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Goodwill and Acquired Intangible Assets - Narrative (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Finite-Lived Intangible Assets [Line Items] |  |
Estimated amortization expense, next year | $ 19.9 |
Estimated amortization expense in two years | 16.4 |
Estimated amortization expense in three years | 13.0 |
Estimated amortization expense in four years | 9.3 |
Estimated amortization expense in five years | 6.1 |
Mortgage service rights retained from sale of SBA | $ 1.7 | $ 1.7
Customer Relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, useful life | 10 years |
Customer Relationships | Drummond Banking Company |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 2.6 |
Accumulated amortization | $ 0.6 |
Intangible assets, useful life | 10 years |

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