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Loans - Summary of Loan Balances (Detail) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | --- | ---
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | $ 6,794,470 | $ 6,450,447 |  |
Total principal balance of loans owed, net of charge-offs | 6,834,935 | 6,496,210 |  |
Unamortized net deferred loan fees | (15,826) | (15,275) |  |
Discounts to principal balance of loans owed, net of charge-offs | (24,639) | (30,488) |  |
Allowance for credit losses | (121,522) | (105,680) | $ (85,376) | $ (91,847)
Commercial real estate |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 4,394,802 | 4,359,083 |  |
Allowance for credit losses | (68,864) | (61,381) | (51,140) | (53,693)
Consumer |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 1,313,268 | 1,240,743 |  |
Allowance for credit losses | (27,453) | (24,639) | (23,474) | (25,148)
Commercial and industrial |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 586,455 | 569,921 |  |
Allowance for credit losses | (12,750) | (13,597) | (3,862) | (4,252)
Construction |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 347,198 | 211,560 |  |
Allowance for credit losses | (8,856) | (5,142) | (5,667) | (7,540)
Agriculture production |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 144,497 | 61,414 |  |
Allowance for credit losses | (3,589) | (906) | (1,215) | (1,209)
Leases |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 8,250 | 7,726 |  |
Allowance for credit losses | (10) | (15) | (18) | (5)
CRE non-owner occupied | Commercial real estate |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 2,217,806 | 2,149,725 |  |
Allowance for credit losses | (35,077) | (30,962) | (25,739) | (29,380)
CRE owner occupied | Commercial real estate |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 956,440 | 984,807 |  |
Allowance for credit losses | (15,081) | (14,014) | (10,691) | (10,861)
Multifamily | Commercial real estate |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 949,502 | 944,537 |  |
Allowance for credit losses | (14,418) | (13,132) | (12,395) | (11,472)
Farmland | Commercial real estate |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 271,054 | 280,014 |  |
Allowance for credit losses | (4,288) | (3,273) | (2,315) | (1,980)
SFR 1-4 1st DT liens | Consumer |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 883,438 | 790,349 |  |
SFR HELOCs and junior liens | Consumer |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 356,813 | 393,666 |  |
Allowance for credit losses | (10,273) | (11,413) | (10,510) | (11,771)
Other | Consumer |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 73,017 | 56,728 |  |
Allowance for credit losses | $ (3,171) | $ (1,958) | $ (2,241) | $ (3,260)

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