Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Net income	$ 278,911	$ 317,459	$ 545,863
Other comprehensive income (loss):
Change in net unrealized (loss) gain on derivative instruments, including SL Green's/SLGOP's share of joint venture net unrealized (loss) gain on derivative instruments	28,508	(1,229)	10,643
Change in unrealized gain (loss) on marketable securities	3,677	(607)	(2,237)
Other comprehensive income (loss)	32,185	(1,836)	8,406
Comprehensive income	311,096	315,623	554,269
Net income attributable to noncontrolling interests and preferred units distributions	(29,015)	(33,375)	(27,807)
Net income attributable to noncontrolling interests	7,644	15,843	6,590
Other comprehensive income (loss) attributable to noncontrolling interests	(1,299)	67	(175)
Comprehensive income attributable to SL Green/SLGOP	280,782	282,315	526,287
SL Green Operating Partnership
Net income	278,911	317,459	545,863
Other comprehensive income (loss):
Change in net unrealized (loss) gain on derivative instruments, including SL Green's/SLGOP's share of joint venture net unrealized (loss) gain on derivative instruments	28,508	(1,229)	10,643
Change in unrealized gain (loss) on marketable securities	3,677	(607)	(2,237)
Other comprehensive income (loss)	32,185	(1,836)	8,406
Comprehensive income	311,096	315,623	554,269
Net income attributable to noncontrolling interests	7,644	15,843	6,590
Other comprehensive income (loss) attributable to noncontrolling interests	(1,299)	67	(175)
Comprehensive income attributable to SL Green/SLGOP	$ 302,153	$ 299,847	$ 547,504