Consolidated Statements of Operations (Partnership) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenues
Rental revenue, net	$ 185,945	$ 155,232	$ 380,987	$ 311,263
Investment income	9,103	20,407	18,160	40,295
Other income	26,022	25,806	45,498	37,851
Total revenues	221,070	201,445	444,645	389,409
Expenses
Operating expenses	46,957	39,557	99,021	82,140
Real estate taxes	39,885	30,819	81,268	61,566
Operating lease rent	6,655	6,477	12,956	13,041
Interest expense, net of interest income	40,621	14,960	82,274	30,030
Amortization of deferred financing costs	2,154	1,917	4,175	3,865
Depreciation and amortization	69,084	46,914	147,632	93,897
Loan loss and other investment reserves, net of recoveries	0	0	6,890	0
Transaction related costs	33	1	917	29
Marketing, general and administrative	22,974	23,522	46,259	48,298
Total expenses	228,363	164,167	481,392	332,866
Equity in net loss from unconsolidated joint ventures	(21,932)	(4,550)	(29,344)	(9,265)
Equity in net loss on sale of interest in unconsolidated joint venture/real estate	0	(131)	(79)	(131)
Purchase price and other fair value adjustments	(17,409)	(6,168)	(17,170)	(6,231)
Loss on sale of real estate, net	(26,678)	(64,378)	(28,329)	(65,380)
Depreciable real estate reserves and impairment	(305,916)	0	(305,916)	0
Net loss	(379,228)	(37,949)	(417,585)	(24,464)
Net loss (income) attributable to noncontrolling interests:
Noncontrolling interests in other partnerships	1,040	(3,404)	2,665	(3,261)
Preferred units distributions	(1,851)	(1,599)	(3,449)	(3,246)
Net loss attributable to SL Green	(356,457)	(40,139)	(392,450)	(28,650)
Perpetual preferred stock dividends	(3,737)	(3,737)	(7,475)	(7,475)
SL Green Operating Partnership
Revenues
Rental revenue, net	185,945	155,232	380,987	311,263
Investment income	9,103	20,407	18,160	40,295
Other income	26,022	25,806	45,498	37,851
Total revenues	221,070	201,445	444,645	389,409
Expenses
Operating expenses	46,957	39,557	99,021	82,140
Real estate taxes	39,885	30,819	81,268	61,566
Operating lease rent	6,655	6,477	12,956	13,041
Interest expense, net of interest income	40,621	14,960	82,274	30,030
Amortization of deferred financing costs	2,154	1,917	4,175	3,865
Depreciation and amortization	69,084	46,914	147,632	93,897
Loan loss and other investment reserves, net of recoveries	0	0	6,890	0
Transaction related costs	33	1	917	29
Marketing, general and administrative	22,974	23,522	46,259	48,298
Total expenses	228,363	164,167	481,392	332,866
Equity in net loss from unconsolidated joint ventures	(21,932)	(4,550)	(29,344)	(9,265)
Equity in net loss on sale of interest in unconsolidated joint venture/real estate	0	(131)	(79)	(131)
Purchase price and other fair value adjustments	(17,409)	(6,168)	(17,170)	(6,231)
Loss on sale of real estate, net	(26,678)	(64,378)	(28,329)	(65,380)
Depreciable real estate reserves and impairment	(305,916)	0	(305,916)	0
Net loss	(379,228)	(37,949)	(417,585)	(24,464)
Net loss (income) attributable to noncontrolling interests:
Noncontrolling interests in other partnerships	1,040	(3,404)	2,665	(3,261)
Preferred units distributions	(1,851)	(1,599)	(3,449)	(3,246)
Net loss attributable to SL Green	(380,039)	(42,952)	(418,369)	(30,971)
Perpetual preferred stock dividends	(3,737)	(3,737)	(7,475)	(7,475)
Net loss attributable to SLGOP common unitholders	$ (383,776)	$ (46,689)	$ (425,844)	$ (38,446)
Basic earnings per unit (in dollars per share)	$ (5.63)	$ (0.70)	$ (6.25)	$ (0.58)
Diluted earnings per unit (in dollars per share)	$ (5.63)	$ (0.70)	$ (6.25)	$ (0.58)
Basic weighted average common units outstanding (in shares)	68,341	67,900	68,263	68,099
Diluted weighted average common units and common unit equivalents outstanding (in shares)	68,341	69,020	68,263	69,422