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Real Estate (Held For Sale) (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
property
Dec. 31, 2018
USD ($)
property
Real Estate [Abstract]    
Number of properties classified as held for sale | property 7 10
Number of sold properties | property 3  
Land and improvements $ 4,996 $ 13,597
Building and improvements 6,511 32,658
Real estate held for sale, gross 11,507 46,255
Less accumulated depreciation and amortization (3,390) (10,088)
Less impairment (1,107) (14,250)
Real estate held for sale, net $ 7,010 $ 21,917