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Real Estate Held for Sale - Schedule of Carrying Value and Fair Value of Real Estate Held for Sale (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Real Estate [Abstract]        
Building $ 720   $ 720  
Building improvements 276   276  
Land 380   380  
Estimated sales price     750  
Estimated cost to sell     (25)  
Estimated net proceeds     725  
Loss recognized on real estate assets held for sale $ 651 $ 651