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Mortgage Loan Servicing (Details Narrative) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
Loss on reserve for mortage loan $ 9,000    
Weighted Average [Member]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
Assumption for fair value of interests continued to be held by transferor servicing assets or liabilities weighted average default rate 1.35%   1.36%
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Write-down or Reserve, Amount $ 226,000   $ 235,000
Mortgage Loans Serviced [Member]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
Escrow deposit 10,000,000.0   5,800,000
Interest and Fee Income, Other Loans 431,000 $ 357,000  
Servicing asset at fair value, amount $ 6,000,000.0   $ 4,400,000
Mortgage Loans Serviced [Member] | Minimum [Member]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
Assumption for fair value of assets or liabilities that relate to transferor's continuing involvement, discount rate 8.65%   8.78%
Assumption for fair value of assets or liabilities that relate to transferor's continuing involvement, prepayment speed 6.00%   7.10%
Mortgage Loans Serviced [Member] | Maximum [Member]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
Assumption for fair value of assets or liabilities that relate to transferor's continuing involvement, discount rate 12.00%   12.00%
Assumption for fair value of assets or liabilities that relate to transferor's continuing involvement, prepayment speed 27.55%   29.61%