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v3.23.1

Allowance for Loan Losses - Impaired Loans Excluding PCI Loans - Recorded Investment and Unpaid Principal Balances (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Dec. 31, 2022
Financing Receivable, Impaired [Line Items] |  |
Impaired financing receivables, with no related allowance recorded, Recorded Investment |  | $ 467
Impaired financing receivables, with no related allowance recorded, Unpaid Principal Balance |  | 492
Impaired financing receivables, with no related allowance recorded, Average Recorded Investment |  | 1,289
Impaired financing receivables, with no related allowance recorded, Interest Income Recognized |  | 60
Impaired financing receivables, with an allowance recorded, Recorded Investment |  | 157
Impaired financing receivables, with an allowance recorded, Unpaid Principal Balance |  | 161
Impaired financing receivables, with an allowance recorded, Related Allowance |  | 7
Impaired financing receivables, with an allowance recorded, Average Recorded Investment |  | 233
Impaired financing receivables, Recorded Investment, Total |  | 624
Impaired financing receivables, Unpaid Principal Balance, Total |  | 653
Impaired financing receivables, Related Allowance, Total |  | 7
Impaired financing receivables, Average Recorded Investment, Total | $ 1,237 | 1,522
Impaired financing receivables, Interest Income Recognized, Total | 16 | 60
Commercial and Agriculture [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired financing receivables, with no related allowance recorded, Average Recorded Investment |  | 86
Impaired financing receivables, with no related allowance recorded, Interest Income Recognized |  | 6
Impaired financing receivables, Average Recorded Investment, Total |  | 86
Commercial Real Estate Owner Occupied [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired financing receivables, with no related allowance recorded, Recorded Investment |  | 82
Impaired financing receivables, with no related allowance recorded, Unpaid Principal Balance |  | 82
Impaired financing receivables, with no related allowance recorded, Average Recorded Investment |  | 192
Impaired financing receivables, with an allowance recorded, Recorded Investment |  | 150
Impaired financing receivables, with an allowance recorded, Unpaid Principal Balance |  | 150
Impaired financing receivables, with an allowance recorded, Related Allowance |  | 6
Impaired financing receivables, with an allowance recorded, Average Recorded Investment |  | 214
Impaired financing receivables, Recorded Investment, Total |  | 232
Impaired financing receivables, Unpaid Principal Balance, Total |  | 232
Impaired financing receivables, Related Allowance, Total |  | 6
Impaired financing receivables, Average Recorded Investment, Total | 193 | 406
Impaired financing receivables, Interest Income Recognized, Total | 3 | 6
Commercial Real Estate Non Owner Occupied [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired financing receivables, with no related allowance recorded, Average Recorded Investment |  | 35
Impaired financing receivables, