v3.26.1
Noncontrolling Interests on the Company's Consolidated Financial Statements - Additional Information (Details) - SL Green Operating Partnership - shares
Jun. 30, 2026
Dec. 31, 2025
Organization    
Number of units of operating partnership owned by the noncontrolling interest unit holders (units) 5,547,004 4,877,891
Operating Partnership    
Organization    
Noncontrolling interest in the operating partnership (as a percent) 7.26% 6.42%