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Summary of Significant Accounting Policies and Activities (Details) - USD ($)
1 Months Ended 12 Months Ended
Dec. 22, 2017
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Effect of Fourth Quarter Events [Line Items]        
Real estate loan percentage of total loan   82.80%    
Investment in trusts   $ 403,000    
Description of tax The Tax Act was signed into law and includes numerous provisions that impact the Company, most notably a reduction in the corporate tax rate from the maximum rate of 35% to a flat rate of 21%.      
Incremental income tax expense   (98,000) $ (124,000) $ (330,000)
Cash and cash equivalents   $ 6,000,000 $ 4,900,000  
Fourth Quarter [Member]        
Effect of Fourth Quarter Events [Line Items]        
Incremental income tax expense $ 2,400,000