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Real Estate Owned (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Information Relating to Sale of Real Estate Owned [Abstract]    
Net gain on sale of real estate $ 0 $ 3,278
R. A. Bianco [Member] | Line of Credit [Member]    
Information regarding accrued interest expense on the loan payable [Abstract]    
Repayment of working capital loan plus accrued interest 2,623  
Commercial Office Building [Member]    
Information Relating to Sale of Real Estate Owned [Abstract]    
Gross sales price 5,200  
Less: Transactions costs (290)  
Net cash proceeds 4,910  
Less: Real estate carrying value, (net of accumulated depreciation) (1,632)  
Net gain on sale of real estate $ 3,278