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Disclosures of Fair Values of Financial Instruments - Assets Measured at Fair Value on a Nonrecurring Basis (Details) - Fair Value, Nonrecurring - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Impaired Loans (Collateral Dependent) |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Assets, Fair Value Disclosure | $ 14,876 | $ 12,727
Foreclosed Assets Held-for-sale |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Assets, Fair Value Disclosure | 290 | 935
Mortgage Servicing Rights |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Assets, Fair Value Disclosure | 516 | 1,444
Quoted Prices in Active Markets for Identical Assets (Level 1) | Impaired Loans (Collateral Dependent) |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Assets, Fair Value Disclosure | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreclosed Assets Held-for-sale |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Assets, Fair Value Disclosure | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Mortgage Servicing Rights |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Assets, Fair Value Disclosure | 0 | 0
Significant Other Observable Inputs (Level 2) | Impaired Loans (Collateral Dependent) |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Assets, Fair Value Disclosure | 0 | 0
Significant Other Observable Inputs (Level 2) | Foreclosed Assets Held-for-sale |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Assets, Fair Value Disclosure | 0 | 0
Significant Other Observable Inputs (Level 2) | Mortgage Servicing Rights |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Assets, Fair Value Disclosure | 0 | 0
Significant Unobservable Inputs (Level 3) | Impaired Loans (Collateral Dependent) |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Assets, Fair Value Disclosure | 14,876 | 12,727
Significant Unobservable Inputs (Level 3) | Foreclosed Assets Held-for-sale |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Assets, Fair Value Disclosure | 290 | 935
Significant Unobservable Inputs (Level 3) | Mortgage Servicing Rights |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Assets, Fair Value Disclosure | $ 517 | $ 1,444

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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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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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