd Street for $386.8 million.

2012 Acquisitions

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.

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



	315 West 33rd Street (1)		635 and 641 Sixth Avenue		304 Park Avenue South
Acquisition date	November 2013		September 2012		June 2012

Land	$	116,033	$	69,848	$	54,189
Building	270,742		104,474		75,619
Above market lease value	—		—		2,824
Acquired in-place leases	—		7,727		8,265
Other assets, net of other liabilities	—		—		—
Assets acquired	386,775		182,049		140,897
Below market lease value	—		9,049		5,897
Liabilities assumed	—		9,049		5,897
Purchase price allocation	$	386,775	$	173,000	$	135,000
Net consideration funded by us at closing	$	386,775	$	173,000	$	135,000
Equity and/or debt investment held	$	—	$	—	$	—
Debt assumed	$	—	$	—	$	—

______________________________________________________________________


(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.

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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Discontinued Operations and Disposal Groups [Abstract]

Property Dispositions

12 Months Ended

Dec. 31, 2013

Property Dispositions

In August 2013, we sold the property located at 333 West 34th Street, 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.

Discontinued operations includes the results of operations of real estate assets sold prior to December 31, 2013. This included 333 West 34th Street, which was sold in August 2013.

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	$	9,671	$	13,620	$	12,612
Escalation and reimbursement revenues	1,220		2,013		1,853
Total revenues	10,891		15,633		14,465
Operating expenses	3,049		5,067		4,847
Real estate taxes	611		936		1,111
Depreciation and amortization	2,987		5,795		5,634
Total expenses	6,647		11,798		11,592
Net income from discontinued operations	$	4,244	$	3,835	$	2,873

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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Investments, Debt and Equity Securities [Abstract]

Preferred Equity and Other Investments

12 Months Ended

Dec. 31, 2013

Preferred Equity and Other Investments

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 (1)		December 31, 2012 Carrying Value (1)		Initial Mandatory Redemption
Preferred equity	$	70,000	$	9,940	$	9,927	October 2014
Preferred equity(2)(3)	525,000		115,198		99,768		July 2015
Preferred equity(3)(4)	55,747		25,896		18,925		April 2016
Preferred equity(3)	926,260		218,330		209,959		July 2016
	$	1,577,007	$	369,364	$	338,579

______________________________________________________________________


(1)	Balance is net of discounts and deferred origination fees.


(2)	In June 2013, the redemption date was extended from July 2014 to July 2015.


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


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

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

Other Investments

Other investments pertained to investments accounted for under the equity method of accounting.

In January 2013, we, along with our joint venture partner, formed a joint venture that holds a preferred equity interest in an entity that owns a retail property located in Manhattan. The underlying preferred equity investment bore interest at a rate of 8.75% per annum. We held 40.0% interest or $20.0 million initial investment in the joint venture. In December 2013, the preferred equity investment was redeemed and its net proceeds were distributed to us and our joint venture partner.

Prior to July 2012, we also held a 30.0% interest in a joint venture that owned a property located at One Court Square, Long Island City, New York. In November 2011, we recorded a $5.8 million impairment charge in connection with the expected sale of this investment. In July 2012, the property was sold for $481.1 million, which included the assumption of $315.0 million of existing debt by the purchaser. We recognized a gain of $1.0 million on sale of this property.

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

Mortgage Note and Other Loans Payable

Mortgage Note and Other Loans Payable

12 Months Ended

Dec. 31, 2013

Mortgage Note and Other Loans Payable

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



Property	Interest Rate(1)		Maturity Date	December 31, 2013		December 31, 2012
609 Partners, LLC(2)	5.00	%	July 2014	$	23	$	23
Other loan payable(3)	8.00	%	September 2019	50,000		50,000
919 Third Avenue(4)	5.12	%	June 2023	500,000		500,000
				$	550,023	$	550,023

______________________________________________________________________


(1)	Effective weighted average interest rate for the year ended December 31, 2013.


(2)	This loan relates to the remaining 22,658 units of the Operating Partnership's 5.0% Series E Preferred Units, with a liquidation of $1.00 per unit, which was issued as part of an acquisition.


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


(4)	We own a 51% controlling interest in the joint venture that is the borrower on this loan. This loan is non-recourse to us.

At December 31, 2013, the gross book value of the property and preferred equity investment collateralizing the mortgage note and other loans payable was approximately $1.5 billion.

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 our senior unsecured long term indebtedness. 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 our senior unsecured long term indebtedness. 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 $905.4 million under the 2012 credit facility.

We, SL Green and the Operating Partnership are all borrowers jointly and severally obligated under the 2012 credit facility. No other subsidiary of SL Green's 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 our senior unsecured long-term indebtedness, 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.

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
August 13, 2004(2)	$	75,898	$	75,898	$	75,898	5.88	%	5.88	%	10	August 15, 2014
March 31, 2006(2)	255,308		255,206		255,165		6.00	%	6.00	%	10	March 31, 2016
August 5, 2011(3)	250,000		249,681		249,620		5.00	%	5.00	%	7	August 15, 2018
March 16, 2010(3)	250,000		250,000		250,000		7.75	%	7.75	%	10	March 15, 2020
November 15, 2012(3)	200,000		200,000		200,000		4.50	%	4.50	%	10	December 1, 2022
June 27, 2005(4)	7		7		7		4.00	%	4.00	%	20	June 15, 2025
	$	1,031,213	$	1,030,792	$	1,030,690

______________________________________________________________________


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


(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)	We, SL Green and the Operating Partnership are co-obligors.

(4)

Exchangeable senior debentures which are currently callable at par. In addition, the debentures can be put to us, 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 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.

ROP also provides a guaranty of the Operating Partnership's obligations under its 3.00% Exchangeable Senior Notes due 2017.

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, SL Green's 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 SL Green will not during any time when a default is continuing, make distributions with respect to SL Green's common stock or other equity interests, except to enable SL Green 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.

Principal Maturities

Combined aggregate principal maturities of mortgage note and other loans payable, revolving credit facility and term loan and senior unsecured notes as of December 31, 2013, including as-of-right extension options, were as follows (in thousands):



	Scheduled Amortization		Principal Repayments		Revolving Credit Facility		Term loan and Senior Unsecured Notes		Total
2014	$	—	$	23	$	—	$	75,898	$	75,921
2015	—		—		—		7		7
2016	3,566		—		—		255,308		258,874
2017	7,411		—		220,000		—		227,411
2018	7,799		—		—		650,000		657,799
Thereafter	39,630		491,594		—		450,000		981,224
	$	58,406	$	491,617	$	220,000	$	1,431,213	$	2,201,236

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



	Years Ended December 31,
	2013			2012			2011
Interest expense	$	110,190		$	108,634		$	82,516
Interest income	(58		)	(68		)	(94		)
Interest expense, net	$	110,132		$	108,566		$	82,422
Interest capitalized	$	—		$	—		$	—

Partners' Capital	12 Months Ended
Partners' Capital	Dec. 31, 2013
Partners' Capital Notes [Abstract]
Partners' Capital	Partners' Capital Since consummation of the Merger on January 25, 2007, the Operating Partnership has owned all the economic interests in ROP either by direct ownership or by indirect ownership through our general partner, which is its wholly-owned subsidiary. Intercompany transactions between SL Green and ROP are generally recorded as contributions and distributions.

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 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.

We measure our derivatives instruments at fair value on a recurring basis. 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 sheet include cash and cash equivalents, restricted cash, accounts receivable, accounts payable and accrued expenses, 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 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, respectively (in thousands):



	December 31, 2013				December 31, 2012
	Carrying Value		Fair Value		Carrying Value		Fair Value
Preferred equity investments	$	369,364	(1)		$	338,579	(1)

Fixed rate debt	$	1,610,815	$	1,714,721	$	1,610,713	$	1,776,057
Variable rate debt	590,000		607,865		440,000		435,205
	$	2,200,815	$	2,322,586	$	2,050,713	$	2,211,262

____________________________________


(1)	Preferred equity investments had an estimated fair value of approximately $400.0 million as of December 31, 2013. For the year ended December 31, 2012, preferred equity investments had an estimated fair value ranging between $300.0 million and $400.0 million .

Disclosure about fair value of financial instruments is based on pertinent information available to us as of December 31, 2013. 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.

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.

