INVESTMENT IN UNCONSOLIDATED REAL ESTATE VENTURES - MAP Venture (Details) - MAP Venture $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) ft² property
Schedule of Equity Method Investments [Line Items]
Ground lease annual payments | $	$ 11.9
Ground lease annual rent expense increase percentage through November 2025	2.50%
Ground lease annual rent expense increase after November 2025	2.50%
Variable Interest Entity, Not Primary Beneficiary
Schedule of Equity Method Investments [Line Items]
Number of office properties owned | property	58
Rentable square feet | ft²	3,924,783