REAL ESTATE - Additional Information (Details) ft² in Millions	Mar. 31, 2022 ft² property
Real Estate Properties [Line Items]
Rentable square feet | ft²	7.3
Percentage of portfolio occupied	84.10%
Office Properties
Real Estate Properties [Line Items]
Number of real estate properties	16
Mixed-use Office/Retail Property
Real Estate Properties [Line Items]
Number of real estate properties	1
Held for Investment | Office Properties
Real Estate Properties [Line Items]
Number of real estate properties	16
Held for Investment | Mixed-use Office/Retail Property
Real Estate Properties [Line Items]
Number of real estate properties	1