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Fair Value of Financial Instruments and Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Recurring and Nonrecurring Basis (Details) - Nonrecurring - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Collateral dependent impaired loans | $ 628 | $ 521
Other real estate owned | 812 | 651
Total nonrecurring assets | 1,440 | 1,172
Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Collateral dependent impaired loans | 0 | 0
Other real estate owned | 0 | 0
Total nonrecurring assets | 0 | 0
Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Collateral dependent impaired loans | 0 | 0
Other real estate owned | 0 | 0
Total nonrecurring assets | 0 | 0
Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Collateral dependent impaired loans | 628 | 521
Other real estate owned | 812 | 651
Total nonrecurring assets | $ 1,440 | $ 1,172

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