Consolidated Statements of Operations (Partnership) (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Payments made for services	$ 226,099	$ 189,598	$ 196,696
Loss from debt fund investments, net	(1,446)	0	0
Related party
Payments made for services	9	7	5
SL Green Operating Partnership
Payments made for services	226,099	189,598	196,696
Loss from debt fund investments, net	(1,446)	0	0
SL Green Operating Partnership | Related party
Payments made for services	$ 9	$ 7	$ 5