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Financial Instruments: Derivatives and Hedging

12 Months Ended

Dec. 31, 2013

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. We recognize all derivatives on the balance sheet at fair value. Derivatives that are not hedges are adjusted to fair value through earnings. If a derivative is a hedge, depending on the nature of the hedge, changes in the fair value of the derivative will either be offset against the change in fair value of the hedged asset, liability, or firm commitment through earnings, or recognized in other comprehensive income until the hedged item is recognized in earnings. The ineffective portion of a derivative’s change in fair value will be immediately recognized in earnings. Reported net income and capital may increase or decrease prospectively, depending on future levels of interest rates and other variables affecting the fair values of derivative instruments and hedged items, but will have no effect on cash flows. Currently, all of our designated derivative instruments are effective hedging instruments.

As of December 31, 2013, the Company has designated an interest swap agreement on the $30.0 million portion of the 2012 credit facility. The following table summarizes the notional and fair value of our derivative financial instrument at December 31, 2013 based on Level 2 inputs. 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 Swap

30,000

2.295

July 2010

June 2016

Other Liabilities

1,293

Gains and losses on terminated hedges are included in the accumulated other comprehensive loss, and are recognized into earnings over the remaining term of the related senior unsecured notes. As of December 31, 2013 and 2012, the deferred net losses from these terminated hedges, which are included in accumulated other comprehensive loss relating to net unrealized loss on derivative instrument, was approximately $2.7 million and $3.1 million, respectively.

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 $1.0 million of the current balance held in accumulated other comprehensive loss will be reclassified into interest expense within the next 12 months.

The following table presents the effect of our derivative financial instruments that are designated and qualify as hedging instruments on the consolidated statements of comprehensive 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,							Years Ended December 31,
Derivative	2013		2012			2011				2013		2012		2011			2013		2012		2011
Interest Rate Swaps/Caps	$	—	$	(794	)	$	(5,924	)	Interest expense	$	944	$	986	$	807	Interest expense	$	3	$	3	$	(16	)

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.

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Rental Income

12 Months Ended

Dec. 31, 2013

Leases [Abstract]

Rental Income

We are the lessor and the sublessor to tenants under operating leases with expiration dates ranging from January 1, 2014 to 2030. 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, are as follows (in thousands):



	Consolidated Properties
2014	$	418,623
2015	409,844
2016	381,065
2017	347,924
2018	323,224
Thereafter	1,280,624
	$	3,161,304

Related Party Transactions	12 Months Ended
Related Party Transactions	Dec. 31, 2013
Related Party Transactions [Abstract]
Related Party Transactions	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. An affiliate of ours 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. Approximately $3.0 million, $3.4 million and $2.4 million for the years ended December 31, 2013, 2012 and 2011, respectively, was earned by our affiliate from profit participation. We recorded expenses of approximately $6.0 million, $5.3 million and $4.7 million for the years ended December 31, 2013, 2012 and 2011, respectively, for these services (excluding services provided directly to tenants). Allocated Expenses from SL Green Property operating expenses include an allocation of salary and other operating costs from SL Green based on square footage of the related properties. Such amount was approximately $7.4 million, $6.7 million and $6.0 million for the years ended December 31, 2013, 2012 and 2011, respectively. Insurance We obtained insurance coverage through an insurance program administered by SL Green. In connection with this program we incurred insurance expense of approximately $5.1 million, $4.6 million and $4.4 million for the years ended December 31, 2013, 2012 and 2011, respectively.

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.

Compensation and Retirement Disclosure [Abstract]

Benefit Plans

12 Months Ended

Dec. 31, 2013

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 1, 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):



	Years Ended December 31,
Benefit Plan	2013		2012		2011
Pension Plan	$	1,084	$	1,004	$	975
Health Plan	3,346		3,165		2,933
Other plans	2,477		2,431		2,465
Total plan contributions	$	6,907	$	6,600	$	6,373

Commitments and Contingencies

12 Months Ended

Dec. 31, 2013

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Legal Proceedings

We are not presently involved in any material litigation nor, to our knowledge, 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 the properties were sold.

Ground and Capital Leases Arrangements

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.

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 673 First Avenue, which was transferred to ROP at December 31, 2012, 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, the lease was extended 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 lease and non-cancellable operating leases with initial terms in excess of one year as of December 31, 2013 (in thousands):



	Capital lease			Non-cancellable operating leases
2014	$	2,147		$	15,127
2015	2,218			15,282
2016	2,361			15,592
2017	2,361			15,592
2018	2,361			15,592
Thereafter	296,941			916,531
Total minimum lease payments	308,389			$	993,716
Less amount representing interest	(281,166		)
Present value of net minimum lease payment	$	27,223

Segment Information

12 Months Ended

Dec. 31, 2013

Segment Reporting [Abstract]

Segment Information

We are engaged in acquiring, owning, managing and leasing commercial properties in Manhattan, Westchester County and Connecticut and have two reportable segments, real estate and preferred equity investments. 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 Manhattan, Westchester County and Connecticut. 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, "Preferred Equity and Other Investments," for additional details on our 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		Preferred Equity Segment		Total Company
Total revenues:
Years ended:
December 31, 2013	$	523,952	$	43,226	$	567,178
December 31, 2012	503,679		9,497		513,176
December 31, 2011	484,015		3,077		487,092
Income from continuing operations:
Years ended:
December 31, 2013	$	32,612	$	40,118	$	72,730
December 31, 2012	26,799		8,372		35,171
December 31, 2011	56,565		5,440		62,005
Total assets
As of:
December 31, 2013	$	5,216,087	$	370,532	$	5,586,619
December 31, 2012	5,059,998		338,693		5,398,691

Income from continuing operations represents total revenues less total expenses for the real estate segment and total investment income and equity in net income from unconsolidated joint venture less allocated interest expense and provision for loan losses for the preferred equity segment. Interest costs for the preferred equity segment are imputed assuming 100% leverage at our 2012 credit facility borrowing cost. We also allocate loan loss reserves, net of recoveries to the preferred equity segment. We do not allocate marketing, general and administrative expenses and transaction related costs to the 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 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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Data (unaudited)

12 Months Ended

Dec. 31, 2013

Quarterly Financial Data (unaudited)

The quarterly results of operations of the Company for the years ended December 31, 2013 and 2012, which have been updated to reflect the properties transferred to us by SL Green as well as the reclassification of the properties sold or held during 2013 and 2012 as discontinued operations (see Note 4, "Property Dispositions"), are as follows (in thousands):



2013 Quarter Ended	December 31			September 30			June 30			March 31
Total revenues	$	149,304		$	140,173		$	138,460		$	139,241
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 and loss on extinguishment of debt	$	18,644		$	14,510		$	19,592		$	16,118
Equity in net income from unconsolidated joint ventures	2,615			480			481			366
Equity in net gain on sale of interest in unconsolidated joint venture	—			—			—			—
Loss on extinguishment of debt	—			—			(10		)	(66		)
Net income from discontinued operations	—			1,358			1,720			1,166
(Loss) gain on sale of discontinued operations	(31		)	13,787			—			—
Net income	21,228			30,135			21,783			17,584
Net income attributable to noncontrolling interests in other partnerships	(689		)	(1,399		)	(1,599		)	(1,513		)
Net income attributable to ROP common unitholder	$	20,539		$	28,736		$	20,184		$	16,071



2012 Quarter Ended	December 31			September 30			June 30			March 31
Total revenues	$	139,168		$	127,686		$	123,507		$	122,815
Income from continuing operations before equity in net (loss) income from unconsolidated joint ventures, equity in net (loss) gain on sale of interest in unconsolidated joint venture and loss on extinguishment of debt	$	12,134		$	10,427		$	9,970		$	7,577
Equity in net (loss) income from unconsolidated joint ventures	(3		)	183			660			126
Equity in net (loss) gain on sale of interest in unconsolidated joint venture	(10		)	(4,778		)	5,789			—
Loss on extinguishment of debt	(6,904		)	—			—			—
Net income from discontinued operations	783			855			1,036			1,161
Gain on sale of discontinued operations	—			—			—			—
Net income	6,000			6,687			17,455			8,864
Net income attributable to noncontrolling interests in other partnerships	(1,385		)	(1,188		)	(2,067		)	(1,373		)
Net income attributable to ROP common unitholder	$	4,615		$	5,499		$	15,388		$	7,491

Subsequent Events	12 Months Ended
Subsequent Events	Dec. 31, 2013
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events On March 21, 2014, we, together with SL Green and the Operating Partnership, entered into an amendment to the 2012 credit facility, which, among other things, upsized the term loan portion of the 2012 credit facility by $383.0 million to $783.0 million, decreased the interest-rate margin applicable to the term loan facility and extended the maturity of the term loan facility to June 30, 2019. The new term loan facility bears interest at a spread over either base rate or LIBOR ranging from 95 basis points to 190 basis points based on the credit rating assigned to our senior unsecured long term indebtedness. At March 21, 2014, the applicable spread for loans under the term loan facility was 140 basis points.

