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INVESTMENT IN UNCONSOLIDATED REAL ESTATE VENTURES - Cira Square (Details) |  | 12 Months Ended |
--- | --- | --- | ---
Mar. 17, 2022 USD ($) ft² | Dec. 31, 2023 USD ($) ft² | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Jun. 02, 2023 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Area of real estate property | ft² |  | 13,011,094 |  |  |
Purchase price |  | $ 7,747,000 | $ 3,446,000 | $ 0 |
Secured fix rate debt |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Debt instrument, face amount |  |  |  |  | $ 220,000,000
Cira Square REIT, LLC |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Cost | $ 383,000,000 |  |  |  |
Equity method investment, ownership percentage | 20.00% |  |  |  |
Purchase price | $ 28,600,000 |  |  |  |
Interest rate, maximum | 6.75% |  |  |  |
Cira Square REIT, LLC | Secured Overnight Financing Rate (SOFR) |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Basis spread on interest rate (as percent) | 3.50% |  |  |  |
Cira Square REIT, LLC | Secured fix rate debt |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Debt instrument, face amount | $ 257,700,000 |  |  |  |
Office Properties | Cira Square REIT, LLC |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Area of real estate property | ft² | 862,692 |  |  |  |

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