Organization and Basis of Presentation - Additional Information (Details) ft² in Millions |
6 Months Ended | |
|---|---|---|
|
Jun. 30, 2026
ft²
building
shares
|
Dec. 31, 2025 |
|
| Organization | ||
| Number of shares to be received on redemption of one unit of limited partnership interests (shares) | shares | 1 | |
| Office Building | ||
| Organization | ||
| Number of buildings | building | 4 | |
| Managed Office Properties | ||
| Organization | ||
| Unaudited Approximate Square Feet | ft² | 0.9 | |
| Operating Partnership | SL Green Operating Partnership | ||
| Organization | ||
| Noncontrolling interest in the operating partnership (as a percent) | 7.26% | 6.42% |