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INVESTMENT IN UNCONSOLIDATED REAL ESTATE VENTURES - MAP Venture (Details) $ in Thousands | Jun. 30, 2023 USD ($) ft² property | Dec. 31, 2022 USD ($)
--- | --- | ---
Schedule of Equity Method Investments [Line Items] |  |
Negative investment in real estate ventures | $ 589,195 | $ 532,224
Variable Interest Entity, Not Primary Beneficiary | MAP Venture |  |
Schedule of Equity Method Investments [Line Items] |  |
Number of office properties owned | property | 58 |
Rentable area (in square feet) | ft² | 3,924,783 |
Number of properties subject to ground leases | property | 58 |
Negative investment in real estate ventures | $ 41,300 |
Variable Interest Entity, Not Primary Beneficiary | MAP Venture | Secured fixed rate debt |  |
Schedule of Equity Method Investments [Line Items] |  |
Capitalized financing costs | $ 181,000 |

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