SUBSEQUENT EVENTS (Details) - Subsequent Event [Member]	1 Months Ended
	Oct. 27, 2021 USD ($) ft² a basisPoints
Shopton Land | Development and value-add properties [Member]
Subsequent Event [Line Items]
Area of Real Estate Property | a	157.7
Acquisition price	$ 11,500,000
Number of buildings to be developed | basisPoints	7
Area of buildings, to be developed | ft²	1,107,000
Texas Avenue Land | Development and value-add properties [Member]
Subsequent Event [Line Items]
Area of Real Estate Property | a	8.8
Acquisition price	$ 4,000,000
Existing lease at time of acquisition, termination date	December 2022
Number of buildings to be developed | basisPoints	2
Area of buildings, to be developed | ft²	129,000
Mortgage loan repaid in October 2021
Subsequent Event [Line Items]
Secured debt, carrying amount repaid	$ 33,100,000
Fixed interest rate	4.09%
Debt Instrument, Maturity Date, Description	January 5, 2022