Consolidated Statements of Comprehensive (Loss) Income (Partnership) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Net (loss) income	$ (37,949)	$ 117,134	$ (24,464)	$ 113,279
Other comprehensive loss:
Increase (decrease) in unrealized value of derivative instruments, including SLGOP's share of joint venture derivative instruments	17,323	(51,313)	60,890	(50)
(Decrease) increase in unrealized value of marketable securities	(454)	506	(2,247)	248
Other comprehensive income (loss)	16,869	(50,807)	58,643	198
Comprehensive (loss) income	(21,080)	66,327	34,179	113,477
Net (income) loss attributable to noncontrolling interests	(2,190)	(8,065)	(4,186)	(7,936)
Other comprehensive (income) loss attributable to noncontrolling interests	(1,013)	2,841	(3,290)	186
Comprehensive (loss) income attributable to SL Green	(24,283)	61,103	26,703	105,727
SL Green Operating Partnership
Net (loss) income	(37,949)	117,134	(24,464)	113,279
Other comprehensive loss:
Increase (decrease) in unrealized value of derivative instruments, including SLGOP's share of joint venture derivative instruments	17,323	(51,313)	60,890	(50)
(Decrease) increase in unrealized value of marketable securities	(454)	506	(2,247)	248
Other comprehensive income (loss)	16,869	(50,807)	58,643	198
Comprehensive (loss) income	(21,080)	66,327	34,179	113,477
Net (income) loss attributable to noncontrolling interests	(3,404)	40	(3,261)	1,539
Other comprehensive (income) loss attributable to noncontrolling interests	(1,013)	2,841	(3,290)	186
Comprehensive (loss) income attributable to SL Green	$ (25,497)	$ 69,208	$ 27,628	$ 115,202