Fair Value Unobservable Inputs (Details) - Fair Value, Measurements, Nonrecurring [Member] - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Impaired Loans [Member]
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items]
Assets, Fair Value Disclosure	$ 329	$ 99
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	$ 1,271	$ 1,299
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	14.70%
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	18.40%
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	16.80%	11.60%
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	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	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	10.00%	10.00%