Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenues
Rental revenue, net	$ 150,991	$ 162,952	$ 531,978	$ 474,215
Investment income	9,689	29,513	27,849	69,808
Other income	12,540	19,991	58,038	57,842
Total revenues	173,220	212,456	617,865	601,865
Expenses
Operating expenses, including related party expenses of $2 and $3 in 2023, and $0 and $5,695 in 2022	49,585	45,011	148,606	127,151
Real estate taxes	31,195	35,111	112,463	96,677
Operating lease rent	7,253	7,388	20,209	20,429
Interest expense, net of interest income	27,440	21,824	109,714	51,854
Amortization of deferred financing costs	2,152	2,043	6,327	5,908
Depreciation and amortization	50,212	48,462	197,844	142,359
Loan loss and other investment reserves, net of recoveries	0	0	6,890	0
Transaction related costs	166	292	1,083	321
Marketing, general and administrative	22,873	21,276	69,132	69,574
Total expenses	190,876	181,407	672,268	514,273
Equity in net loss from unconsolidated joint ventures	(15,126)	(21,997)	(44,470)	(31,262)
Equity in net loss on sale of interest in unconsolidated joint venture/real estate	0	0	(79)	(131)
Purchase price and other fair value adjustments	10,183	(1,117)	(6,987)	(7,348)
Gain (loss) on sale of real estate, net	516	4,276	(27,813)	(61,104)
Depreciable real estate reserves and impairment	389	0	(305,527)	0
Net (loss) income	(21,694)	12,211	(439,279)	(12,253)
Net loss (income) attributable to noncontrolling interests:
Noncontrolling interests in the Operating Partnership	1,574	(491)	27,493	1,831
Noncontrolling interests in other partnerships	1,794	993	4,459	(2,269)
Preferred units distributions	(1,903)	(1,598)	(5,352)	(4,844)
Net (loss) income attributable to SL Green	(20,229)	11,115	(412,679)	(17,535)
Perpetual preferred stock dividends	(3,738)	(3,738)	(11,213)	(11,213)
Net (loss) income attributable to SL Green common stockholders, basic	$ (23,967)	$ 7,377	$ (423,892)	$ (28,748)
Basic (loss) earnings per share (in dollars per share)	$ (0.38)	$ 0.11	$ (6.63)	$ (0.47)
Diluted (loss) earnings per share (in dollars per share)	$ (0.38)	$ 0.11	$ (6.63)	$ (0.47)
Basic weighted average common shares outstanding (in shares)	64,114	63,949	64,099	63,971
Diluted weighted average common shares and common share equivalents outstanding (in shares)	68,296	68,897	68,274	69,249