Consolidated Balance Sheets - USD ($) $ in Thousands		Sep. 30, 2019	Dec. 31, 2018
Commercial real estate properties, at cost:
Land and land interests		$ 1,860,922	$ 1,774,899
Building and improvements		5,352,144	5,268,484
Building leasehold and improvements		1,431,183	1,423,107
Right of use asset - financing leases		47,445	47,445
Right of use asset - operating leases		396,795	0
Total commercial real estate properties, at cost		9,088,489	8,513,935
Less: accumulated depreciation		(2,147,395)	(2,099,137)
Total commercial real estate properties, net		6,941,094	6,414,798
Assets held for sale		403,488	0
Cash and cash equivalents		121,751	129,475
Restricted cash		94,793	149,638
Investments in marketable securities		30,208	28,638
Tenant and other receivables		44,950	41,589
Related party receivables		20,030	28,033
Deferred rents receivable		306,431	335,985
Debt and preferred equity investments, net of discounts and deferred origination fees of $16,224 and $22,379 in 2019 and 2018, respectively, and allowances of $1,750 and $5,750 in 2019 and 2018, respectively.		1,954,556	2,099,393
Investments in unconsolidated joint ventures		2,923,595	3,019,020
Deferred costs, net		182,621	209,110
Other assets		271,467	295,679
Total assets	[1]	13,294,984	12,751,358
Liabilities
Mortgages and other loans payable, net		2,417,161	1,961,240
Revolving credit facility, net		328,549	492,196
Unsecured term loans, net		1,493,691	1,493,051
Unsecured notes, net		1,496,367	1,495,214
Accrued interest payable		27,568	23,154
Other liabilities		140,899	116,566
Accounts payable and accrued expenses		143,361	147,060
Deferred revenue		126,321	94,453
Lease liability - financing leases		44,251	43,616
Lease liability - operating leases		384,661	3,603
Dividend and distributions payable		78,541	80,430
Security deposits		62,166	64,688
Junior subordinated deferrable interest debentures held by trusts that issued trust preferred securities		100,000	100,000
Total liabilities	[1]	6,843,536	6,115,271
Commitments and contingencies
Noncontrolling interests in Operating Partnership		401,863	387,805
Preferred units		286,285	300,427
Equity
Series I Preferred Stock, $0.01 par value, $25.00 liquidation preference, 9,200 issued and outstanding at both September 30, 2019 and December 31, 2018		221,932	221,932
Common stock, $0.01 par value, 160,000 shares authorized and 82,570 and 84,739 issued and outstanding at September 30, 2019 and December 31, 2018, respectively (including 1,055 shares held in treasury at September 30, 2019 and December 31, 2018)		826	847
Additional paid-in-capital		4,407,667	4,508,685
Treasury stock at cost		(124,049)	(124,049)
Accumulated other comprehensive (loss) income		(40,132)	15,108
Retained earnings		1,225,904	1,278,998
Total SL Green stockholders' equity		5,692,148	5,901,521
Noncontrolling interests in other partnerships		71,152	46,334
Total equity		5,763,300	5,947,855
SL Green stockholders equity:
Total liabilities and equity/capital		13,294,984	12,751,358
SL Green Operating Partnership
Commercial real estate properties, at cost:
Land and land interests		1,860,922	1,774,899
Building and improvements		5,352,144	5,268,484
Building leasehold and improvements		1,431,183	1,423,107
Right of use asset - financing leases		47,445	47,445
Right of use asset - operating leases		396,795	0
Total commercial real estate properties, at cost		9,088,489	8,513,935
Less: accumulated depreciation		(2,147,395)	(2,099,137)
Total commercial real estate properties, net		6,941,094	6,414,798
Assets held for sale		403,488	0
Cash and cash equivalents		121,751	129,475
Restricted cash		94,793	149,638
Investments in marketable securities		30,208	28,638
Tenant and other receivables		44,950	41,589
Related party receivables		20,030	28,033
Deferred rents receivable		306,431	335,985
Debt and preferred equity investments, net of discounts and deferred origination fees of $16,224 and $22,379 in 2019 and 2018, respectively, and allowances of $1,750 and $5,750 in 2019 and 2018, respectively.		1,954,556	2,099,393
