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Fair Value Measurements - Assets Recognized in Consolidated Balance Sheets Measured at Fair Value on Recurring Basis (Details) - Recurring basis - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
U.S. government agencies |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis |  |
Fair Value | $ 43,645 | $ 44,032
Subordinated Notes |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis |  |
Fair Value | 24,038 | 28,094
State and municipal obligations |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis |  |
Fair Value | 156,996 | 145,498
Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. government agencies |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis |  |
Fair Value | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Subordinated Notes |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis |  |
Fair Value | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | State and municipal obligations |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis |  |
Fair Value | 0 | 0
Significant Other Observable Inputs (Level 2) | U.S. government agencies |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis |  |
Fair Value | 43,645 | 44,032
Significant Other Observable Inputs (Level 2) | Subordinated Notes |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis |  |
Fair Value | 24,038 | 28,094
Significant Other Observable Inputs (Level 2) | State and municipal obligations |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis |  |
Fair Value | 156,996 | 145,498
Significant Unobservable Inputs (Level 3) | U.S. government agencies |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis |  |
Fair Value | 0 | 0
Significant Unobservable Inputs (Level 3) | Subordinated Notes |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis |  |
Fair Value | 0 | 0
Significant Unobservable Inputs (Level 3) | State and municipal obligations |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis |  |
Fair Value | $ 0 | $ 0

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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 -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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