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Allowance for Credit Losses - Analysis of Past Due and Nonaccrual Loans (Detail) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | $ 6,520,740 | $ 6,450,447
Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 4,343,924 | 4,359,083
Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 1,252,225 | 1,240,743
Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 576,247 | 569,921
Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 278,425 | 211,560
Agriculture production |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 61,337 | 61,414
Leases |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 8,582 | 7,726
CRE non-owner occupied | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 2,143,146 | 2,149,725
CRE owner occupied | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 972,361 | 984,807
Multifamily | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 951,590 | 944,537
Farmland | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 276,827 | 280,014
SFR 1-4 1st DT liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 829,346 | 790,349
SFR HELOCs and junior liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 363,600 | 393,666
Other | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 59,279 | 56,728
Financial Asset Originated |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 6,520,740 | 6,450,447
Financial Asset Originated | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 4,343,924 | 4,359,083
Financial Asset Originated | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 1,252,225 | 1,240,743
Financial Asset Originated | Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 576,247 | 569,921
Financial Asset Originated | Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 278,425 | 211,560
Financial Asset Originated | Agriculture production |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 61,337 | 61,414
Financial Asset Originated | Leases |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 8,582 | 7,726
Financial Asset Originated | CRE non-owner occupied | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 2,143,146 | 2,149,725
Financial Asset Originated | CRE owner occupied | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 972,361 | 984,807
Financial Asset Originated | Multifamily | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 951,590 | 944,537
Financial Asset Originated | Farmland | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 276,827 | 280,014
Financial Asset Originated | SFR 1-4 1st DT liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 829,346 | 790,349
Financial Asset Originated | SFR HELOCs and junior liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 363,600 | 393,666
Financial Asset Originated | Other | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 59,279 | 56,728
Total Past Due Loans | Financial Asset Originated |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 9,483 | 4,947
Total Past Due Loans | Financial Asset Originated | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 2,750 | 332
Total Past Due Loans | Financial Asset Originated | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 4,583 | 1,463
Total Past Due Loans | Financial Asset Originated | Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 1,717 | 2,773
Total Past Due Loans | Financial Asset Originated | Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 400 | 379
Total Past Due Loans | Financial Asset Originated | Agriculture production |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 33 | 0
Total Past Due Loans | Financial Asset Originated | Leases |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 0 | 0
Total Past Due Loans | Financial Asset Originated | CRE non-owner occupied | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 651 | 0
Total Past Due Loans | Financial Asset Originated | CRE owner occupied | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 441 | 173
Total Past Due Loans | Financial Asset Originated | Multifamily | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 0 | 159
Total Past Due Loans | Financial Asset Originated | Farmland | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 1,658 | 0
Total Past Due Loans | Financial Asset Originated | SFR 1-4 1st DT liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 1,591 | 303
Total Past Due Loans | Financial Asset Originated | SFR HELOCs and junior liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 2,636 | 1,045
Total Past Due Loans | Financial Asset Originated | Other | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 356 | 115
30-59 days | Financial Asset Originated |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 3,303 | 2,681
30-59 days | Financial Asset Originated | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 645 | 159
30-59 days | Financial Asset Originated | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 2,100 | 222
30-59 days | Financial Asset Originated | Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 158 | 2,300
30-59 days | Financial Asset Originated | Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 400 | 0
30-59 days | Financial Asset Originated | Agriculture production |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 0 | 0
30-59 days | Financial Asset Originated | Leases |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 0 | 0
30-59 days | Financial Asset Originated | CRE non-owner occupied | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 304 | 0
30-59 days | Financial Asset Originated | CRE owner occupied | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 191 | 0
30-59 days | Financial Asset Originated | Multifamily | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 0 | 159
30-59 days | Financial Asset Originated | Farmland | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 150 | 0
30-59 days | Financial Asset Originated | SFR 1-4 1st DT liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 1 | 24
30-59 days | Financial Asset Originated | SFR HELOCs and junior liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 1,918 | 172
30-59 days | Financial Asset Originated | Other | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 181 | 26
60-89 days | Financial Asset Originated |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 733 | 488
60-89 days | Financial Asset Originated | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 0 | 98
60-89 days | Financial Asset Originated | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 573 | 200
60-89 days | Financial Asset Originated | Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 160 | 190
60-89 days | Financial Asset Originated | Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 0 | 0
60-89 days | Financial Asset Originated | Agriculture production |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 0 | 0
60-89 days | Financial Asset Originated | Leases |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 0 | 0
60-89 days | Financial Asset Originated | CRE non-owner occupied | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 0 | 0
60-89 days | Financial Asset Originated | CRE owner occupied | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 0 | 98
60-89 days | Financial Asset Originated | Multifamily | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 0 | 0
60-89 days | Financial Asset Originated | Farmland | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 0 | 0
60-89 days | Financial Asset Originated | SFR 1-4 1st DT liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 106 | 0
60-89 days | Financial Asset Originated | SFR HELOCs and junior liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 391 | 166
60-89 days | Financial Asset Originated | Other | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 76 | 34
> 90 days | Financial Asset Originated |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 5,447 | 1,778
> 90 days | Financial Asset Originated | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 2,105 | 75
> 90 days | Financial Asset Originated | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 1,910 | 1,041
> 90 days | Financial Asset Originated | Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 1,399 | 283
> 90 days | Financial Asset Originated | Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 0 | 379
> 90 days | Financial Asset Originated | Agriculture production |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 33 | 0
> 90 days | Financial Asset Originated | Leases |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 0 | 0
> 90 days | Financial Asset Originated | CRE non-owner occupied | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 347 | 0
> 90 days | Financial Asset Originated | CRE owner occupied | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 250 | 75
> 90 days | Financial Asset Originated | Multifamily | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 0 | 0
> 90 days | Financial Asset Originated | Farmland | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 1,508 | 0
> 90 days | Financial Asset Originated | SFR 1-4 1st DT liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 1,484 | 279
> 90 days | Financial Asset Originated | SFR HELOCs and junior liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 327 | 707
> 90 days | Financial Asset Originated | Other | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 99 | 55
Current | Financial Asset Originated |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 6,511,257 | 6,445,500
Current | Financial Asset Originated | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 4,341,174 | 4,358,751
Current | Financial Asset Originated | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 1,247,642 | 1,239,280
Current | Financial Asset Originated | Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 574,530 | 567,148
Current | Financial Asset Originated | Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 278,025 | 211,181
Current | Financial Asset Originated | Agriculture production |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 61,304 | 61,414
Current | Financial Asset Originated | Leases |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 8,582 | 7,726
Current | Financial Asset Originated | CRE non-owner occupied | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 2,142,495 | 2,149,725
Current | Financial Asset Originated | CRE owner occupied | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 971,920 | 984,634
Current | Financial Asset Originated | Multifamily | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 951,590 | 944,378
Current | Financial Asset Originated | Farmland | Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 275,169 | 280,014
Current | Financial Asset Originated | SFR 1-4 1st DT liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 827,755 | 790,046
Current | Financial Asset Originated | SFR HELOCs and junior liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 360,964 | 392,621
Current | Financial Asset Originated | Other | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | $ 58,923 | $ 56,613

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