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Allowance for Credit Losses - Schedule of Non Accrual Loans (Detail) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Non accrual with no allowance for credit losses | $ 18,125 | $ 25,704
Non accrual, no allowance including guaranteed loans | 18,230 | 26,417
Non accrual including guaranteed loans | 21,321 | 30,350
Total non accrual | 21,096 | 29,575
Past due 90 days or more and still accruing | 0 | 0
Loans Insured or Guaranteed by US Government Authorities |  |
Financing Receivable, Past Due [Line Items] |  |
Non accrual with no allowance for credit losses | 105 | 713
Total non accrual | 225 | 775
Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Non accrual with no allowance for credit losses | 8,574 | 17,571
Total non accrual | 8,574 | 20,412
Past due 90 days or more and still accruing | 0 | 0
Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Non accrual with no allowance for credit losses | 6,662 | 6,927
Total non accrual | 7,459 | 7,467
Past due 90 days or more and still accruing | 0 | 0
Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Non accrual with no allowance for credit losses | 1,224 | 1,904
Total non accrual | 3,518 | 2,416
Past due 90 days or more and still accruing | 0 | 0
Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Non accrual with no allowance for credit losses | 491 | 15
Total non accrual | 491 | 55
Past due 90 days or more and still accruing | 0 | 0
Agriculture production |  |
Financing Receivable, Past Due [Line Items] |  |
Non accrual with no allowance for credit losses | 1,279 | 0
Total non accrual | 1,279 | 0
Past due 90 days or more and still accruing | 0 | 0
Leases |  |
Financing Receivable, Past Due [Line Items] |  |
Non accrual with no allowance for credit losses | 0 | 0
Total non accrual | 0 | 0
Past due 90 days or more and still accruing | 0 | 0
CRE non-owner occupied | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Non accrual with no allowance for credit losses | 1,739 | 7,899
Total non accrual | 1,739 | 7,899
Past due 90 days or more and still accruing | 0 | 0
CRE owner occupied | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Non accrual with no allowance for credit losses | 4,938 | 4,763
Total non accrual | 4,938 | 5,036
Past due 90 days or more and still accruing | 0 | 0
Multifamily | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Non accrual with no allowance for credit losses | 125 | 4,457
Total non accrual | 125 | 4,457
Past due 90 days or more and still accruing | 0 | 0
Farmland | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Non accrual with no allowance for credit losses | 1,772 | 452
Total non accrual | 1,772 | 3,020
Past due 90 days or more and still accruing | 0 | 0
SFR 1-4 1st DT liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Non accrual with no allowance for credit losses | 4,117 | 3,594
Total non accrual | 4,220 | 3,595
Past due 90 days or more and still accruing | 0 | 0
SFR HELOCs and junior liens | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Non accrual with no allowance for credit losses | 2,498 | 3,285
Total non accrual | 3,155 | 3,801
Past due 90 days or more and still accruing | 0 | 0
Other | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Non accrual with no allowance for credit losses | 47 | 48
Total non accrual | 84 | 71
Past due 90 days or more and still accruing | $ 0 | $ 0

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