Consolidated Statements of Operations (Partnership) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Expenses
Payments made for services	$ 57,673	$ 49,507	$ 164,840	$ 139,448
Related party
Expenses
Payments made for services	6	0	9	2
SL Green Operating Partnership
Expenses
Payments made for services	57,673	49,507	164,840	139,448
SL Green Operating Partnership | Related party
Expenses
Payments made for services	$ 6	$ 0	$ 9	$ 2