Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Operating expenses, paid to related parties	$ 20,071	$ 19,308	$ 19,152
SL Green Operating Partnership
Operating expenses, paid to related parties	$ 20,071	$ 19,308	$ 19,152