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Summary of Significant Accounting Policies (Details) - USD ($)
$ in Thousands
12 Months Ended
Jan. 27, 2022
Jan. 23, 2020
Dec. 31, 2021
Dec. 31, 2020
Loans [Abstract]        
Contractually past due period for delinquent loans     90 days  
Other Real Estate Owned [Abstract]        
Other real estate owned     $ 0 $ 0
Impairment of Long-Lived Assets and Long-Lived Assets to Be Disposed Of [Abstract]        
Identifiable intangible assets     $ 0  
Key assumptions used in measuring the fair value of mortgage servicing rights [Abstract]        
Constant prepayment rate     15.73% 20.22%
Discount rate     9.50% 10.00%
Weighted average life     4 years 11 months 12 days 3 years 11 months 15 days
Advertising Costs [Abstract]        
Advertising costs     $ 382 $ 418
Risk Rating of 5 (Special Mention) or Worse [Member]        
Allowance for Loan Losses [Abstract]        
Threshold aggregate exposure for loan to be reviewed for impairment     $ 500  
Minimum [Member]        
Allowance for Loan Losses [Abstract]        
Past due period after which a loan is charged off     90 days  
Buildings and Improvements [Member] | Minimum [Member]        
Premises and Equipment [Abstract]        
Useful lives used in computing depreciation     15 years  
Buildings and Improvements [Member] | Maximum [Member]        
Premises and Equipment [Abstract]        
Useful lives used in computing depreciation     50 years  
Furniture and Equipment [Member] | Minimum [Member]        
Premises and Equipment [Abstract]        
Useful lives used in computing depreciation     3 years  
Furniture and Equipment [Member] | Maximum [Member]        
Premises and Equipment [Abstract]        
Useful lives used in computing depreciation     10 years  
CARES Act [Member] | Minimum [Member]        
Impact of Recently Issued Accounting Standards [Abstract]        
Term of payment deferrals     3 months  
CARES Act [Member] | Maximum [Member]        
Impact of Recently Issued Accounting Standards [Abstract]        
Term of payment deferrals     6 months  
Consumer Loans [Member]        
Allowance for Loan Losses [Abstract]        
Period of delinquency after which a loan is charged off     90 days  
Dividend Declared in 2021 Annual [Member]        
Stock Dividend [Abstract]        
Dividends, date declared     Jan. 27, 2021  
Stock dividend percentage   5.00%    
Stock dividend (in shares)   650,542    
Dividend paid date     Mar. 25, 2021  
Dividends payable, date of record     Feb. 26, 2021  
Dividend Declared in 2022 Annual [Member] | Subsequent Event [Member]        
Stock Dividend [Abstract]        
Dividends, date declared Jan. 27, 2022      
Stock dividend percentage 5.00%      
Stock dividend (in shares) 659,471      
Dividend paid date Mar. 25, 2022      
Dividends payable, date of record Feb. 28, 2022