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Nature of Business and Significant Accounting Policies (Details)
12 Months Ended
Dec. 31, 2021
USD ($)
location
Dec. 31, 2020
USD ($)
Nature Of Business And Significant Accounting Policies [Line Items]    
Number of branches | location 15  
Number of representative offices | location 2  
Percentage of credit extension 80.00%  
Threshold percentage for loan amount against the original appraised value of the property 90.00%  
Threshold percentage for private mortgage insurance required for that portion of loan 80.00%  
Amount of consumer mortgages and loans secured by residential real estate properties in process of foreclosure $ 935,000 $ 636,000
Amortization method purchased customer accounts straight-line basis  
Real Estate Acquired Through Foreclosure   139,000
Useful life of purchased customer accounts 13 years  
Uncertain tax positions $ 0 0
Commercial real estate    
Nature Of Business And Significant Accounting Policies [Line Items]    
Real Estate Acquired Through Foreclosure   $ 139,000