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Premises and Equipment - Narrative (Details) $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2024 USD ($) branchLocation | Dec. 31, 2024 USD ($) branchLocation | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Premises and equipment [Line Items] |  |  |  |
Depreciation expense |  | $ 3.8 | $ 4.6 | $ 4.4
Operating lease right-of-use asset | $ 26.9 | 26.9 | 12.9 |
Lease liabilities | $ 28.1 | $ 28.1 | $ 14.0 |
Operating lease, weighted average remaining lease term (in years) | 12 years 9 months 18 days | 12 years 9 months 18 days | 10 years 6 months |
Operating lease, weighted average discount rate, (as a percentage) | 5.90% | 5.90% | 3.10% |
Operating lease, liability, statement of financial position [Extensible Enumeration] | Accrued interest payable and other liabilities | Accrued interest payable and other liabilities | Accrued interest payable and other liabilities |
Operating lease, right-of-use asset, statement of financial position [Extensible Enumeration] | Accrued interest receivable and other assets | Accrued interest receivable and other assets | Accrued interest receivable and other assets |
December Sale-Leaseback Transaction |  |  |  |
Premises and equipment [Line Items] |  |  |  |
Purchase price of sale leaseback | $ 17.6 |  |  |
Number of branch locations | branchLocation | 4 | 4 |  |
Sale leaseback, initial lease term | 15 years |  |  |
Pre-tax gain on sale of assets |  | $ 11.8 |  |
Total lease liabilities and right-of-use assets | $ 15.5 | $ 15.5 |  |

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