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INVESTMENT IN UNCONSOLIDATED REAL ESTATE VENTURES - MAP, 3025 JFK Ventures and One Uptown - Office (Details) |  | 3 Months Ended | 9 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 29, 2023 USD ($) | Sep. 30, 2023 USD ($) ft² property extension | Sep. 30, 2023 USD ($) ft² property extension | Sep. 30, 2022 USD ($) | Dec. 31, 2023 USD ($) | Sep. 28, 2023 | Sep. 18, 2023 USD ($) | Jun. 30, 2023 USD ($) | Dec. 31, 2022 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |
Negative investment in real estate ventures |  | $ (592,948,000) | $ (592,948,000) |  |  |  |  |  | $ (532,224,000)
Derivative, notional amount |  | $ 250,000,000 | 250,000,000 |  |  |  |  |  | $ 250,000,000
Payments to acquire investment |  |  | $ 72,715,000 | $ 43,681,000 |  |  |  |  |
3025 JFK Venture |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |
Equity method investment, ownership percentage |  | 58.00% | 58.00% |  |  |  |  | 55.00% |
Payments to acquire investment |  | $ 6,700,000 |  |  |  |  |  |  |
3025 JFK Venture | Interest Rate Cap |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  |  |  |  | $ 148,000,000 |  |
Debt instrument, interest rate, stated percentage |  |  |  |  |  |  | 3.00% |  |
Debt instrument, maximum interest rate |  | 6.60% | 6.60% |  |  |  |  |  |
3025 JFK Venture | Interest Rate Cap | Forecast |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  |  | $ 187,000,000 |  |  |  |
3025 JFK Venture | Interest Rate Cap | Secured Overnight Financing Rate (SOFR) |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  | 3.60% | 3.60% |  |  |  |  |  |
One Uptown Office |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |
Equity method investment, ownership percentage | 54.00% |  |  |  |  | 50.00% |  |  |
Payments to acquire investment | $ 2,100,000 |  |  |  |  |  |  |  |
Investment in unconsolidated real estate ventures | $ 41,800,000 |  |  |  |  |  |  |  |
Variable Interest Entity, Not Primary Beneficiary | MAP Venture |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |
Number of office properties owned | property |  | 58 | 58 |  |  |  |  |  |
Rentable area (in square feet) | ft² |  | 3,924,783 | 3,924,783 |  |  |  |  |  |
Negative investment in real estate ventures |  |  |  |  |  |  |  | $ 45,100,000 |
Variable Interest Entity, Not Primary Beneficiary | MAP Venture | Secured fixed rate debt |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |
Number of extensions | extension |  | 2 | 2 |  |  |  |  |  |
Extension period |  |  | 2 months |  |  |  |  |  |
Capitalized financing costs |  | $ 180,400,000 | $ 180,400,000 |  |  |  |  |  |

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