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Investments in Unconsolidated Joint Ventures - Schedule of Investments in Unconsolidated Joint Ventures Sold (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
May 31, 2024 | Jan. 31, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Loss on Sale |  |  | $ (8,129) |  | $ 0 | $ 18,635 | $ (79)
Employee-related liabilities |  |  | 7,800 |  |  | 7,800 |
Depreciable real estate reserves and impairment |  |  | $ (13,721) |  | $ (305,916) | $ (65,839) | $ (305,916)
625 Madison Avenue |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Depreciable real estate reserves and impairment |  |  |  | $ 5,900 |  |  |
717 Fifth Avenue | Joint venture | Wharton Properties |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Ownership Interest Sold |  | 10.92% |  |  |  |  |
Gross Asset Valuation |  | $ 963,000 |  |  |  |  |
Loss on Sale |  | $ 24,900 |  |  |  |  |
625 Madison Avenue | Joint venture | Wharton Properties |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Ownership Interest Sold | 90.43% |  |  |  |  |  |
Gross Asset Valuation | $ 634,600 |  |  |  |  |  |
Loss on Sale | $ (7,600) |  |  |  |  |  |

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