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Fair Value Unobservable Inputs (Details) - Fair Value, Measurements, Nonrecurring [Member] - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Impaired Loans [Member] |  |
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items] |  |
Assets, Fair Value Disclosure | $ 319 | $ 99
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%
Mortgage Servicing Rights [Member] |  |
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items] |  |
Assets, Fair Value Disclosure | $ 1,330 | $ 1,299
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 | 0.207 | 0.116
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 | 0.182 | 0.112
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 | 0.364 | 0.224
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%
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 | 10.00% | 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 | 12.00% | 12.00%

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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