Consolidated Statements of Income (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Operating expenses, paid to related parties	$ 18,728	$ 17,274	$ 15,041
SL Green Operating Partnership
Operating expenses, paid to related parties	$ 18,728	$ 17,274	$ 16,266