Schedule II-Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2013

Valuation and Qualifying Accounts [Abstract]

Schedule II-Valuation and Qualifying Accounts



Column A	Column B		Column C		Column D		Column E
Description	Balance at Beginning of Year		Additions Charged Against Operations/Recovery		Uncollectible Accounts Written-off		Balance at End of Year
Year Ended December 31, 2013
Tenant and other receivables—allowance	$	4,873	(182	)	(686	)	$	4,005
Deferred rent receivable—allowance	16,501		31		(1,333	)	15,199
Year Ended December 31, 2012
Tenant and other receivables—allowance	$	3,348	2,805		(1,280	)	$	4,873
Deferred rent receivable—allowance	15,942		1,131		(572	)	16,501
Year Ended December 31, 2011
Tenant and other receivables—allowance	$	4,126	632		(1,410	)	$	3,348
Deferred rent receivable—allowance	13,002		3,290		(350	)	15,942

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



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
810 Seventh Avenue(1)	$	—	$	114,077	$	476,386	$	—		$	44,614		$	114,077	$	521,000	$	635,077	$	98,988	1970	1/2007	Various
461 Fifth Avenue(1)(2)	—		—		62,695		—			8,003			—		70,698		70,698		19,807		1988	10/2003	Various
750 Third Avenue(1)(2)	—		51,093		205,972		—			33,895			51,093		239,867		290,960		62,379		1958	7/2004	Various
919 Third Avenue(1)(3)	500,000		223,529		1,033,198		—			13,475			223,529		1,046,673		1,270,202		188,175		1970	1/2007	Various
555 W. 57th Street(1)(2)	—		18,846		78,704		—			43,084			18,846		121,788		140,634		44,318		1971	1/1999	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(4)	—		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(4)	—		6,324		26,096		—			4,352			6,324		30,448		36,772		6,573		1979	1/2007	Various
115-117 Stevens Avenue(4)	—		5,933		23,826		—			5,891			5,933		29,717		35,650		6,825		1984	1/2007	Various
100 Summit Lake Drive(4)	—		10,526		43,109		—			7,036			10,526		50,145		60,671		10,089		1988	1/2007	Various
200 Summit Lake Drive(4)	—		11,183		47,906		—			6,222			11,183		54,128		65,311		10,388		1990	1/2007	Various
500 Summit Lake Drive(4)	—		9,777		39,048		—			5,508			9,777		44,556		54,333		8,023		1986	1/2007	Various
140 Grand Street(4)	—		6,865		28,264		—			4,048			6,865		32,312		39,177		6,608		1991	1/2007	Various
360 Hamilton Avenue(4)	—		29,497		118,250		—			11,545			29,497		129,795		159,292		25,138		2000	1/2007	Various
7 Landmark Square(5)	—		2,088		7,748		(367		)	(134		)	1,721		7,614		9,335		403		2007	1/2007	Various
680 Washington Boulevard(3)(5)	—		11,696		45,364		—			4,218			11,696		49,582		61,278		9,539		1989	1/2007	Various
750 Washington Boulevard(3)(5)	—		16,916		68,849		—			4,854			16,916		73,703		90,619		14,140		1989	1/2007	Various
1010 Washington Boulevard(2)(5)	—		7,747		30,423		—			3,667			7,747		34,090		41,837		6,507		1988	6/2007	Various
1055 Washington Boulevard(5)	—		13,516		53,228		—			3,118			13,516		56,346		69,862		10,700		1987	1/2007	Various
400 Summit Lake Drive(4)	—		38,889		—		285			1			39,174		1		39,175		1		-	1/2007	Various
673 First Avenue(1)(2)	—		—		35,727		—			23,464			—		59,191		59,191		20,019		1928	8/1997	Various
609 Fifth Avenue(1)(2)	—		36,677		145,954		—			7,230			36,677		153,184		189,861		28,481		1925	6/2006	Various
110 East 42nd Street(1)(2)	—		34,000		46,411		—			10,194			34,000		56,605		90,605		6,345		1921	5/2011	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
315 West 33rd Street(1)			116,033		270,742		—			—			116,033		270,742		386,775		921		2000-2001	11/2013	Various
Other(6)	—		1,128		—		83			4,693			1,211		4,693		5,904		—				Various
	$	500,000	$	1,030,807	$	4,281,326	$	3,245		$	347,603		$	1,034,052	$	4,628,929	$	5,662,981	$	849,331

______________________________________________________________________


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


(2)	Properties that were transferred in.


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


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


(5)	Property located in Connecticut.


(6)	Other includes tenant improvements, capitalized interest and corporate improvements.

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



	2013			2012			2011
Balance at beginning of year	$	5,395,935		$	5,048,410		$	4,918,508
Acquisitions	386,775			306,280			80,411
Improvements	89,055			42,467			54,065
Retirements/disposals	(208,784		)	(1,222		)	(4,574		)
Balance at end of year	$	5,662,981		$	5,395,935		$	5,048,410

The aggregate cost of land, buildings and improvements, before depreciation, for Federal income tax purposes at December 31, 2013 was approximately $3.9 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, respectively, are as follows (in thousands):



	2013			2012		2011
Balance at beginning of year	$	742,659		$	613,543	$	493,557
Depreciation for year	131,940			125,063		118,881
Retirements/disposals	(25,268		)	4,053		1,105
Balance at end of year	$	849,331		$	742,659	$	613,543

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.

Investment in Unconsolidated Joint Ventures

Cash and Cash Equivalents

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

Restricted Cash

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.

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

No provision has been made for income taxes in the consolidated financial statements since such taxes, if any, are the responsibility of the individual partners.

Earnings per Unit

Earnings per unit was not computed in 2013, 2012 and 2011 as there were no outstanding common units held by third parties at December 31, 2013, 2012 and 2011.

Use of Estimates

Exchangeable Debt Instruments

Derivative Instruments

Fair Value Measurements

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

Our investments in the New York Metropolitan area also include investments in Westchester County and Connecticut, which are collectively known as the Suburban commercial office properties:



Location	Ownership	Number of Buildings	Square Feet (unaudited)	Weighted Average Occupancy(1) (unaudited)
Manhattan	Consolidated properties	12	6,866,400	94.6	%
Suburban	Consolidated properties	17	2,785,500	79.1	%
		29	9,651,900	90.2	%

______________________________________________________________________


(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			December 31, 2012
Identified intangible assets (included in other assets):
Gross amount	$	199,845		$	199,845
Accumulated amortization	(142,277		)	(125,009		)
Net	$	57,568		$	74,836
Identified intangible liabilities (included in deferred revenue):
Gross amount	$	399,088		$	399,088
Accumulated amortization	(262,642		)	(227,637		)
Net	$	136,446		$	171,451

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



2014	$	7,461
2015	6,225
2016	6,279
2017	6,320
2018	6,325

Schedule of estimated annual amortization of all other identifiable assets



2014	$	4,574
2015	3,950
2016	2,832
2017	2,010
2018	1,308

Property Acquisitions (Tables)

12 Months Ended

Dec. 31, 2013

Business Combinations [Abstract]

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 acquisitions (in thousands):



	315 West 33rd Street (1)		635 and 641 Sixth Avenue		304 Park Avenue South
Acquisition date	November 2013		September 2012		June 2012

Land	$	116,033	$	69,848	$	54,189
Building	270,742		104,474		75,619
Above market lease value	—		—		2,824
Acquired in-place leases	—		7,727		8,265
Other assets, net of other liabilities	—		—		—
Assets acquired	386,775		182,049		140,897
Below market lease value	—		9,049		5,897
Liabilities assumed	—		9,049		5,897
Purchase price allocation	$	386,775	$	173,000	$	135,000
Net consideration funded by us at closing	$	386,775	$	173,000	$	135,000
Equity and/or debt investment held	$	—	$	—	$	—
Debt assumed	$	—	$	—	$	—

______________________________________________________________________


(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 (Tables)

12 Months Ended

Dec. 31, 2013

Discontinued Operations and Disposal Groups [Abstract]

Schedule 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	$	9,671	$	13,620	$	12,612
Escalation and reimbursement revenues	1,220		2,013		1,853
Total revenues	10,891		15,633		14,465
Operating expenses	3,049		5,067		4,847
Real estate taxes	611		936		1,111
Depreciation and amortization	2,987		5,795		5,634
Total expenses	6,647		11,798		11,592
Net income from discontinued operations	$	4,244	$	3,835	$	2,873

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.

