Consolidated Balance Sheets - USD ($) $ in Thousands		Sep. 30, 2020	Dec. 31, 2019
Commercial real estate properties, at cost:
Land and land interests		$ 1,639,118	$ 1,751,544
Building and improvements		5,483,155	5,154,990
Building leasehold and improvements		1,442,251	1,433,793
Right of use asset - financing leases		75,711	47,445
Right of use asset - operating leases		381,255	396,795
Total commercial real estate properties, at cost		9,021,490	8,784,567
Less: accumulated depreciation		(2,260,247)	(2,060,560)
Total commercial real estate properties, net		6,761,243	6,724,007
Assets held for sale		0	391,664
Cash and cash equivalents		221,404	166,070
Restricted cash		83,045	75,360
Investments in marketable securities		27,734	29,887
Tenant and other receivables		72,806	43,968
Related party receivables		31,936	21,121
Deferred rents receivable		304,673	283,011
Debt and preferred equity investments, net of discounts and deferred origination fees of $12,031 and $14,562 and allowances of $19,010 and $1,750 in 2020 and 2019, respectively		1,153,363	1,580,306
Investments in unconsolidated joint ventures		2,946,673	2,912,842
Deferred costs, net		206,289	205,283
Other assets		514,873	332,801
Total assets	[1]	12,324,039	12,766,320
Liabilities
Mortgages and other loans payable, net		2,391,744	2,183,253
Revolving credit facility, net		184,840	234,013
Unsecured term loans, net		1,494,793	1,494,024
Unsecured notes, net		1,247,795	1,496,847
Accrued interest payable		23,438	22,148
Other liabilities		306,077	177,080
Accounts payable and accrued expenses		152,983	166,905
Deferred revenue		117,615	114,052
Lease liability - financing leases		174,983	44,448
Lease liability - operating leases		358,419	381,671
Dividend and distributions payable		25,486	79,282
Security deposits		56,212	62,252
Liabilities related to assets held for sale		0	0
Junior subordinated deferrable interest debentures held by trusts that issued trust preferred securities		100,000	100,000
Total liabilities	[1]	6,634,385	6,555,975
Commitments and contingencies
Noncontrolling interests in Operating Partnership		353,480	409,862
Preferred units		202,169	283,285
Equity
Series I Preferred Stock, $0.01 par value, $25.00 liquidation preference, 9,200 issued and outstanding at both September 30, 2020 and December 31, 2019		221,932	221,932
Common stock, $0.01 par value, 160,000 shares authorized and 74,095 and 80,257 issued and outstanding at September 30, 2020 and December 31, 2019, respectively (including 1,055 and 1,055 shares held in treasury at September 30, 2020 and December 31, 2019, respectively)		741	803
Additional paid-in-capital		3,998,516	4,286,395
Treasury stock at cost		(124,049)	(124,049)
Accumulated other comprehensive loss		(76,200)	(28,485)
Retained earnings		1,035,172	1,084,719
Total SL Green stockholders' equity		5,056,112	5,441,315
Noncontrolling interests in other partnerships		77,893	75,883
Total equity		5,134,005	5,517,198
SL Green stockholders equity:
Total liabilities and equity/capital		12,324,039	12,766,320
Variable Interest Entity, Primary Beneficiary
Commercial real estate properties, at cost:
Land and land interests		375,900	205,200
Building and improvements		1,400,000	481,900
Building leasehold and improvements		2,000	2,000
Right of use asset - financing leases		61,700	61,700
Less: accumulated depreciation		(296,300)	(17,600)
Other assets		322,800	169,500
Liabilities
Mortgages and other loans payable, net		510,700	457,100
Accrued interest payable		1,100	1,200
Other liabilities		48,900	43,700
Lease liability - financing leases		58,400	57,700
SL Green Operating Partnership
Commercial real estate properties, at cost:
Land and land interests		1,639,118	1,751,544
Building and improvements		5,483,155	5,154,990
Building leasehold and improvements		1,442,251	1,433,793
Right of use asset - financing leases		75,711	47,445
Right of use asset - operating leases		381,255	396,795
Total commercial real estate properties, at cost		9,021,490	8,784,567
Less: accumulated depreciation		(2,260,247)	(2,060,560)
Total commercial real estate properties, net		6,761,243	6,724,007
Assets held for sale		0	391,664
Cash and cash equivalents		221,404	166,070
Restricted cash		83,045	75,360
Investments in marketable securities		27,734	29,887
