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Fair Values of Financial Instruments - Valuation Methodologies Used for Instruments Measured at Fair Value on Non-Recurring Basis (Details) - Non-recurring - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Quoted Prices in Active Markets for Identical Assets (Level 1) | Collateral dependent loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Asset fair value | $ 0 | $ 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Other real estate owned |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Asset fair value | 0 | 0
Significant Other Observable Inputs (Level 2) | Collateral dependent loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Asset fair value | 0 | 0
Significant Other Observable Inputs (Level 2) | Other real estate owned |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Asset fair value | 0 | 0
Significant Unobservable Inputs (Level 3) | Collateral dependent loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Asset fair value | 24,491 | 37,250
Significant Unobservable Inputs (Level 3) | Other real estate owned |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Asset fair value | 96 | 544
Fair Value | Collateral dependent loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Asset fair value | 24,491 | 37,250
Fair Value | Other real estate owned |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Asset fair value | $ 96 | $ 544

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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=123874694&loc=d3e19207-110258 + Details
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