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Regulatory Capital Requirements (Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations) (Details) $ in Thousands | Sep. 30, 2023 USD ($) | Jan. 01, 2023 USD ($) | Dec. 31, 2022 USD ($)
--- | --- | --- | ---
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |  |
Capital to Risk Weighted Assets | 0.1412 |  | 0.1437
Capital Required for Capital Adequacy to Risk Weighted Assets | 0.0800 |  |
Capital Required to be Well Capitalized to Risk Weighted Assets | 0.1000 |  |
Tier 1 Risk Based Capital to Risk Weighted Assets | 0.1288 |  | 0.1329
Tier 1 Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets | 0.0600 |  |
Tier 1 Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets | 0.0800 |  |
Common equity, Ratio | 0.1288 |  | 0.1329
Common equity, Required For Capital Adequacy Purposes, Ratio | 0.0450 |  |
Common equity, Required To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio | 0.0650 |  |
Tier 1 Leverage Capital to Average Assets | 0.0981 |  | 0.1001
Tier 1 Leverage Capital Required for Capital Adequacy to Average Assets | 0.0400 |  |
Tier 1 Leverage Capital Required to be Well Capitalized to Average Assets | 0.0500 |  |
Retained earnings | $ 173,467 | $ 149,638 | $ 166,343
Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |  |
Retained earnings |  | $ (2,200) |

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