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Allowance for Credit Losses - Analysis of Past Due and Nonaccrual Loans (Detail) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Loans | $ 6,113,421 | $ 4,916,624
Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 4,049,893 | 3,306,054
Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,162,989 | 1,071,551
Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 507,685 | 259,355
Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 313,646 | 222,281
Agriculture production |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 71,373 | 50,811
Leases |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 7,835 | 6,572
CRE non-owner occupied | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,993,848 | 1,603,141
CRE owner occupied | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 933,589 | 706,307
Multifamily | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 869,970 | 823,500
Farmland | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 252,486 | 173,106
SFR 1-4 1st DT liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 718,690 | 666,960
SFR HELOCs and junior liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 384,813 | 337,513
Other | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 59,486 | 67,078
Financial Asset Originated |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 6,113,421 | 4,916,624
Financial Asset Originated | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 4,049,893 | 3,306,054
Financial Asset Originated | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,162,989 | 1,071,551
Financial Asset Originated | Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 507,685 | 259,355
Financial Asset Originated | Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 313,646 | 222,281
Financial Asset Originated | Agriculture production |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 71,373 | 50,811
Financial Asset Originated | Leases |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 7,835 | 6,572
Financial Asset Originated | CRE non-owner occupied | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,993,848 | 1,603,141
Financial Asset Originated | CRE owner occupied | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 933,589 | 706,307
Financial Asset Originated | Multifamily | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 869,970 | 823,500
Financial Asset Originated | Farmland | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 252,486 | 173,106
Financial Asset Originated | SFR 1-4 1st DT liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 718,690 | 666,960
Financial Asset Originated | SFR HELOCs and junior liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 384,813 | 337,513
Financial Asset Originated | Other | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 59,486 | 67,078
Total Past Due Loans | Financial Asset Originated |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 5,920 | 4,332
Total Past Due Loans | Financial Asset Originated | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 2,016 | 1,509
Total Past Due Loans | Financial Asset Originated | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 3,242 | 2,128
Total Past Due Loans | Financial Asset Originated | Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 490 | 557
Total Past Due Loans | Financial Asset Originated | Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 84 | 90
Total Past Due Loans | Financial Asset Originated | Agriculture production |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 88 | 48
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 | 1,222 | 263
Total Past Due Loans | Financial Asset Originated | CRE owner occupied | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 459 | 671
Total Past Due Loans | Financial Asset Originated | Multifamily | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 0 | 0
Total Past Due Loans | Financial Asset Originated | Farmland | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 335 | 575
Total Past Due Loans | Financial Asset Originated | SFR 1-4 1st DT liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 754 | 375
Total Past Due Loans | Financial Asset Originated | SFR HELOCs and junior liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 2,169 | 1,609
Total Past Due Loans | Financial Asset Originated | Other | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 319 | 144
30-59 days | Financial Asset Originated |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,684 | 836
30-59 days | Financial Asset Originated | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 410 | 497
30-59 days | Financial Asset Originated | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,128 | 145
30-59 days | Financial Asset Originated | Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 58 | 146
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 | 88 | 48
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 | 226
30-59 days | Financial Asset Originated | CRE owner occupied | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 75 | 271
30-59 days | Financial Asset Originated | Multifamily | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 0 | 0
30-59 days | Financial Asset Originated | Farmland | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 335 | 0
30-59 days | Financial Asset Originated | SFR 1-4 1st DT liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 76 | 0
30-59 days | Financial Asset Originated | SFR HELOCs and junior liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 858 | 36
30-59 days | Financial Asset Originated | Other | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 194 | 109
60-89 days | Financial Asset Originated |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,299 | 880
60-89 days | Financial Asset Originated | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 111 | 164
60-89 days | Financial Asset Originated | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 822 | 381
60-89 days | Financial Asset Originated | Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 282 | 245
60-89 days | Financial Asset Originated | Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 84 | 90
60-89 days | Financial Asset Originated | Agriculture production |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 0 | 0
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 | 37
60-89 days | Financial Asset Originated | CRE owner occupied | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 111 | 127
60-89 days | Financial Asset Originated | Multifamily | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 0 | 0
60-89 days | Financial Asset Originated | Farmland | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 0 | 0
60-89 days | Financial Asset Originated | SFR 1-4 1st DT liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 387 | 13
60-89 days | Financial Asset Originated | SFR HELOCs and junior liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 396 | 361
60-89 days | Financial Asset Originated | Other | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 39 | 7
> 90 days | Financial Asset Originated |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 2,937 | 2,616
> 90 days | Financial Asset Originated | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,495 | 848
> 90 days | Financial Asset Originated | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,292 | 1,602
> 90 days | Financial Asset Originated | Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 150 | 166
> 90 days | Financial Asset Originated | Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 0 | 0
> 90 days | Financial Asset Originated | Agriculture production |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 0 | 0
> 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 | 1,222 | 0
> 90 days | Financial Asset Originated | CRE owner occupied | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 273 | 273
> 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 | 0 | 575
> 90 days | Financial Asset Originated | SFR 1-4 1st DT liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 291 | 362
> 90 days | Financial Asset Originated | SFR HELOCs and junior liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 915 | 1,212
> 90 days | Financial Asset Originated | Other | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 86 | 28
Current | Financial Asset Originated |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 6,107,501 | 4,912,292
Current | Financial Asset Originated | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 4,047,877 | 3,304,545
Current | Financial Asset Originated | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,159,747 | 1,069,423
Current | Financial Asset Originated | Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 507,195 | 258,798
Current | Financial Asset Originated | Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 313,562 | 222,191
Current | Financial Asset Originated | Agriculture production |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 71,285 | 50,763
Current | Financial Asset Originated | Leases |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 7,835 | 6,572
Current | Financial Asset Originated | CRE non-owner occupied | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,992,626 | 1,602,878
Current | Financial Asset Originated | CRE owner occupied | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 933,130 | 705,636
Current | Financial Asset Originated | Multifamily | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 869,970 | 823,500
Current | Financial Asset Originated | Farmland | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 252,151 | 172,531
Current | Financial Asset Originated | SFR 1-4 1st DT liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 717,936 | 666,585
Current | Financial Asset Originated | SFR HELOCs and junior liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 382,644 | 335,904
Current | Financial Asset Originated | Other | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | $ 59,167 | $ 66,934

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