Tenant and other receivables		72,806	43,968
Related party receivables		31,936	21,121
Deferred rents receivable		304,673	283,011
Debt and preferred equity investments, net of discounts and deferred origination fees of $12,031 and $14,562 and allowances of $19,010 and $1,750 in 2020 and 2019, respectively		1,153,363	1,580,306
Investments in unconsolidated joint ventures		2,946,673	2,912,842
Deferred costs, net		206,289	205,283
Other assets		514,873	332,801
Total assets	[2]	12,324,039	12,766,320
Liabilities
Mortgages and other loans payable, net		2,391,744	2,183,253
Revolving credit facility, net		184,840	234,013
Unsecured term loans, net		1,494,793	1,494,024
Unsecured notes, net		1,247,795	1,496,847
Accrued interest payable		23,438	22,148
Other liabilities		306,077	177,080
Accounts payable and accrued expenses		152,983	166,905
Deferred revenue		117,615	114,052
Lease liability - financing leases		174,983	44,448
Lease liability - operating leases		358,419	381,671
Dividend and distributions payable		25,486	79,282
Security deposits		56,212	62,252
Liabilities related to assets held for sale		0	0
Junior subordinated deferrable interest debentures held by trusts that issued trust preferred securities		100,000	100,000
Total liabilities	[2]	6,634,385	6,555,975
Commitments and contingencies
Limited partner interests in SLGOP (4,027 and 4,196 limited partner common units outstanding at September 30, 2020 and December 31, 2019, respectively)		353,480	409,862
Preferred units		202,169	283,285
Equity
Accumulated other comprehensive loss		(76,200)	(28,485)
SL Green stockholders equity:
Series I Preferred Units, $25.00 liquidation preference, 9,200 issued and outstanding at both September 30, 2020 and December 31, 2019		221,932	221,932
SL Green partners' capital (771 and 834 general partner common units and 72,269 and 78,368 limited partner common units outstanding at September 30, 2020 and December 31, 2019, respectively)		4,910,380	5,247,868
Total SLGOP partners' capital		5,056,112	5,441,315
Noncontrolling interests in other partnerships		77,893	75,883
Total capital		5,134,005	5,517,198
Total liabilities and equity/capital		12,324,039	12,766,320
SL Green Operating Partnership | Variable Interest Entity, Primary Beneficiary
Commercial real estate properties, at cost:
Land and land interests		375,900	205,200
Building and improvements		1,400,000	481,900
Building leasehold and improvements		2,000	2,000
Right of use asset - financing leases		61,700	61,700
Less: accumulated depreciation		(296,300)	(17,600)
Other assets		322,800	169,500
Liabilities
Mortgages and other loans payable, net		510,700	457,100
Accrued interest payable		1,100	1,200
Other liabilities		48,900	43,700
Lease liability - financing leases		$ 58,400	$ 57,700

[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: $375.9 million and $205.2 million of land, $1.4 billion and $481.9 million of building and improvements, $2.0 million and $2.0 million of building and leasehold improvements, $61.7 million and $61.7 million of right of use assets, $296.3 million and $17.6 million of accumulated depreciation, $322.8 million and $169.5 million of other assets included in other line items, $510.7 million and $457.1 million of real estate debt, net, $1.1 million and $1.2 million of accrued interest payable, $58.4 million and 57.7 million of lease liabilities, and $48.9 million and $43.7 million of other liabilities included in other line items as of September 30, 2020 and December 31, 2019, respectively.

[2] The Operating Partnership'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: 375.9 million and $205.2 million of land, $1.4 billion and $481.9 million of building and improvements, $2.0 million and $2.0 million of building and leasehold improvements, $61.7 million and $61.7 million of right of use assets, $296.3 million and $17.6 million of accumulated depreciation, $322.8 million and $169.5 million of other assets included in other line items, $510.7 million and $457.1 million of real estate debt, net, $1.1 million and $1.2 million of accrued interest payable, $58.4 million and $57.7 million of lease liabilities, and $48.9 million and $43.7 million of other liabilities included in other line items as of September 30, 2020 and December 31, 2019, respectively.