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Organization and Significant Accounting Policies (Details)
12 Months Ended
Dec. 31, 2022
USD ($)
segment
Dec. 31, 2021
USD ($)
Property, Plant and Equipment [Line Items]    
Minimum past due period after which accrual of interest is discontinued 90 days  
Loans charge off period, maximum 120 days  
Period of consecutive monthly loan payments for loan to return to accrual status 6 months  
Minimum required investment in Federal Home Loan Bank Stock $ 2,800,000 $ 1,000,000
Number of operating segments | segment 1  
Allowance for off-balance sheet credit commitments $ 336,000 405,000
Advertising costs $ 390,000 415,000
Minimum | Furniture and equipment    
Property, Plant and Equipment [Line Items]    
Useful life 1 year  
Maximum | Furniture and equipment    
Property, Plant and Equipment [Line Items]    
Useful life 10 years  
Maximum | Building    
Property, Plant and Equipment [Line Items]    
Useful life 39 years  
Core Deposits    
Property, Plant and Equipment [Line Items]    
Intangible asset $ 67,000 97,000
Remaining weighted average life 2 years 3 months 18 days  
Impairment loss on intangible assets $ 0 $ 0
Core Deposits | Minimum    
Property, Plant and Equipment [Line Items]    
Amortization period 8 years  
Core Deposits | Maximum    
Property, Plant and Equipment [Line Items]    
Amortization period 10 years