Investments, Debt and Equity Securities [Abstract]

Preferred Equity and Other Investments (Tables)

12 Months Ended

Dec. 31, 2013

Schedule 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 (1)		December 31, 2012 Carrying Value (1)		Initial Mandatory Redemption
Preferred equity	$	70,000	$	9,940	$	9,927	October 2014
Preferred equity(2)(3)	525,000		115,198		99,768		July 2015
Preferred equity(3)(4)	55,747		25,896		18,925		April 2016
Preferred equity(3)	926,260		218,330		209,959		July 2016
	$	1,577,007	$	369,364	$	338,579

______________________________________________________________________


(1)	Balance is net of discounts and deferred origination fees.


(2)	In June 2013, the redemption date was extended from July 2014 to July 2015.


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


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

Mortgage Note and Other Loans Payable (Tables)

12 Months Ended

Dec. 31, 2013

Mortgage Note and Other Loans Payable

Schedule of the first mortgage note and other loans payable collateralized by the property, assignment of leases and investment



Property	Interest Rate(1)		Maturity Date	December 31, 2013		December 31, 2012
609 Partners, LLC(2)	5.00	%	July 2014	$	23	$	23
Other loan payable(3)	8.00	%	September 2019	50,000		50,000
919 Third Avenue(4)	5.12	%	June 2023	500,000		500,000
				$	550,023	$	550,023

______________________________________________________________________


(1)	Effective weighted average interest rate for the year ended December 31, 2013.


(2)	This loan relates to the remaining 22,658 units of the Operating Partnership's 5.0% Series E Preferred Units, with a liquidation of $1.00 per unit, which was issued as part of an acquisition.


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


(4)	We own a 51% controlling interest in the joint venture that is the borrower on this loan. This loan is non-recourse to us.

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
August 13, 2004(2)	$	75,898	$	75,898	$	75,898	5.88	%	5.88	%	10	August 15, 2014
March 31, 2006(2)	255,308		255,206		255,165		6.00	%	6.00	%	10	March 31, 2016
August 5, 2011(3)	250,000		249,681		249,620		5.00	%	5.00	%	7	August 15, 2018
March 16, 2010(3)	250,000		250,000		250,000		7.75	%	7.75	%	10	March 15, 2020
November 15, 2012(3)	200,000		200,000		200,000		4.50	%	4.50	%	10	December 1, 2022
June 27, 2005(4)	7		7		7		4.00	%	4.00	%	20	June 15, 2025
	$	1,031,213	$	1,030,792	$	1,030,690

______________________________________________________________________


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


(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)	We, SL Green and the Operating Partnership are co-obligors.

(4)

Schedule of Combined aggregate principal maturities of mortgage and other loans payable, 2012 credit facility and senior unsecured notes, including as-of-right extension options



	Scheduled Amortization		Principal Repayments		Revolving Credit Facility		Term loan and Senior Unsecured Notes		Total
2014	$	—	$	23	$	—	$	75,898	$	75,921
2015	—		—		—		7		7
2016	3,566		—		—		255,308		258,874
2017	7,411		—		220,000		—		227,411
2018	7,799		—		—		650,000		657,799
Thereafter	39,630		491,594		—		450,000		981,224
	$	58,406	$	491,617	$	220,000	$	1,431,213	$	2,201,236

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	$	110,190		$	108,634		$	82,516
Interest income	(58		)	(68		)	(94		)
Interest expense, net	$	110,132		$	108,566		$	82,422
Interest capitalized	$	—		$	—		$	—

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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

Fair Value, by Balance Sheet Grouping

Fair Value Measurements Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2013

Fair Value Disclosures [Abstract]

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



	December 31, 2013				December 31, 2012
	Carrying Value		Fair Value		Carrying Value		Fair Value
Preferred equity investments	$	369,364	(1)		$	338,579	(1)

Fixed rate debt	$	1,610,815	$	1,714,721	$	1,610,713	$	1,776,057
Variable rate debt	590,000		607,865		440,000		435,205
	$	2,200,815	$	2,322,586	$	2,050,713	$	2,211,262

____________________________________


(1)	Preferred equity investments had an estimated fair value of approximately $400.0 million as of December 31, 2013. For the year ended December 31, 2012, preferred equity investments had an estimated fair value ranging between $300.0 million and $400.0 million

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

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 Swap

30,000

2.295

July 2010

June 2016

Other Liabilities

1,293

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,							Years Ended December 31,
Derivative	2013		2012			2011				2013		2012		2011			2013		2012		2011
Interest Rate Swaps/Caps	$	—	$	(794	)	$	(5,924	)	Interest expense	$	944	$	986	$	807	Interest expense	$	3	$	3	$	(16	)

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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 815
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-Name Accounting Standards Codification
-Topic 235
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(n)(2))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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

Rental Income (Tables)

12 Months Ended

Dec. 31, 2013

Leases [Abstract]

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, are as follows (in thousands):



	Consolidated Properties
2014	$	418,623
2015	409,844
2016	381,065
2017	347,924
2018	323,224
Thereafter	1,280,624
	$	3,161,304

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):



	Years Ended December 31,
Benefit Plan	2013		2012		2011
Pension Plan	$	1,084	$	1,004	$	975
Health Plan	3,346		3,165		2,933
Other plans	2,477		2,431		2,465
Total plan contributions	$	6,907	$	6,600	$	6,373

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 noncancellable operating leases

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



	Capital lease			Non-cancellable operating leases
2014	$	2,147		$	15,127
2015	2,218			15,282
2016	2,361			15,592
2017	2,361			15,592
2018	2,361			15,592
Thereafter	296,941			916,531
Total minimum lease payments	308,389			$	993,716
Less amount representing interest	(281,166		)
Present value of net minimum lease payment	$	27,223

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		Preferred Equity Segment		Total Company
Total revenues:
Years ended:
December 31, 2013	$	523,952	$	43,226	$	567,178
December 31, 2012	503,679		9,497		513,176
December 31, 2011	484,015		3,077		487,092
Income from continuing operations:
Years ended:
December 31, 2013	$	32,612	$	40,118	$	72,730
December 31, 2012	26,799		8,372		35,171
December 31, 2011	56,565		5,440		62,005
Total assets
As of:
December 31, 2013	$	5,216,087	$	370,532	$	5,586,619
December 31, 2012	5,059,998		338,693		5,398,691

Quarterly Financial Data (unaudited) (Tables)

12 Months Ended

Dec. 31, 2013

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly results of operations



2013 Quarter Ended	December 31			September 30			June 30			March 31
Total revenues	$	149,304		$	140,173		$	138,460		$	139,241
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 and loss on extinguishment of debt	$	18,644		$	14,510		$	19,592		$	16,118
Equity in net income from unconsolidated joint ventures	2,615			480			481			366
Equity in net gain on sale of interest in unconsolidated joint venture	—			—			—			—
Loss on extinguishment of debt	—			—			(10		)	(66		)
Net income from discontinued operations	—			1,358			1,720			1,166
(Loss) gain on sale of discontinued operations	(31		)	13,787			—			—
Net income	21,228			30,135			21,783			17,584
Net income attributable to noncontrolling interests in other partnerships	(689		)	(1,399		)	(1,599		)	(1,513		)
Net income attributable to ROP common unitholder	$	20,539		$	28,736		$	20,184		$	16,071



