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Loans - Classes of Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | $ 1,742,139 | $ 1,635,718 |  |
Less allowance for credit losses | (39,651) | (40,518) | $ (40,157) | $ (39,156)
Loans, net | 1,702,488 | 1,595,200 |  |
Commercial real estate |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 668,122 | 592,301 |  |
Commercial business |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 115,348 | 118,605 |  |
Construction - commercial real estate |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 69,768 | 49,136 |  |
Land acquisition and development |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 29,064 | 37,537 |  |
Builder lines |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 24,668 | 34,538 |  |
Construction - consumer real estate |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 11,223 | 10,539 |  |
Residential mortgage |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 293,256 | 266,267 |  |
Less allowance for credit losses |  | (2,622) | (2,660) | (2,914)
Equity lines |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 51,592 | 43,300 |  |
Less allowance for credit losses |  | (497) | (593) | (687)
Other consumer |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 10,588 | 8,938 |  |
Amount included related to demand deposit overdrafts | 228 | 284 |  |
Consumer finance |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 468,510 |  |  |
Less allowance for credit losses | (23,578) | (25,969) | $ (24,791) | $ (23,513)
Consumer finance | Automobiles |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | 401,276 | 411,112 |  |
Consumer finance | Marine and recreational vehicles |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Subtotal | $ 67,234 | $ 63,445 |  |

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