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v3.23.1

Loans - Summary of Activities in Allowance for Credit Losses (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022
Allowance for Loan Losses |  |  |
Balance at beginning of year | $ 20,313 |  |
Provision for credit losses-Loans | 817 | $ 580 | $ 4,600
Charge Offs | (122) | (94) | (827)
Recoveries | 62 | 43 | 298
Balance at ending of year | 24,634 |  | 20,313
Consumer Real Estate [Member] |  |  |
Allowance for Loan Losses |  |  |
Balance at beginning of year | 998 |  |
Provision for credit losses-Loans | (256) | 30 | 121
Recoveries | 7 | 5 | 20
Balance at ending of year | 3,623 |  | 998
Agricultural Real Estate [Member] |  |  |
Allowance for Loan Losses |  |  |
Balance at beginning of year | 349 |  |
Provision for credit losses-Loans | 26 | (434) | (691)
Balance at ending of year | 209 |  | 349
Agricultural [Member] |  |  |
Allowance for Loan Losses |  |  |
Balance at beginning of year | 751 |  |
Provision for credit losses-Loans | (35) | 135 | 35
Recoveries |  |  | 7
Balance at ending of year | 66 |  | 751
Commercial Real Estate [Member] |  |  |
Allowance for Loan Losses |  |  |
Balance at beginning of year | 11,924 |  |
Provision for credit losses-Loans | 661 | 441 | 2,785
Recoveries | 2 | 2 | 9
Balance at ending of year | 16,088 |  | 11,924
Commercial and Industrial [Member] |  |  |
Allowance for Loan Losses |  |  |
Balance at beginning of year | 5,382 |  |
Provision for credit losses-Loans | 191 | 216 | 1,860
Charge Offs |  | (6) | (418)
Recoveries | 6 | 9 | 93
Balance at ending of year | 3,414 |  | 5,382
Consumer [Member] |  |  |
Allowance for Loan Losses |  |  |
Balance at beginning of year | 909 |  |
Provision for credit losses-Loans | 230 | 59 | 506
Charge Offs | (122) | (88) | (409)
Recoveries | 47 | $ 27 | 169
Balance at ending of year | 1,234 |  | 909
Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |
Allowance for Loan Losses |  |  |
Balance at beginning of year | $ 3,564 |  |
Accounting Standards Update [Extensible Enumeration] | Accounting Standards Update 2016-13 [Member] |  |
Balance at ending of year |  |  | 3,564
Cumulative Effect, Period of Adoption, Adjustment [Member] | Consumer Real Estate [Member] |  |  |
Allowance for Loan Losses |  |  |
Balance at beginning of year | $ 2,874 |  |
Balance at ending of year |  |  | 2,874
Cumulative Effect, Period of Adoption, Adjustment [Member] | Agricultural Real Estate [Member] |  |  |
Allowance for Loan Losses |  |  |
Balance at beginning of year | (166) |  |
Balance at ending of year |  |  | (166)
Cumulative Effect, Period of Adoption, Adjustment [Member] | Agricultural [Member] |  |  |
Allowance for Loan Losses |  |  |
Balance at beginning of year | (650) |  |
Balance at ending of year |  |  | (650)
Cumulative Effect, Period of Adoption, Adjustment [Member] | Commercial Real Estate [Member] |  |  |
Allowance for Loan Losses |  |  |
Balance at beginning of year | 3,501 |  |
Balance at ending of year |  |  | 3,501
Cumulative Effect, Period of Adoption, Adjustment [Member] | Commercial and Industrial [Member] |  |  |
Allowance for Loan Losses |  |  |
Balance at beginning of year | (2,165) |  |
Balance at ending of year |  |  | (2,165)
Cumulative Effect, Period of Adoption, Adjustment [Member] | Consumer [Member] |  |  |
Allowance for Loan Losses |  |  |
Balance at beginning of year | $ 170 |  |
Balance at ending of year |  |  | $ 170

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