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Fair Value (Narrative) (Details) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Transfer of assets or liabilities measured at fair value between levels |  |  | $ 0 |  | $ 0
Fair value option, 90 days or more past due | $ 0 |  | 0 |  | 0
Write-downs of impaired collateral-dependent loans | 3,330,000 | $ 137,000 | 5,453,000 | $ 145,000 |
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Assets measured at fair value | 0 |  | 0 |  | 0
Liabilities measured at fair value | $ 0 |  | 0 |  | $ 0
Collateral-Dependent [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Write-downs of impaired collateral-dependent loans |  |  | $ 0 | $ 0 |

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