2012 Quarter Ended	December 31			September 30			June 30			March 31
Total revenues	$	139,168		$	127,686		$	123,507		$	122,815
Income from continuing operations before equity in net (loss) income from unconsolidated joint ventures, equity in net (loss) gain on sale of interest in unconsolidated joint venture and loss on extinguishment of debt	$	12,134		$	10,427		$	9,970		$	7,577
Equity in net (loss) income from unconsolidated joint ventures	(3		)	183			660			126
Equity in net (loss) gain on sale of interest in unconsolidated joint venture	(10		)	(4,778		)	5,789			—
Loss on extinguishment of debt	(6,904		)	—			—			—
Net income from discontinued operations	783			855			1,036			1,161
Gain on sale of discontinued operations	—			—			—			—
Net income	6,000			6,687			17,455			8,864
Net income attributable to noncontrolling interests in other partnerships	(1,385		)	(1,188		)	(2,067		)	(1,373		)
Net income attributable to ROP common unitholder	$	4,615		$	5,499		$	15,388		$	7,491

Organization and Basis of Presentation (Details)
$ in Thousands

Dec. 31, 2013

USD ($)

ft²

property

Dec. 31, 2012

USD ($)

property

Sep. 30, 2012

USD ($)

Nov. 01, 2011

USD ($)

property

Number of properties transferred from the operating partnership to the entity by SL Green (properties) | property

Carrying value of properties transferred by SL Green | $

$ 320,200

$ 683,800

Carrying value of preferred equity investments transferred by SL Green | $

$ 324,900

Carrying value of loan secured by portion of a preferred equity investment | $

$ 50,000

Weighted Average Occupancy (as a percent)

9,651,900

^[1]

90.20%

Preferred equity investments | $

^[2]

$ 369,364

$ 338,579

Mixed-use residential and commercial property

493,000

Development property

104,000

Development parcels

Area of land (in acres) | a

Manhattan | Consolidated properties

Weighted Average Occupancy (as a percent)

6,866,400

^[1]

94.60%

Suburban | Consolidated properties

Weighted Average Occupancy (as a percent)

2,785,500

^[1]

79.10%

[1]	The weighted average occupancy represents the total leased square feet divided by total available rentable square feet.
[2]	Balance is net of discounts and deferred origination fees.

Significant Accounting Policies (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Investment in Commercial Real Estate Properties
Depreciation expense	$ 131,900	$ 125,100	$ 118,900
Impairment charges recorded	0	0	5,800
Increase in rental revenue from amortization of acquired leases	21,400	20,200	22,500
Increase /( reduction) in interest expense from amortization of above-market rate mortgages	500	700	$ (1,200)
Identified intangible assets (included in other assets):
Gross amount	199,845	199,845
Accumulated amortization	(142,277)	(125,009)
Net	57,568	74,836
Identified intangible liabilities (included in deferred revenue):
Gross amount	399,088	399,088
Accumulated amortization	(262,642)	(227,637)
Net	$ 136,446	$ 171,451
Maximum
Investment in Commercial Real Estate Properties
Period from cessation of major construction to consider construction project as complete and available for occupancy	1 year
Building (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
Buildings \| Minimum
Investment in Commercial Real Estate Properties
Estimated useful life	3 years
Buildings \| Maximum
Investment in Commercial Real Estate Properties
Estimated useful life	40 years
Other intangible assets \| Minimum
Investment in Commercial Real Estate Properties
Estimated useful life of intangible assets	1 year
Other intangible assets \| Maximum
Investment in Commercial Real Estate Properties
Estimated useful life of intangible assets	14 years
Above-market leases \| Minimum
Investment in Commercial Real Estate Properties
Estimated useful life of intangible assets	1 year
Above-market leases \| Maximum
Investment in Commercial Real Estate Properties
Estimated useful life of intangible assets	14 years
In-place leases \| Minimum
Investment in Commercial Real Estate Properties
Estimated useful life of intangible assets	1 year
In-place leases \| Maximum
Investment in Commercial Real Estate Properties
Estimated useful life of intangible assets	14 years
Acquired below-market leases, net of acquired above-market leases
Estimated annual amortization
2014	$ 7,461
2015	6,225
2016	6,279
2017	6,320
2018	6,325
All other identifiable assets
Estimated annual amortization
2014	4,574
2015	3,950
2016	2,832
2017	2,010
2018	$ 1,308

Significant Accounting Policies (Details 2) - USD ($)	12 Months Ended
Significant Accounting Policies (Details 2) - USD ($)	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenue Recognition
Period after which payments become due	90 days
Reserve for Possible Credit Losses
Loan loss reserve charge offs	$ 0	$ 0	$ 700,000.00
Recoveries recorded in connection with sale of debt investments		$ 500,000	$ 3,100,000.00

Significant Accounting Policies (Details 3)	12 Months Ended
Significant Accounting Policies (Details 3)	Dec. 31, 2013 Tenant
Concentrations of Credit Risk
Number of tenants concentration risk (tenants)	2
Annualized cash rent \| Customer concentration
Concentrations of Credit Risk
Maximum percentage of annualized cash rent for any one tenant not individually disclosed (percent)	3.30%
Annualized cash rent \| Customer concentration \| 1185 Avenue of the Americas
Concentrations of Credit Risk
Percentage of concentration (percent)	19.50%
Annualized cash rent \| Customer concentration \| 919 Third Avenue
Concentrations of Credit Risk
Percentage of concentration (percent)	10.00%
Annualized cash rent \| Customer concentration \| 750 Third Avenue
Concentrations of Credit Risk
Percentage of concentration (percent)	9.90%
Annualized cash rent \| Customer concentration \| 810 Seventh Avenue
Concentrations of Credit Risk
Percentage of concentration (percent)	9.60%
Annualized cash rent \| Customer concentration \| 1350 Avenue of the Americas
Concentrations of Credit Risk
Percentage of concentration (percent)	9.00%
Annualized cash rent \| First tenant \| Customer concentration
Concentrations of Credit Risk
Percentage of concentration (percent)	5.10%
Annualized cash rent \| Second tenant \| Customer concentration
Concentrations of Credit Risk
Percentage of concentration (percent)	3.40%

Property Acquisitions (Details)

1 Months Ended

Nov. 30, 2013

USD ($)

ft²

unit

Sep. 30, 2012

USD ($)

ft²

Jun. 30, 2012

USD ($)

ft²

Dec. 31, 2013

ft²

9,651,900

315 West 33rd Street

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed

Purchase price

^[1]

$ 386,775,000

Other assets, net of other liabilities

^[1]

116,033,000

Building

^[1]

270,742,000

Above market lease value

^[1]

Acquired in-place leases

^[1]

^[1]

Assets acquired

^[1]

386,775,000

Below market lease value

^[1]

Liabilities assumed

^[1]

Purchase price allocation

^[1]

386,775,000

Equity and/or debt investment held

^[1]

Business Combination, Consideration Transferred, Liabilities Incurred

^[1]

$ 0

635 and 641 Sixth Avenue

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed

267,000

Purchase price

$ 173,000,000

Other assets, net of other liabilities

69,848,000

Building

104,474,000

Above market lease value

Acquired in-place leases

7,727,000

Assets acquired

182,049,000

Below market lease value

9,049,000

Liabilities assumed

9,049,000

Purchase price allocation

173,000,000

Equity and/or debt investment held

Business Combination, Consideration Transferred, Liabilities Incurred

$ 0

304 Park Avenue

Value of units of limited partnership interest in the Operating Partnership

215,000

Purchase price

$ 135,000,000

Cash paid

102,000,000

33,000,000

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed

Other assets, net of other liabilities

54,189,000

Building

75,619,000

Above market lease value

2,824,000

Acquired in-place leases

8,265,000

Assets acquired

140,897,000

Below market lease value

5,897,000

Liabilities assumed

5,897,000

Purchase price allocation

135,000,000

Equity and/or debt investment held

Business Combination, Consideration Transferred, Liabilities Incurred

$ 0

Mixed-use residential and commercial property | 315 West 33rd Street

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

492,987

333

Commercial Real Estate | 315 West 33rd Street

270,132

[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) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended								12 Months Ended
Property Dispositions (Details) - USD ($) $ in Thousands	Aug. 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	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of discontinued operations		$ (31)	$ 13,787	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 13,756	$ 0	$ 0
Revenues
Rental revenue										9,671	13,620	12,612
Escalation and reimbursement revenues										1,220	2,013	1,853
Total revenues										10,891	15,633	14,465
Operating expenses										3,049	5,067	4,847
Real estate taxes										611	936	1,111
Depreciation and amortization										2,987	5,795	5,634
Total expenses										6,647	11,798	11,592
Net income from discontinued operations										$ 4,244	$ 3,835	$ 2,873
333 West 34th Street
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration for sale of property	$ 220,300
Gain on sale of discontinued operations	13,800
Labor and Related Expense	$ 3,000

