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Loans - Schedule of Loans Outstanding by Portfolio Class (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Jun. 30, 2023 | Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | --- | --- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | $ 4,359,002 |  | $ 4,157,998 |  |  |
Allowance for credit losses | (49,699) | $ (49,976) | (50,464) | $ (51,369) | $ (52,350) | $ (54,286)
Net loans | 4,309,303 |  | 4,107,534 |  |  |
Commercial |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | 2,589,244 |  | 2,467,422 |  |  |
Allowance for credit losses | (29,472) | (30,354) | (32,445) | (33,806) | (34,802) | (40,775)
Commercial | Owner occupied real estate |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | 630,125 |  | 594,562 |  |  |
Commercial | Non–owner occupied real estate |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | 1,244,371 |  | 1,187,077 |  |  |
Commercial | Residential spec homes |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | 12,414 |  | 10,838 |  |  |
Commercial | Development & spec land |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | 29,146 |  | 27,358 |  |  |
Commercial | Commercial and industrial |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | 673,188 |  | 647,587 |  |  |
Real estate |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | 741,322 |  | 722,821 |  |  |
Allowance for credit losses | (2,794) | (3,648) | (5,577) | (5,137) | (4,422) | (3,856)
Real estate | Residential mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | 649,996 |  | 612,551 |  |  |
Real estate | Residential construction |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | 25,403 |  | 40,741 |  |  |
Real estate | Mortgage warehouse |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | 65,923 |  | 69,529 |  |  |
Consumer |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | 1,028,436 |  | 967,755 |  |  |
Allowance for credit losses | (16,719) | $ (15,081) | (11,422) | $ (11,402) | $ (12,059) | $ (8,596)
Consumer | Direct installment |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | 54,399 |  | 56,614 |  |  |
Consumer | Indirect installment |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | 439,922 |  | 500,549 |  |  |
Consumer | Home equity |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | $ 534,115 |  | $ 410,592 |  |  |

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