Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net income	$ 73,594	$ 45,336	$ 480,538	$ 106,921
Other comprehensive income:
Change in net unrealized gain (loss) on derivative instruments, including share of joint venture net unrealized gain (loss) on derivative instruments	3,919	(1,165)	11,380	10,522
Change in unrealized (loss) gain on marketable securities	(506)	513	1,282	306
Other comprehensive income (loss)	3,413	(652)	12,662	10,828
Comprehensive income	77,007	44,684	493,200	117,749
Net income attributable to noncontrolling interests	(5,168)	(4,573)	(23,005)	(12,407)
Other comprehensive (income) loss attributable to noncontrolling interests	(113)	25	(347)	(490)
Comprehensive income attributable to SL Green	71,726	40,136	469,848	104,852
SL Green Operating Partnership
Net income	73,594	45,336	480,538	106,921
Other comprehensive income:
Change in net unrealized gain (loss) on derivative instruments, including share of joint venture net unrealized gain (loss) on derivative instruments	3,919	(1,165)	11,380	10,522
Change in unrealized (loss) gain on marketable securities	(506)	513	1,282	306
Other comprehensive income (loss)	3,413	(652)	12,662	10,828
Comprehensive income	77,007	44,684	493,200	117,749
Net income attributable to noncontrolling interests	(1,712)	(2,901)	(5,045)	(8,806)
Comprehensive income attributable to SL Green	$ 75,295	$ 41,783	$ 488,155	$ 108,943