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

1 Months Ended

3 Months Ended

12 Months Ended

Jan. 31, 2013

Jul. 31, 2012

Nov. 30, 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

$ 1,577,007

Impairment charges recorded

^[1]

369,364

$ 338,579

369,364

$ 338,579

$ 5,800

Equity in net gain on sale of interest in unconsolidated joint venture

$ 0

(10)

$ (4,778)

$ 5,789

$ 0

1,001

$ 0

Debt and preferred equity

Aggregate weighted average current yield (as a percent)

10.91%

Preferred equity with initial mandatory redemption on October, 2014

70,000

$ 70,000

Preferred equity with initial mandatory redemption on July, 2015

^[1]

9,940

9,927

9,940

9,927

^[2],[3]

525,000

Preferred equity with initial mandatory redemption on April, 2016

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

115,198

99,768

115,198

99,768

^[3],[4]

55,747

Preferred equity with initial mandatory redemption on July, 2016

^[1],[3],[4]

25,896

18,925

25,896

18,925

^[2]

926,260

^[1],[2]

$ 218,330

$ 209,959

$ 218,330

$ 209,959

One Court Square

Equity method investment, ownership percentage (percent)

30.00%

Impairment charges recorded

$ 5,800

Sales price

$ 481,100

Outstanding mortgage debt

315,000

Equity in net gain on sale of interest in unconsolidated joint venture

$ 1,000

Joint Venture

Aggregate weighted average current yield (as a percent)

8.75%

Equity method investment, ownership percentage (percent)

40.00%

Investment In joint venture

$ 20,000

[1]	Balance is net of discounts and deferred origination fees.
[2]	In June 2013, the redemption date was extended from July 2014 to July 2015.
[3]	The difference between the pay and accrual rates is included as an addition to the principal balance outstanding.
[4]	As of December 31, 2013, the loan is fully funded.

Mortgage Note and Other Loans Payable (Details) - USD ($)
$ / shares in Units, $ in Thousands

12 Months Ended

Dec. 31, 2013

Dec. 31, 2012

Sep. 30, 2012

Mortgage note and other loans payable

Secured debt

$ 50,000

$ 550,023

Gross book value of the property and investment collateralizing the mortgage note and other loan payable

$ 1,500,000

Other loan payable

Interest rate (as a percent)

^[1]

8.00%

Secured debt

^[1]

$ 50,000

50,000

609 Partners, LLC

Interest rate (as a percent)

^[2]

5.00%

Unsecured debt

^[2]

$ 23

Dividend rate of Series E preferred units (as a percent)

5.00%

Liquidation price per unit of Series E preferred units (in dollar per share)

$ 1

Series E preferred units outstanding (in shares)

22,658

919 Third Avenue

Interest rate (as a percent)

^[3]

5.12%

Secured debt

^[3]

$ 500,000

Controlling interest in the joint venture (as a percent)

51.00%

[1]	This loan is secured by a portion of a preferred equity investment.
[2]	This loan relates to the remaining 22,658 units of the Operating Partnership's 5.0% Series E Preferred Units, with a liquidation of $1.00 per unit, which was issued as part of an acquisition.
[3]	We own a 51% controlling interest in the joint venture that is the borrower on this loan. This loan is non-recourse to us.

Corporate Indebtedness (Details)

1 Months Ended

3 Months Ended

12 Months Ended

Dec. 27, 2012

USD ($)

Nov. 30, 2012

USD ($)

extenstion_option

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 ($)

$ / shares

Dec. 31, 2012

USD ($)

Dec. 31, 2011

USD ($)

$ 220,000,000

$ 70,000,000

$ 220,000,000

$ 70,000,000

(Gain) loss on early extinguishment of debt

1,430,792,000

1,430,690,000

1,430,792,000

1,430,690,000

$ 0

$ 10,000

$ 66,000

6,904,000

$ 0

76,000

6,904,000

$ 0

Scheduled amortization and principal repayments

75,921,000

7,000

258,874,000

227,411,000

657,799,000

981,224,000

Total amortization of debt and principal repayments

2,201,236,000

Interest expense

Interest expense

110,190,000

108,634,000

82,516,000

Interest income

(58,000)

(68,000)

(94,000)

Interest expense, net

110,132,000

108,566,000

82,422,000

Interest Costs Capitalized

$ 0

2012 Credit Facility

Number of extension options (extension options) | extenstion_option

$ 1,600,000,000.0

Extension option available, one

6 months

Maximum borrowing capacity, optional expansion

$ 1,500,000,000.0

Interest rate, description

LIBOR

Letters of credit

74,600,000

$ 74,600,000

Total undrawn capacity

905,400,000

$ 905,400,000

1,200,000,000.0

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

1.45%

0.30%

$ 220,000,000

Total principal repayments

1.62%

Principal Repayments

2017

$ 220,000,000

Thereafter

220,000,000

$ 220,000,000

Revolving credit facility | Minimum

Revolving credit facility | Maximum

1.00%

1.75%

Term loan

400,000,000.0

1.65%

$ 400,000,000

2.00%

Term loan | Minimum

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

1.15%

0.15%

Term loan | Maximum

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

2.00%

0.35%

2011 Revolving Credit Facility

2011 Revolving Credit Facility | Minimum

$ 1,500,000,000

Interest rate, description

LIBOR

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

1.00%

0.175%

2011 Revolving Credit Facility | Maximum

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

1.85%

0.45%

Senior Unsecured Notes

$ 1,031,213,000

5.88% senior unsecured notes maturing on August 15, 2014

1,030,792,000

1,030,690,000

1,030,792,000

1,030,690,000

^[1]

75,898,000

^[1]

$ 75,898,000

75,898,000

$ 75,898,000

75,898,000

5.875%

5.88%

^[1],[2]

5.88%

^[1],[2]

^[1]

5.88%

6.00% senior unsecured notes maturing on March 31, 2016

^[1]

10 years

Repurchase of debt

$ 22,700,000

^[1]

$ 255,308,000

^[1]

$ 255,206,000

255,165,000

$ 255,206,000

255,165,000

6.00%

^[1],[2]

6.00%

^[1],[2]

^[1]

6.00%

5.00% senior unsecured notes maturing on August 15, 2018

^[1]

10 years

Repurchase of debt

$ 19,700,000

^[3]

$ 250,000,000

^[3]

$ 249,681,000

249,620,000

$ 249,681,000

249,620,000

^[2],[3]

5.00%

^[3]

5.00%

7.75% senior unsecured notes maturing on March 15, 2020

^[3]

7 years

^[3]

$ 250,000,000

^[3]

$ 250,000,000

250,000,000

$ 250,000,000

250,000,000

^[2],[3]

7.75%

^[3]

7.75%

4.50% senior unsecured notes maturing on December 01, 2022

^[3]

10 years

^[3]

$ 200,000,000

^[3]

$ 200,000,000

200,000,000

$ 200,000,000

200,000,000

^[2],[3]

4.50%

^[3]

4.50%

4.00% senior unsecured notes maturing on June 15, 2025

^[3]

10 years

^[4]

$ 7,000

^[4]

$ 7,000

7,000

^[2],[4]

4.00%

^[4]

4.00%

Adjusted exchange rate for the debentures of SL Green common stock (in shares)

^[4]

20 years

7.7461

Principal amount of debentures, basis for conversion

$ 1,000

Adjusted reference dividend for debentures | $ / shares

$ 1.3491

Repayment of debt

$ 650,000

3.00% exchangeable senior notes due 2017

6.00% senior unsecured notes maturing on March 31, 2016 and 5.875% senior unsecured notes maturing on August 15, 2014

3.00%

(Gain) loss on early extinguishment of debt

Repurchase of debt

42,400,000

3,800,000

Repayment of debt

$ 46,400,000

Mortgage Loans Payable

Scheduled Amortization

$ 3,566,000

7,411,000

7,799,000

39,630,000

Total amortization of debt

58,406,000

Principal Repayments

2014

23,000

2015

Thereafter

491,594,000

Total principal repayments

491,617,000

Term loan and Senior Unsecured Notes

Principal Repayments

75,898,000

7,000

255,308,000

650,000,000

450,000,000

Total principal repayments

$ 1,431,213,000

[1]	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.
[2]	Interest on the senior unsecured notes is payable semi-annually with principal and unpaid interest due on the scheduled maturity dates.
[3]	We, SL Green and the Operating Partnership are co-obligors.
[4]	Exchangeable senior debentures which are currently callable at par. In addition, the debentures can be put to us, 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 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.

