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Fair Value Unobservable Inputs (Details) - Fair Value, Measurements, Nonrecurring [Member] - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Impaired Loans [Member]    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Assets, Fair Value Disclosure $ 296 $ 319
Impaired Loans [Member] | Appraisal, Appraisal Discount [Member] | Minimum    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Unobservable Input, Input Percent   10.00%
Impaired Loans [Member] | Appraisal, Appraisal Discount [Member] | Maximum    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Unobservable Input, Input Percent   10.00%
Impaired Loans [Member] | Appraisal, Appraisal Discount [Member] | Weighted Average    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Unobservable Input, Input Percent   10.00%
Impaired Loans [Member] | Discounted Cash Flow, Discount Rate [Member] | Minimum    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Unobservable Input, Input Percent 10.00%  
Impaired Loans [Member] | Discounted Cash Flow, Discount Rate [Member] | Maximum    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Unobservable Input, Input Percent 10.00%  
Impaired Loans [Member] | Discounted Cash Flow, Discount Rate [Member] | Weighted Average    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Unobservable Input, Input Percent 10.00%  
Mortgage Servicing Rights [Member]    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Assets, Fair Value Disclosure $ 1,360 $ 1,330
Mortgage Servicing Rights [Member] | Discounted Cash Flow, Prepayment Speed [Member] | Minimum    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Unobservable Input, Input Percent 7.70% 18.20%
Mortgage Servicing Rights [Member] | Discounted Cash Flow, Prepayment Speed [Member] | Maximum    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Unobservable Input, Input Percent 15.70% 36.40%
Mortgage Servicing Rights [Member] | Discounted Cash Flow, Prepayment Speed [Member] | Weighted Average    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Unobservable Input, Input Percent 15.10% 20.70%
Mortgage Servicing Rights [Member] | Discounted Cash Flow, Discount Rate [Member] | Minimum    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Unobservable Input, 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, Input Percent 11.50% 12.00%
Mortgage Servicing Rights [Member] | Discounted Cash Flow, Discount Rate [Member] | Weighted Average    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Unobservable Input, Input Percent 9.50% 10.00%