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Allowance for Credit Losses - Analysis of Past Due and Nonaccrual Loans (Detail) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Loans | $ 7,006,824 | $ 6,768,523
Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 4,793,394 | 4,577,632
Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,293,909 | 1,281,059
Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 453,221 | 471,271
Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 298,774 | 279,933
Agriculture production |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 162,338 | 151,822
Leases |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 5,188 | 6,806
CRE non-owner occupied | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 2,449,676 | 2,323,036
CRE owner occupied | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,037,517 | 961,415
Multifamily | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,048,144 | 1,028,035
Farmland | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 258,057 | 265,146
SFR 1-4 1st DT liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 848,696 | 859,660
SFR HELOCs and junior liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 402,084 | 363,420
Other | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 43,129 | 57,979
Financial Asset Originated |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 7,006,824 | 6,768,523
Financial Asset Originated | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 4,793,394 | 4,577,632
Financial Asset Originated | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,293,909 | 1,281,059
Financial Asset Originated | Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 453,221 | 471,271
Financial Asset Originated | Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 298,774 | 279,933
Financial Asset Originated | Agriculture production |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 162,338 | 151,822
Financial Asset Originated | Leases |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 5,188 | 6,806
Financial Asset Originated | CRE non-owner occupied | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 2,449,676 | 2,323,036
Financial Asset Originated | CRE owner occupied | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,037,517 | 961,415
Financial Asset Originated | Multifamily | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,048,144 | 1,028,035
Financial Asset Originated | Farmland | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 258,057 | 265,146
Financial Asset Originated | SFR 1-4 1st DT liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 848,696 | 859,660
Financial Asset Originated | SFR HELOCs and junior liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 402,084 | 363,420
Financial Asset Originated | Other | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 43,129 | 57,979
Total Past Due Loans | Financial Asset Originated |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 45,712 | 32,711
Total Past Due Loans | Financial Asset Originated | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 29,065 | 18,066
Total Past Due Loans | Financial Asset Originated | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 11,129 | 3,875
Total Past Due Loans | Financial Asset Originated | Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 3,010 | 10,102
Total Past Due Loans | Financial Asset Originated | Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,863 | 0
Total Past Due Loans | Financial Asset Originated | Agriculture production |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 645 | 668
Total Past Due Loans | Financial Asset Originated | Leases |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 0 | 0
Total Past Due Loans | Financial Asset Originated | CRE non-owner occupied | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 4,729 | 2,673
Total Past Due Loans | Financial Asset Originated | CRE owner occupied | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 3,651 | 5,329
Total Past Due Loans | Financial Asset Originated | Multifamily | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 168 | 1,120
Total Past Due Loans | Financial Asset Originated | Farmland | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 20,517 | 8,944
Total Past Due Loans | Financial Asset Originated | SFR 1-4 1st DT liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 3,127 | 1,562
Total Past Due Loans | Financial Asset Originated | SFR HELOCs and junior liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 7,434 | 2,131
Total Past Due Loans | Financial Asset Originated | Other | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 568 | 182
30-59 days | Financial Asset Originated |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 7,454 | 6,477
30-59 days | Financial Asset Originated | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,525 | 5,652
30-59 days | Financial Asset Originated | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 4,998 | 251
30-59 days | Financial Asset Originated | Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 829 | 537
30-59 days | Financial Asset Originated | Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 0 | 0
30-59 days | Financial Asset Originated | Agriculture production |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 102 | 37
30-59 days | Financial Asset Originated | Leases |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 0 | 0
30-59 days | Financial Asset Originated | CRE non-owner occupied | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 0 | 221
30-59 days | Financial Asset Originated | CRE owner occupied | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,522 | 1,625
30-59 days | Financial Asset Originated | Multifamily | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 3 | 1,120
30-59 days | Financial Asset Originated | Farmland | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 0 | 2,686
30-59 days | Financial Asset Originated | SFR 1-4 1st DT liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 126 | 0
30-59 days | Financial Asset Originated | SFR HELOCs and junior liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 4,758 | 201
30-59 days | Financial Asset Originated | Other | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 114 | 50
60-89 days | Financial Asset Originated |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 10,156 | 1,681
60-89 days | Financial Asset Originated | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 6,104 | 198
60-89 days | Financial Asset Originated | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 3,040 | 858
60-89 days | Financial Asset Originated | Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 786 | 308
60-89 days | Financial Asset Originated | Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 0 | 0
60-89 days | Financial Asset Originated | Agriculture production |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 226 | 317
60-89 days | Financial Asset Originated | Leases |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 0 | 0
60-89 days | Financial Asset Originated | CRE non-owner occupied | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 0 | 0
60-89 days | Financial Asset Originated | CRE owner occupied | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 242 | 85
60-89 days | Financial Asset Originated | Multifamily | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 165 | 0
60-89 days | Financial Asset Originated | Farmland | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 5,697 | 113
60-89 days | Financial Asset Originated | SFR 1-4 1st DT liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 2,472 | 6
60-89 days | Financial Asset Originated | SFR HELOCs and junior liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 395 | 852
60-89 days | Financial Asset Originated | Other | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 173 | 0
> 90 days | Financial Asset Originated |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 28,102 | 24,553
> 90 days | Financial Asset Originated | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 21,436 | 12,216
> 90 days | Financial Asset Originated | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 3,091 | 2,766
> 90 days | Financial Asset Originated | Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,395 | 9,257
> 90 days | Financial Asset Originated | Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,863 | 0
> 90 days | Financial Asset Originated | Agriculture production |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 317 | 314
> 90 days | Financial Asset Originated | Leases |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 0 | 0
> 90 days | Financial Asset Originated | CRE non-owner occupied | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 4,729 | 2,452
> 90 days | Financial Asset Originated | CRE owner occupied | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,887 | 3,619
> 90 days | Financial Asset Originated | Multifamily | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 0 | 0
> 90 days | Financial Asset Originated | Farmland | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 14,820 | 6,145
> 90 days | Financial Asset Originated | SFR 1-4 1st DT liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 529 | 1,556
> 90 days | Financial Asset Originated | SFR HELOCs and junior liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 2,281 | 1,078
> 90 days | Financial Asset Originated | Other | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 281 | 132
Current | Financial Asset Originated |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 6,961,112 | 6,735,812
Current | Financial Asset Originated | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 4,764,329 | 4,559,566
Current | Financial Asset Originated | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,282,780 | 1,277,184
Current | Financial Asset Originated | Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 450,211 | 461,169
Current | Financial Asset Originated | Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 296,911 | 279,933
Current | Financial Asset Originated | Agriculture production |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 161,693 | 151,154
Current | Financial Asset Originated | Leases |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 5,188 | 6,806
Current | Financial Asset Originated | CRE non-owner occupied | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 2,444,947 | 2,320,363
Current | Financial Asset Originated | CRE owner occupied | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,033,866 | 956,086
Current | Financial Asset Originated | Multifamily | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,047,976 | 1,026,915
Current | Financial Asset Originated | Farmland | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 237,540 | 256,202
Current | Financial Asset Originated | SFR 1-4 1st DT liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 845,569 | 858,098
Current | Financial Asset Originated | SFR HELOCs and junior liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 394,650 | 361,289
Current | Financial Asset Originated | Other | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | $ 42,561 | $ 57,797

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