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Investments in Unconsolidated Joint Ventures - Summary of Financial Information of Unconsolidated Joint Ventures (Parenthetical) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Sep. 30, 2023 | Jun. 30, 2023 | Dec. 31, 2022 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
111 Sutter Street [Member] |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Proportionate share of real estate impairment loss |  |  |  |  | $ 31,685 |  |  | $ 31,685
One Steuart Lane [Member] |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Impairment loss on for sale condominium units | $ 32,366 |  | $ 68,407 |  |  | $ 32,366 | $ 68,407 |
One Steuart Lane [Member] | Residential Development Fund's [Member] |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Proportionate share of impairment loss on for sale condominium units | 11,328 |  | $ 23,942 |  |  | 11,328 | 23,942 |
Market Center [Member] |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Proportionate share of real estate impairment loss |  | $ 229,054 |  |  |  |  | 229,054 |
55 Second Street [Member] |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Proportionate share of real estate impairment loss | $ 38,429 | $ 52,590 |  |  |  | 38,429 | 52,590 |
60 Wall Street [Member] |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Proportionate share of real estate impairment loss |  |  |  | $ 24,734 |  |  | 24,734 |
Unconsolidated Joint Ventures [Member] | 111 Sutter Street [Member] |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Proportionate share of real estate impairment loss |  |  |  |  |  |  |  | $ 31,685
Unconsolidated Joint Ventures [Member] | One Steuart Lane [Member] |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Impairment loss on for sale condominium units |  |  |  |  |  | 32,366 | 68,407 |
Unconsolidated Joint Ventures [Member] | One Steuart Lane [Member] | Residential Development Fund's [Member] |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Proportionate share of impairment loss on for sale condominium units |  |  |  |  |  | 11,328 | 23,942 |
Unconsolidated Joint Ventures [Member] | Market Center [Member] |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Proportionate share of real estate impairment loss |  |  |  |  |  |  | 148,906 |
Unconsolidated Joint Ventures [Member] | 55 Second Street [Member] |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Proportionate share of real estate impairment loss |  |  |  |  |  | $ 29,818 | 52,590 |
Unconsolidated Joint Ventures [Member] | 60 Wall Street [Member] |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Proportionate share of real estate impairment loss |  |  |  |  |  |  | $ 24,734 |

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