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Summary of Significant Accounting Policies -Impact of Adoption (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Jan. 01, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | --- | --- | ---
ASSETS |  |  |  |  |  |  |  |
Allowance for credit losses on loans |  | $ 23,744 | [1] |  | $ 15,588 | [1] | $ 16,903 | $ 18,113
Deferred tax asset |  | 4,669 |  |  | 3,267 |  |  |
Liabilities: |  |  |  |  |  |  |  |
Liability for unfunded commitments | [1] | 947 |  |  | 0 |  |  |
Shareholders' Equity |  |  |  |  |  |  |  |
Retained earnings |  | $ 76,464 |  |  | 91,789 |  |  |
Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |
Allowance for credit losses on loans |  |  |  | $ 5,793 | 5,793 |  |  |
Deferred tax asset |  |  |  | 1,483 |  |  |  |
Liabilities: |  |  |  |  |  |  |  |
Liability for unfunded commitments |  |  |  | 1,272 |  |  |  |
Shareholders' Equity |  |  |  |  |  |  |  |
Retained earnings |  |  |  | (5,581) |  |  |  |
Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |
Allowance for credit losses on loans |  |  |  | 21,381 | $ 21,381 |  |  |
Deferred tax asset |  |  |  | 4,750 |  |  |  |
Liabilities: |  |  |  |  |  |  |  |
Liability for unfunded commitments |  |  |  | 1,272 |  |  |  |
Shareholders' Equity |  |  |  |  |  |  |  |
Retained earnings |  |  |  | $ 86,208 |  |  |  |
[1] | December 31, 2023 amounts include the impacts of the January 1, 2023 adoption of ASU 2016-13. See Note 2 for details.

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