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Loans - Loans Outstanding by Portfolio Class (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | --- | --- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | $ 3,937,810 |  | $ 3,644,617 |  |  |
Allowance for credit losses | (52,350) | $ (52,508) | (54,286) | $ (55,655) | $ (57,186) | $ (57,027)
Net loans | 3,885,460 |  | 3,590,331 |  |  |
Commercial |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | 2,363,991 |  | 2,213,945 |  |  |
Allowance for credit losses | (34,802) | (37,789) | (40,775) | (41,772) | (42,980) | (42,210)
Commercial | Owner occupied real estate |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | 585,648 |  | 560,887 |  |  |
Commercial | Non–owner occupied real estate |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | 1,159,808 |  | 1,088,470 |  |  |
Commercial | Residential spec homes |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | 11,320 |  | 9,907 |  |  |
Commercial | Development & spec land |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | 24,913 |  | 24,473 |  |  |
Commercial | Commercial and industrial |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | 582,302 |  | 530,208 |  |  |
Real estate |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | 725,070 |  | 703,413 |  |  |
Allowance for credit losses | (4,422) | (4,351) | (3,856) | (4,108) | (4,229) | (4,620)
Real estate | Residential mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | 576,353 |  | 563,811 |  |  |
Real estate | Residential construction |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | 32,229 |  | 30,571 |  |  |
Real estate | Mortgage warehouse |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | 116,488 |  | 109,031 |  |  |
Consumer |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | 848,749 |  | 727,259 |  |  |
Allowance for credit losses | (12,059) | $ (9,313) | (8,596) | $ (8,620) | $ (8,814) | $ (8,930)
Consumer | Direct installment |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | 59,833 |  | 63,714 |  |  |
Consumer | Indirect installment |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | 466,267 |  | 372,575 |  |  |
Consumer | Home equity |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total loans | $ 322,649 |  | $ 290,970 |  |  |

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