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Fair Value Unobservable Inputs (Details) - Fair Value, Measurements, Nonrecurring [Member] - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Impaired Loans [Member]    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Assets, Fair Value Disclosure $ 249 $ 319
Impaired Loans [Member] | Appraisal, Appraisal Discount [Member]    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Unobservable Input, Weighted Average of Input Percent 10.00% 10.00%
Impaired Loans [Member] | Appraisal, Appraisal Discount [Member] | Minimum    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Unobservable Input, Weighted Average of Input Percent 10.00% 10.00%
Impaired Loans [Member] | Appraisal, Appraisal Discount [Member] | Maximum    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Unobservable Input, Weighted Average of Input Percent 10.00% 10.00%
Other Real Estate Owned [Member]    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Assets, Fair Value Disclosure $ 374  
Other Real Estate Owned [Member] | Discounted Cash Flow, Discount Rate [Member]    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Unobservable Input, Weighted Average of Input Percent 55.00%  
Other Real Estate Owned [Member] | Discounted Cash Flow, Discount Rate [Member] | Minimum    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Unobservable Input, Weighted Average of Input Percent 55.00%  
Other Real Estate Owned [Member] | Discounted Cash Flow, Discount Rate [Member] | Maximum    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Unobservable Input, Weighted Average of Input Percent 55.00%  
Mortgage Servicing Rights [Member]    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Assets, Fair Value Disclosure $ 1,309 $ 1,330
Mortgage Servicing Rights [Member] | Discounted Cash Flow, Prepayment Speed [Member]    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Unobservable Inputs, Weighted Average Of Input Credit Spreads 0.133 0.207
Mortgage Servicing Rights [Member] | Discounted Cash Flow, Prepayment Speed [Member] | Minimum    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Unobservable Inputs, Weighted Average Of Input Credit Spreads 0.068 0.182
Mortgage Servicing Rights [Member] | Discounted Cash Flow, Prepayment Speed [Member] | Maximum    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Unobservable Inputs, Weighted Average Of Input Credit Spreads 0.165 0.364
Mortgage Servicing Rights [Member] | Discounted Cash Flow, Discount Rate [Member]    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Unobservable Input, Weighted Average of Input Percent 9.50% 10.00%
Mortgage Servicing Rights [Member] | Discounted Cash Flow, Discount Rate [Member] | Minimum    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Unobservable Input, Weighted Average of Input Percent 9.50% 10.00%
Mortgage Servicing Rights [Member] | Discounted Cash Flow, Discount Rate [Member] | Maximum    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Unobservable Input, Weighted Average of Input Percent 11.50% 12.00%