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Loans (Detail) - USD ($) $ in Thousands | Sep. 30, 2024 | Jun. 30, 2024 | Dec. 31, 2023 | Sep. 30, 2023 | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | --- | --- | --- | --- | ---
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Total | $ 6,683,891 |  | $ 6,794,470 |  |  |
Total principal balance of loans owed, net of charge-offs | 6,720,629 |  | 6,834,935 |  |  |
Unamortized net deferred loan fees | (15,298) |  | (15,826) |  |  |
Discounts to principal balance of loans owed, net of charge-offs | (21,440) |  | (24,639) |  |  |
Allowance for credit losses on loans | (123,760) | $ (123,517) | (121,522) | $ (115,812) | $ (117,329) | $ (105,680)
Commercial real estate |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Total | 4,487,524 |  | 4,394,802 |  |  |
Allowance for credit losses on loans | (71,339) | (73,032) | (68,864) | (66,675) | (71,016) | (61,381)
Consumer |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Total | 1,283,963 |  | 1,313,268 |  |  |
Allowance for credit losses on loans | (27,504) | (27,674) | (27,453) | (26,618) | (26,513) | (24,639)
Commercial and industrial |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Total | 484,763 |  | 586,455 |  |  |
Allowance for credit losses on loans | (14,453) | (12,128) | (12,750) | (12,290) | (11,647) | (13,597)
Construction |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Total | 276,095 |  | 347,198 |  |  |
Allowance for credit losses on loans | (7,119) | (7,466) | (8,856) | (8,097) | (7,031) | (5,142)
Agriculture production |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Total | 144,123 |  | 144,497 |  |  |
Allowance for credit losses on loans | (3,312) | (3,180) | (3,589) | (2,125) | (1,105) | (906)
Leases |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Total | 7,423 |  | 8,250 |  |  |
Allowance for credit losses on loans | (33) | (37) | (10) | (7) | (17) | (15)
CRE non-owner occupied | Commercial real estate |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Total | 2,251,705 |  | 2,217,806 |  |  |
Allowance for credit losses on loans | (36,206) | (37,155) | (35,077) | (33,723) | (33,042) | (30,962)
CRE owner occupied | Commercial real estate |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Total | 947,278 |  | 956,440 |  |  |
Allowance for credit losses on loans | (15,382) | (15,873) | (15,081) | (14,503) | (20,208) | (14,014)
Multifamily | Commercial real estate |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Total | 1,020,466 |  | 949,502 |  |  |
Allowance for credit losses on loans | (15,735) | (15,973) | (14,418) | (14,239) | (14,075) | (13,132)
Farmland | Commercial real estate |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Total | 268,075 |  | 271,054 |  |  |
Allowance for credit losses on loans | (4,016) | (4,031) | (4,288) | (4,210) | (3,691) | (3,273)
SFR 1-4 1st DT liens | Consumer |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Total | 865,756 |  | 883,438 |  |  |
Allowance for credit losses on loans | (14,366) | (14,604) | (14,009) | (13,535) | (13,134) | (11,268)
SFR HELOCs and junior liens | Consumer |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Total | 355,341 |  | 356,813 |  |  |
Allowance for credit losses on loans | (10,185) | (10,087) | (10,273) | (10,163) | (10,608) | (11,413)
Other | Consumer |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Total | 62,866 |  | 73,017 |  |  |
Allowance for credit losses on loans | $ (2,953) | $ (2,983) | $ (3,171) | $ (2,920) | $ (2,771) | $ (1,958)

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