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Loans - Classes of Loans (Details) - USD ($) | Jun. 30, 2024 | Dec. 31, 2023 | Jun. 30, 2023 | Dec. 31, 2022
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Exclude accrued interest receivable from the amortized cost basis of loans | $ 8,030,000.00 | $ 7,650,000 |  |
Subtotal | 1,865,176,000 | 1,742,139,000 |  |
Less allowance for credit losses | (40,343,000) | (39,651,000) | $ (40,528,000) | $ (40,518,000)
Loans, net | 1,824,833,000 | 1,702,488,000 |  |
Commercial real estate |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 701,460,000 | 668,122,000 |  |
Commercial business |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 119,020,000 | 115,348,000 |  |
Construction - commercial real estate |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 120,208,000 | 69,768,000 |  |
Land acquisition and development |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 31,355,000 | 29,064,000 |  |
Builder lines |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 21,727,000 | 24,668,000 |  |
Construction - consumer real estate |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 16,481,000 | 11,223,000 |  |
Residential mortgage |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 308,790,000 | 293,256,000 |  |
Equity lines |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 56,835,000 | 51,592,000 |  |
Other consumer |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 10,956,000 | 10,588,000 |  |
Amount included related to demand deposit overdrafts | 214,000 | 228,000 |  |
Consumer finance |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 478,344,000 | 468,510,000 |  |
Less allowance for credit losses | (23,423,000) | (23,578,000) | $ (25,187,000) | $ (25,969,000)
Consumer finance | Automobiles |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 406,833,000 | 401,276,000 |  |
Consumer finance | Marine and recreational vehicles |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | $ 71,511,000 | $ 67,234,000 |  |

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