INVESTMENTS IN REAL ESTATE - Acquisitions (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) ft²	Dec. 31, 2020 USD ($) ft²
1037 North Sycamore, Los Angeles, CA
Business Acquisition [Line Items]
Square Feet | ft²	4,900
Purchase price	$ 2,900
Transaction costs, capitalized	$ 33
1021 East 7th Street, Austin, TX
Business Acquisition [Line Items]
Square Feet | ft²		11,180
Purchase price		$ 6,079
Transaction costs, capitalized		$ 51