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REAL ESTATE PROPERTIES - Schedule of Real Estate Properties (Including Properties Held For Sale) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Real Estate [Abstract]    
Land $ 29,227 $ 35,112
Building 154,854 154,532
Building improvements 9,702 9,569
Real estate properties 193,783 199,213
Accumulated depreciation (24,094) (22,271)
Total real estate properties, net $ 169,689 $ 176,942