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Fair Value Unobservable Inputs (Details) - Fair Value, Measurements, Nonrecurring [Member] - Carrying (Reported) Amount, Fair Value Disclosure [Member]
$ in Thousands
Jun. 30, 2017
USD ($)
Impaired Loans [Member]  
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]  
Assets, Fair Value Disclosure $ 1,959
Impaired Loans [Member] | Appraisal, Appraisal Discount [Member]  
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]  
Unobservable Input, Weighted Average of Input Percent 20.30%
Other Real Estate Owned [Member]  
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]  
Assets, Fair Value Disclosure $ 103
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 18.90%
Mortgage Servicing Rights [Member]  
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]  
Assets, Fair Value Disclosure $ 1,762
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 11.00%
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%