Consolidated Statements of Operations (Partnership) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Expenses
Operating expenses	$ 49,585	$ 45,011	$ 148,606	$ 127,151
Related Party
Expenses
Operating expenses	2	0	3	5,695
SL Green Operating Partnership
Expenses
Operating expenses	49,585	45,011	148,606	127,151
SL Green Operating Partnership | Related Party
Expenses
Operating expenses	$ 2	$ 0	$ 3	$ 5,695