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Real Estate Properties - Schedule of Real Estate Properties (Including Properties Held For Sale) (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Real Estate [Abstract]    
Land $ 29,227 $ 29,227
Building 154,854 154,854
Building improvements 10,143 9,702
Real estate properties 194,224 193,783
Accumulated depreciation (27,464) (24,094)
Total real estate properties, net $ 166,760 $ 169,689