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Loans - Amortized cost basis of loans on nonaccrual status (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2024 | Dec. 31, 2023
Interest income on loans on nonaccrual status |  | $ 10,000 |
Reversal of interest income upon placing commercial loans on nonaccrual status | $ 1,000 | 9,000 |
Loans on nonaccrual status | 1,729,000 | 1,729,000 | $ 1,298,000
Commercial business |  |  |
Loans on nonaccrual status | 92,000 | 92,000 |
Residential mortgage |  |  |
Loans on nonaccrual status | 516,000 | 516,000 | 320,000
Equity lines |  |  |
Loans on nonaccrual status | 20,000 | 20,000 | 77,000
Other consumer |  |  |
Loans on nonaccrual status |  |  | 9,000
Consumer finance | Automobiles |  |  |
Loans on nonaccrual status | 1,008,000 | 1,008,000 | $ 892,000
Consumer finance | Marine and recreational vehicles |  |  |
Loans on nonaccrual status | $ 93,000 | $ 93,000 |

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