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Adoption of Accounting Standards (Details) - USD ($) | Mar. 31, 2023 | Jan. 01, 2023 | Dec. 31, 2022 | Mar. 31, 2022 | Dec. 31, 2021
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New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Retained earnings | $ 65,306,000 |  | $ 65,486,000 |  |
Allowance for credit losses - Loans | 12,132,000 | $ 11,947,000 | $ 10,743,000 | $ 11,922,000 | $ 12,398,000
Held to maturity, allowance for credit losses | 83,000 | 114,000 |  |  |
Off-Balance-Sheet, credit loss liabilities |  | 923,000 |  |  |
ASU 2016-13 |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Retained earnings |  | 1,200,000 |  |  |
Amount of retained earnings related to loans |  | 951,000 |  |  |
Amount of retained earnings related to held to maturity debt securities |  | 90,000 |  |  |
Allowance for credit losses - Loans | 1,200,000 | 1,200,000 |  |  |
Held to maturity, allowance for credit losses | 114,000 | 114,000 |  |  |
ASU 2016-13 | Unfunded Loan Commitment |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Amount of retained earnings related to unfunded commitments |  | 140,000 |  |  |
Off-Balance-Sheet, credit loss liabilities | $ 177,000 | $ 177,000 |  |  |

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