Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Net income	$ 99,454	$ 45,795	$ 329,176	$ 62,734
Other comprehensive income (loss):
Change in net unrealized gain on derivative instruments, including SL Green's/SLGOP's share of joint venture net unrealized (loss) gain on derivative instruments	3,919	(217)	18,809	(3,812)
Change in unrealized gain (loss) on marketable securities	(32)	44	(39)	(4,443)
Other comprehensive income (loss)	3,887	(173)	18,770	(8,255)
Comprehensive income	103,341	45,622	347,946	54,479
Net (income) loss attributable to noncontrolling interests and preferred units distributions	(7,507)	(3,188)	(24,432)	6,921
Net income loss (income) attributable to noncontrolling interests	136	1,474	(234)	18,179
Other comprehensive (income) loss attributable to noncontrolling interests	(210)	4	(1,075)	303
Comprehensive income attributable to SL Green/SLGOP	95,624	42,438	322,439	61,703
SL Green Operating Partnership
Net income	99,454	45,795	329,176	62,734
Other comprehensive income (loss):
Change in net unrealized gain on derivative instruments, including SL Green's/SLGOP's share of joint venture net unrealized (loss) gain on derivative instruments	3,919	(217)	18,809	(3,812)
Change in unrealized gain (loss) on marketable securities	(32)	44	(39)	(4,443)
Other comprehensive income (loss)	3,887	(173)	18,770	(8,255)
Comprehensive income	103,341	45,622	347,946	54,479
Net income loss (income) attributable to noncontrolling interests	136	1,474	(234)	18,179
Other comprehensive (income) loss attributable to noncontrolling interests	(210)	4	(1,075)	303
Comprehensive income attributable to SL Green/SLGOP	$ 103,267	$ 47,100	$ 346,637	$ 72,961