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MORTGAGE LOANS RECEIVABLE (Details) - First Mortgage [Member]
12 Months Ended
Dec. 31, 2019
Dec. 31, 2020
Integer
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]    
Number of mortgage loans receivable 1  
Number of Mortgage Loans Repaid   1
Mortgage loan receivable, effective interest rate 5.15%  
Maturity date, mortgage loans receivable December 2022