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Investments in Unconsolidated Joint Ventures - Additional Information (Details) - USD ($) | Apr. 30, 2024 | Mar. 29, 2024 | Jan. 25, 2025 | Dec. 31, 2024 | Aug. 31, 2024 | Dec. 31, 2023
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Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Notes and mortgages payable |  |  |  | $ 3,692,050,000 |  | $ 3,817,050,000
60 Wall Street [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Percentage of ownership interest in joint venture |  | 5.00% |  | 5.00% |  |
Debt instrument modified and extended maturity date |  | 2029-05 |  |  |  |
60 Wall Street [Member] | Nonrecourse [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Notes and mortgages payable |  | $ 575,000,000 |  |  |  |
Debt instrument modified and extended maturity date |  | 2029-05 |  |  |  |
60 Wall Street [Member] | A-Note [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Notes and mortgages payable |  | $ 316,250,000 |  |  |  |
Fixed/Variable Rate |  | 2.45% |  |  |  |
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] |  | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] |  |  |  |
Debt instrument effective percentage |  | 4.00% |  |  |  |
60 Wall Street [Member] | B-Note [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Notes and mortgages payable |  | $ 258,750,000 |  |  |  |
Debt instrument effective percentage |  | 12.00% |  |  |  |
111 Sutter Street [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Percentage of ownership interest in joint venture | 49.00% |  |  | 49.00% |  |
Fixed/Variable Rate | 2.15% |  |  |  |  |
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] |  |  |  |  |
111 Sutter Street [Member] | Nonrecourse [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Notes and mortgages payable | $ 164,775,000 |  |  |  |  |
Debt instrument modified and extended maturity date | 2025-12 |  |  |  |  |
Market Center [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Percentage of ownership interest in joint venture |  |  |  | 67.00% | 67.00% | 67.00%
Market Center [Member] | Nonrecourse [Member] | Subsequent Event [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Non-recourse mortgage loan defaulted amount |  |  | $ 416,544,000 |  |  |

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