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Fair Value Unobservable Inputs (Details) - Fair Value, Measurements, Nonrecurring [Member] - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Impaired Loans [Member]    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Assets, Fair Value Disclosure   $ 157
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%
Other Real Estate Owned [Member]    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Assets, Fair Value Disclosure $ 303 $ 172
Other Real Estate Owned [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%
Mortgage Servicing Rights [Member]    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Assets, Fair Value Disclosure $ 1,355 $ 1,441
Mortgage Servicing Rights [Member] | Discounted Cash Flow, Prepayment Speed [Member]    
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]    
Unobservable Input, Weighted Average of Input Percent 10.10% 8.30%
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 10.00% 10.00%