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Loans - Balance of Loans (Details) - USD ($) | Mar. 31, 2025 | Dec. 31, 2024 | Mar. 31, 2024 | Dec. 31, 2023
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Exclude accrued interest receivable from the amortized cost basis of loans | $ 8,280,000 | $ 8,270,000 |  |
Financing Receivable, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] | Loans Receivable Held-for-sale, Net, Not Part of Disposal Group | Loans Receivable Held-for-sale, Net, Not Part of Disposal Group |  |
Subtotal | $ 1,943,326,000 | $ 1,920,398,000 |  |
Less allowance for credit losses | (40,043,000) | (40,087,000) | $ (40,200,000) | $ (39,651,000)
Loans, net | 1,903,283,000 | 1,880,311,000 |  |
Commercial real estate |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 758,310,000 | 734,182,000 |  |
Commercial business |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 106,844,000 | 104,947,000 |  |
Construction - commercial real estate |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 121,140,000 | 132,717,000 |  |
Land acquisition and development |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 46,042,000 | 46,072,000 |  |
Builder lines |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 42,720,000 | 35,605,000 |  |
Construction - consumer real estate |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 21,188,000 | 18,799,000 |  |
Residential mortgage |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 308,549,000 | 308,809,000 |  |
Equity lines |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 66,440,000 | 62,204,000 |  |
Other consumer |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 9,957,000 | 10,270,000 |  |
Amount included related to demand deposit overdrafts | 220,000 | 255,000 |  |
Consumer finance |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 462,136,000 | 466,793,000 |  |
Less allowance for credit losses | (22,532,000) | (22,708,000) | $ (23,566,000) | $ (23,578,000)
Consumer finance | Automobiles |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 396,590,000 | 398,651,000 |  |
Consumer finance | Marine and recreational vehicles |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | $ 65,546,000 | $ 68,142,000 |  |

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