Investments in unconsolidated joint ventures		2,923,595	3,019,020
Deferred costs, net		182,621	209,110
Other assets		271,467	295,679
Total assets	[2]	13,294,984	12,751,358
Liabilities
Mortgages and other loans payable, net		2,417,161	1,961,240
Revolving credit facility, net		328,549	492,196
Unsecured term loans, net		1,493,691	1,493,051
Unsecured notes, net		1,496,367	1,495,214
Accrued interest payable		27,568	23,154
Other liabilities		140,899	116,566
Accounts payable and accrued expenses		143,361	147,060
Deferred revenue		126,321	94,453
Lease liability - financing leases		44,251	43,616
Lease liability - operating leases		384,661	3,603
Dividend and distributions payable		78,541	80,430
Security deposits		62,166	64,688
Junior subordinated deferrable interest debentures held by trusts that issued trust preferred securities		100,000	100,000
Total liabilities	[2]	6,843,536	6,115,271
Commitments and contingencies
Noncontrolling interests in Operating Partnership		401,863	387,805
Limited partner interests in SLGOP (4,258 and 4,131 limited partner common units outstanding at September 30, 2019 and December 31, 2018, respectively)		401,863	387,805
Preferred units		286,285	300,427
Equity
Accumulated other comprehensive (loss) income		(40,132)	15,108
SL Green stockholders equity:
Series I Preferred Units, $25.00 liquidation preference, 9,200 issued and outstanding at both September 30, 2019 and December 31, 2018		221,932	221,932
SL Green partners' capital (858 and 878 general partner common units and 80,657 and 82,806 limited partner common units outstanding at September 30, 2019 and December 31, 2018, respectively)		5,510,348	5,664,481
Total SLGOP partners' capital		5,692,148	5,901,521
Noncontrolling interests in other partnerships		71,152	46,334
Total capital		5,763,300	5,947,855
Total liabilities and equity/capital		$ 13,294,984	$ 12,751,358

[1] The Company's consolidated balance sheets include assets and liabilities of consolidated variable interest entities ("VIEs"). See Note 2. The consolidated balance sheets include the following amounts related to our consolidated VIEs, excluding the Operating Partnership: $219.4 million and $110.0 million of land, $522.9 million and $346.7 million of building and improvements, $2.0 million and $2.0 million of building and leasehold improvements, $61.7 million and $47.4 million of right of use assets, $27.6 million and $42.2 million of accumulated depreciation, $99.4 million and $112.6 million of other assets included in other line items, $473.2 million and $140.8 million of real estate debt, net, $1.4 million and $0.4 million of accrued interest payable, $57.4 million and $43.6 million of lease liabilities, and $35.7 million and $18.3 million of other liabilities included in other line items as of September 30, 2019 and December 31, 2018, respectively.

[2] The Company's consolidated balance sheets include assets and liabilities of consolidated variable interest entities ("VIEs"). See Note 2. The consolidated balance sheets include the following amounts related to our consolidated VIEs, excluding the Operating Partnership: $219.4 million and $110.0 million of land, $522.9 million and $346.7 million of building and improvements, $2.0 million and $2.0 million of building and leasehold improvements, $61.7 million and $47.4 million of right of use assets, $27.6 million and $42.2 million of accumulated depreciation, $99.4 million and $112.6 million of other assets included in other line items, $473.2 million and $140.8 million of real estate debt, net, $1.4 million and $0.4 million of accrued interest payable, $57.4 million and $43.6 million of lease liabilities, and $35.7 million and $18.3 million of other liabilities included in other line items as of September 30, 2019 and December 31, 2018, respectively.