INVESTMENT IN UNCONSOLIDATED REAL ESTATE VENTURES - Hernadon Innovation Center Metro Portfolio Venture, LLC (Details) $ in Thousands	Mar. 31, 2024 USD ($) ft² property	Dec. 31, 2023 USD ($)
Schedule of Equity Method Investments [Line Items]
Area of real estate property \| ft²	13,011,094
Debt, net	$ 2,181,255	$ 2,138,832
Investment in real estate ventures	565,842	$ 552,494
Herndon Innovation Center Metro Portfolio Venture L L C \| Secured fixed rate debt
Schedule of Equity Method Investments [Line Items]
Debt, net	233,400
Investment in real estate ventures	$ 0
Herndon Innovation Center Metro Portfolio Venture L L C \| Metropolitan Washington, D.C. - Office
Schedule of Equity Method Investments [Line Items]
Number of properties contributed to joint venture \| property	8
Area of real estate property \| ft²	1,293,197
Herndon Innovation Center Metro Portfolio Venture L L C \| Metropolitan Washington, D.C. - Office \| Minimum
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	15.00%
Herndon Innovation Center Metro Portfolio Venture L L C \| Metropolitan Washington, D.C. - Office \| Maximum
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	85.00%

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Area of a real estate property.

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