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Loans - Summary of Loan Balances (Detail) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | --- | ---
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | $ 6,450,447 | $ 4,916,624 |  |
Total principal balance of loans owed, net of charge-offs | 6,496,210 | 4,946,653 |  |
Unamortized net deferred loan fees | (15,275) | (13,922) |  |
Discounts to principal balance of loans owed, net of charge-offs | (30,488) | (16,107) |  |
Allowance for credit losses | (105,680) | (85,376) | $ (91,847) | $ (30,616)
Commercial real estate |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 4,359,083 | 3,306,054 |  |
Allowance for credit losses | (61,381) | (51,140) | (53,693) | (11,995)
Consumer |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 1,240,743 | 1,071,551 |  |
Allowance for credit losses | (24,639) | (23,474) | (25,148) | (10,084)
Commercial and industrial |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 569,921 | 259,355 |  |
Allowance for credit losses | (13,597) | (3,862) | (4,252) | (4,867)
Construction |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 211,560 | 222,281 |  |
Allowance for credit losses | (5,142) | (5,667) | (7,540) | (3,388)
Agriculture production |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 61,414 | 50,811 |  |
Allowance for credit losses | (906) | (1,215) | (1,209) | (261)
Leases |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 7,726 | 6,572 |  |
Allowance for credit losses | (15) | (18) | (5) | (21)
CRE non-owner occupied | Commercial real estate |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 2,149,725 | 1,603,141 |  |
Allowance for credit losses | (30,962) | (25,739) | (29,380) | (5,948)
CRE owner occupied | Commercial real estate |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 984,807 | 706,307 |  |
Allowance for credit losses | (14,014) | (10,691) | (10,861) | (2,027)
Multifamily | Commercial real estate |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 944,537 | 823,500 |  |
Allowance for credit losses | (13,132) | (12,395) | (11,472) | (3,352)
Farmland | Commercial real estate |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 280,014 | 173,106 |  |
Allowance for credit losses | (3,273) | (2,315) | (1,980) | (668)
SFR 1-4 1st DT liens | Consumer |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 790,349 | 666,960 |  |
SFR HELOCs and junior liens | Consumer |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 393,666 | 337,513 |  |
Allowance for credit losses | (11,413) | (10,510) | (11,771) | (6,183)
Other | Consumer |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 56,728 | 67,078 |  |
Allowance for credit losses | $ (1,958) | $ (2,241) | $ (3,260) | $ (1,595)

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