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Commitments and Contingencies - Narrative (Details) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Commitment and Contingencies |  |  |  |  |
Provision for (release of) credit losses - unfunded commitments | $ 355,000 | $ (2,374,000) | $ (517,000) | $ (2,597,000) |
Unfunded loan commitment |  |  |  |  |
Commitment and Contingencies |  |  |  |  |
Provision for (release of) credit losses - unfunded commitments |  |  | 2,700,000 |  | $ 3,200,000
Standby letters |  |  |  |  |
Commitment and Contingencies |  |  |  |  |
Loss contingency accrual | $ 5,600,000 |  | $ 5,600,000 |  | $ 6,000,000

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