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Loans and Allowance for Loan Losses (Details) - USD ($)
9 Months Ended 12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Loans and Allowance for Loan Losses (Details) [Line Items]      
Principal amount outstanding of non-homogeneous loans $ 100,000    
Description of Impaired loans which included in groups of homogenous loans Impaired loans less than $100,000 are included in groups of homogenous loans.    
Sale of foreclosed assets $ 123,000 $ 445,000  
Commercial Real Estate [Member]      
Loans and Allowance for Loan Losses (Details) [Line Items]      
Sale of foreclosed assets $ 1,600,000   $ 2,000,000