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FAIR VALUE MEASUREMENTS (Details) - USD ($)
Mar. 31, 2020
Dec. 31, 2019
Mortgage Notes Payable    
Carrying Amount $ 284,905,564 $ 281,771,246
Estimated Fair Value 297,585,801 290,892,652
Partially owned properties    
Mortgage Notes Payable    
Carrying Amount 166,380,940 166,404,255
Estimated Fair Value $ 176,109,904 $ 169,988,236