Fair Value Measurements (Details) - USD ($)
$ in Thousands

Dec. 31, 2013

Dec. 31, 2012

^[1]

$ 369,364

$ 338,579

Carrying Value | Level 3

Mortgage note and other loan payable and the senior unsecured notes

369,364

338,579

1,610,815

1,610,713

Floating rate debt inclusive of revolving credit facility

590,000

440,000

Debt instrument hedged amount

2,200,815

2,050,713

Fair Value | Level 3

Mortgage note and other loan payable and the senior unsecured notes

1,714,721

1,776,057

Floating rate debt inclusive of revolving credit facility

607,865

435,205

Debt instrument hedged amount

2,322,586

2,211,262

Fair Value | Level 3 | Minimum

Fair Value | Level 3 | Maximum

$ 400,000

300,000

Real Estate And Accumulated Depreciation

$ 400,000

[1]	Balance is net of discounts and deferred origination fees.

Financial Instruments: Derivatives and Hedging (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Derivative [Line Items]
Loss from settlement of hedges included in accumulated other comprehensive loss	$ 2,700	$ 3,100
Estimated current balance held in accumulated other comprehensive loss to be reclassified into earnings within the next 12 months	1,000
Interest Rate Swap
Derivative [Line Items]
Notional Value	$ 30,000
Strike Rate (percent)	2.295%
Fair Value	$ 1,293
Amount of Loss Recognized in Other Comprehensive Loss (Effective Portion) on derivatives qualifying as hedges	0	(794)	$ (5,924)
Amount of Loss Reclassified from Accumulated Other Comprehensive Loss into Interest Expense (Effective Portion) on derivatives qualifying as hedges	944	986	807
Amount of Loss Recognized in Interest Expense (Ineffective Portion) on derivatives qualifying as hedges	$ 3	$ 3	$ (16)

Rental Income (Details) - Consolidated Properties $ in Thousands	Dec. 31, 2013 USD ($)
Approximate future minimum rents to be received over the next five years and thereafter for non-cancelable operating leases
2014	$ 418,623
2015	409,844
2016	381,065
2017	347,924
2018	323,224
Thereafter	1,280,624
Total minimum lease payments	$ 3,161,304

Related Party Transactions (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Affiliate
Related Party Transactions
Profit participation received by related party	$ 3.0	$ 3.4	$ 2.4
Alliance Building Services
Related Party Transactions
Payments made for services	6.0	5.3	4.7
SL Green
Related Party Transactions
Allocation of salary and other operating costs from related party	7.4	6.7	6.0
Insurance expense incurred	$ 5.1	$ 4.6	$ 4.4

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	Oct. 02, 2010
Multi-employer plans
Quarterly diversion of employer contributions from the Health Plan to the Pension Plan				$ 1,950
Employer contributions	$ 6,907	$ 6,600	$ 6,373
Pension Plan
Multi-employer plans
Plan contributions from all employers	221,900	212,700	201,300
Employer contributions	1,084	1,004	975
Health Plan
Multi-employer plans
Plan contributions from all employers	923,500	893,300	843,200
Employer contributions	3,346	3,165	2,933
Other plans
Multi-employer plans
Employer contributions	$ 2,477	$ 2,431	$ 2,465

Commitments and Contingencies (Details) $ in Thousands	1 Months Ended	12 Months Ended
Commitments and Contingencies (Details) $ in Thousands	Nov. 30, 2012	Dec. 31, 2013 USD ($) item	Dec. 31, 2012 USD ($)
Commitments and contingencies
Capital lease, cost basis		$ 22,866	$ 12,208
Additional disclosure
Minimum initial term of noncancellable operating leases		1 year
Capital lease
2014		$ 2,147
2015		2,218
2016		2,361
2017		2,361
2018		2,361
Thereafter		296,941
Total minimum lease payments		308,389
Less amount representing interest		(281,166)
Present value of net minimum lease payment		27,223
Non-cancellable operating leases
2014		15,127
2015		15,282
2016		15,592
2017		15,592
2018		15,592
Thereafter		916,531
Total minimum lease payments		993,716
1185 Avenue of the Americas
Commitments and contingencies
Required annual ground lease payments		$ 6,900
Term of first renewal option		23 years
461 Fifth Avenue
Commitments and contingencies
Required annual ground lease payments		$ 2,100
Term of first renewal option		21 years
Number of renewal options available (extension options) \| item		2
Term of second renewal option		21 years
Term of third renewal option		15 years
673 First Ave
Commitments and contingencies
Term of first renewal option		25 years
Land area as a 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
Cumulative amortization		$ 6,500	$ 6,300

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
Revenues	$ 149,304	$ 140,173	$ 138,460	$ 139,241	$ 139,168	$ 127,686	$ 123,507	$ 122,815	$ 567,178	$ 513,176	$ 487,092
Number of reportable segments (segment) \| segment									2
Income from continuing operations:									$ 72,730	35,171	62,005
Total assets	5,586,619				5,398,691				$ 5,586,619	5,398,691
Leverage rate assumption (as a percent)									100.00%
Real Estate Segment
Segment information
Revenues									$ 523,952	503,679	484,015
Income from continuing operations:									32,612	26,799	56,565
Total assets	5,216,087				5,059,998				5,216,087	5,059,998
Preferred Equity Segment
Segment information
Revenues									43,226	9,497	3,077
Income from continuing operations:									40,118	8,372	$ 5,440
Total assets	$ 370,532				$ 338,693				$ 370,532	$ 338,693

Quarterly Financial Data (unaudited) (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
Quarterly Financial Information Disclosure [Abstract]
Total revenues	$ 149,304	$ 140,173	$ 138,460	$ 139,241	$ 139,168	$ 127,686	$ 123,507	$ 122,815	$ 567,178	$ 513,176	$ 487,092
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 and loss on extinguishment of debt	18,644	14,510	19,592	16,118	12,134	10,427	9,970	7,577	68,864	40,108	67,297
Equity in net income from unconsolidated joint ventures	2,615	480	481	366	(3)	183	660	126	3,942	966	497
Equity in net gain on sale of interest in unconsolidated joint venture	0	0	0	0	(10)	(4,778)	5,789	0	0	1,001	0
Loss on early extinguishment of debt	0	0	(10)	(66)	(6,904)	0	0	0	(76)	(6,904)	0
Net income from discontinued operations	0	1,358	1,720	1,166	783	855	1,036	1,161	4,244	3,835	2,873
(Loss) gain on sale of discontinued operations	(31)	13,787	0	0	0	0	0	0	13,756	0	0
Net income	21,228	30,135	21,783	17,584	6,000	6,687	17,455	8,864	90,730	39,006	64,878
Net income attributable to noncontrolling interests in other partnerships	(689)	(1,399)	(1,599)	(1,513)	(1,385)	(1,188)	(2,067)	(1,373)	(5,200)	(6,013)	(9,886)
Net income attributable to ROP common unitholder	$ 20,539	$ 28,736	$ 20,184	$ 16,071	$ 4,615	$ 5,499	$ 15,388	$ 7,491	$ 85,530	$ 32,993	$ 54,992

Subsequent Events (Details) - Term loan - USD ($)	1 Months Ended	12 Months Ended
Subsequent Events (Details) - Term loan - USD ($)	Mar. 21, 2014	Dec. 31, 2013	Feb. 28, 2014	Nov. 30, 2012
Subsequent Event [Line Items]
Maximum borrowing capacity				$ 400,000,000.0
Interest rate added to base rate (as a percent)		1.65%
Subsequent Event
Subsequent Event [Line Items]
Maximum borrowing capacity	$ 783,000,000.0		$ 383,000,000
LIBOR \| Subsequent Event
Subsequent Event [Line Items]
Interest rate added to base rate (as a percent)	1.40%
Minimum
Subsequent Event [Line Items]
Interest rate added to base rate (as a percent)		1.15%
Minimum \| LIBOR \| Subsequent Event
Subsequent Event [Line Items]
Interest rate added to base rate (as a percent)	0.95%
Maximum
Subsequent Event [Line Items]
Interest rate added to base rate (as a percent)		2.00%
Maximum \| LIBOR \| Subsequent Event
Subsequent Event [Line Items]
Interest rate added to base rate (as a percent)	1.90%

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	$ 4,873	$ 3,348	$ 4,126
Additions Charged Against Operations/Recovery	(182)	2,805	632
Uncollectible Accounts Written-off	(686)	(1,280)	(1,410)
Balance at End of Year	4,005	4,873	3,348
Deferred rent receivable—allowance
Changes in valuation allowance
Balance at Beginning of Year	16,501	15,942	13,002
Additions Charged Against Operations/Recovery	31	1,131	3,290
Uncollectible Accounts Written-off	(1,333)	(572)	(350)
Balance at End of Year	$ 15,199	$ 16,501	$ 15,942

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

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2010

Encumbrances

$ 500,000

1,030,807

4,281,326

3,245

Gross Amount at Which Carried at Close of Period

347,603

1,034,052

4,628,929

5,662,981

$ 5,395,935

$ 5,048,410

$ 4,918,508

849,331

$ 742,659

$ 613,543

$ 493,557

810 Seventh Avenue

^[1]

114,077

^[1]

476,386

Gross Amount at Which Carried at Close of Period

^[1]

44,614

^[1]

114,077

^[1]

521,000

^[1]

635,077

^[1]

98,988

461 Fifth Avenue

^[1],[2]

62,695

Gross Amount at Which Carried at Close of Period

^[1],[2]

8,003

^[1],[2]

70,698

^[1],[2]

70,698

^[1],[2]

19,807

750 Third Avenue

^[1],[2]

51,093

^[1],[2]

205,972

Gross Amount at Which Carried at Close of Period

^[1],[2]

33,895

^[1],[2]

51,093

^[1],[2]

239,867

^[1],[2]

290,960

Real Estate And Accumulated Depreciation

^[1],[2]

62,379

919 Third Avenue

Encumbrances

^[1],[3]

500,000

^[1],[3]

223,529

^[1],[3]

1,033,198

Gross Amount at Which Carried at Close of Period

^[1],[3]

13,475

^[1],[3]

223,529

^[1],[3]

1,046,673

^[1],[3]

1,270,202

Interest in property (as a percent)

^[1],[3]

$ 188,175

51.00%

555 W. 57th Street

^[1],[2]

$ 18,846

^[1],[2]

78,704

Gross Amount at Which Carried at Close of Period

^[1],[2]

43,084

^[1],[2]

18,846

^[1],[2]

121,788

^[1],[2]

140,634

1185 Avenue of the Americas

^[1],[2]

44,318

^[1]

728,213

Gross Amount at Which Carried at Close of Period

^[1]

32,402

^[1]

760,615

^[1]

760,615

1350 Avenue of the Americas

^[1]

152,278

^[1]

91,038

^[1]

380,744

Gross Amount at Which Carried at Close of Period

^[1]

26,376

^[1]

91,038

^[1]

407,120

^[1]

498,158

1100 King Street - 1-7 International Drive

^[1]

78,379

^[4]

49,392

^[4]

104,376

^[4]

2,473

Gross Amount at Which Carried at Close of Period

^[4]

16,810

^[4]

51,865

^[4]

121,186

^[4]

173,051

^[4]

26,659

520 White Plains Road

^[4]

6,324

^[4]

26,096

Gross Amount at Which Carried at Close of Period

^[4]

4,352

^[4]

6,324

^[4]

30,448

^[4]

36,772

^[4]

6,573

115-117 Stevens Avenue

^[4]

5,933

^[4]

23,826

Gross Amount at Which Carried at Close of Period

^[4]

5,891

^[4]

5,933

^[4]

29,717

^[4]

35,650

^[4]

6,825

100 Summit Lake Drive

^[4]

10,526

^[4]

43,109

Gross Amount at Which Carried at Close of Period

^[4]

7,036

^[4]

10,526

^[4]

50,145

^[4]

60,671

^[4]

10,089

200 Summit Lake Drive

^[4]

11,183

^[4]

47,906

Gross Amount at Which Carried at Close of Period

^[4]

6,222

^[4]

11,183

^[4]

54,128

^[4]

65,311

^[4]

10,388

500 Summit Lake Drive

^[4]

9,777

^[4]

39,048

Gross Amount at Which Carried at Close of Period

^[4]

5,508

^[4]

9,777

^[4]

44,556

^[4]

54,333

^[4]

8,023

140 Grand Street

^[4]

6,865

^[4]

28,264

Gross Amount at Which Carried at Close of Period

^[4]

4,048

^[4]

6,865

^[4]

32,312

^[4]

39,177

^[4]

6,608

360 Hamilton Avenue

^[4]

29,497

^[4]

118,250

Gross Amount at Which Carried at Close of Period

^[4]

11,545

^[4]

29,497

^[4]

129,795

^[4]

159,292

^[4]

25,138

7 Landmark Square

^[5]

2,088

^[5]

7,748

^[5]

(367)

Gross Amount at Which Carried at Close of Period

^[5]

(134)

^[5]

1,721

^[5]

7,614

^[5]

9,335

^[5]

403

680 Washington Boulevard

^[3],[5]

11,696

^[3],[5]

45,364

Gross Amount at Which Carried at Close of Period

^[3],[5]

4,218

^[3],[5]

11,696

^[3],[5]

49,582

^[3],[5]

61,278

Interest in property (as a percent)

^[3],[5]

$ 9,539

51.00%

750 Washington Boulevard

^[3],[5]

$ 16,916

^[3],[5]

68,849

Gross Amount at Which Carried at Close of Period

^[3],[5]

4,854

^[3],[5]

16,916

^[3],[5]

73,703

^[3],[5]

90,619

Interest in property (as a percent)

^[3],[5]

$ 14,140

51.00%

1010 Washington Boulevard

^[2],[5]

$ 7,747

^[2],[5]

30,423

Gross Amount at Which Carried at Close of Period

^[2],[5]

3,667

^[2],[5]

7,747

^[2],[5]

34,090

^[2],[5]

41,837

1055 Washington Boulevard

^[2],[5]

6,507

^[5]

13,516

^[5]

53,228

Gross Amount at Which Carried at Close of Period

^[5]

3,118

^[5]

13,516

^[5]

56,346

^[5]

69,862

^[5]

10,700

400 Summit Lake Drive

^[2],[4]

38,889

^[2],[4]

285

Gross Amount at Which Carried at Close of Period

^[2],[4]

^[2],[4]

39,174

^[2],[4]

^[2],[4]

39,175

^[4]

673 First Ave

^[1],[2]

35,727

Gross Amount at Which Carried at Close of Period

^[1],[2]

23,464

^[1],[2]

59,191

^[1],[2]

59,191

^[1],[2]

20,019

609 Fifth Avenue

^[1],[2]

36,677

^[1],[2]

145,954

Gross Amount at Which Carried at Close of Period

^[1],[2]

7,230

^[1],[2]

36,677

^[1],[2]

153,184

^[1],[2]

189,861

^[1],[2]

28,481

110 East 42nd Street

^[2]

34,000

^[2]

46,411

Gross Amount at Which Carried at Close of Period

^[2]

10,194

^[2]

34,000

^[2]

56,605

^[2]

90,605

^[2]

6,345

304 Park Avenue

^[1]

54,189

^[1]

75,619

^[1]

300

Gross Amount at Which Carried at Close of Period

^[1]

4,198

^[1]

54,489

^[1]

79,817

^[1]

134,306

^[1]

4,726

635 Sixth Avenue

^[1]

24,180

^[1]

37,158

^[1]

163

Gross Amount at Which Carried at Close of Period

^[1]

18,071

^[1]

24,343

^[1]

55,229

^[1]

79,572

^[1]

641 Sixth Avenue

^[1]

45,668

^[1]

67,316

^[1]

308

Gross Amount at Which Carried at Close of Period

^[1]

768

^[1]

45,976

^[1]

68,084

^[1]

114,060

^[1]

2,922

315 West 33rd Street

^[1]

116,033

^[1]

270,742

Gross Amount at Which Carried at Close of Period

^[1]

^[1]

116,033

^[1]

270,742

^[1]

386,775

^[1]

921

Other

^[6]

1,128

^[6]

Gross Amount at Which Carried at Close of Period

^[6]

4,693

^[6]

1,211

^[6]

4,693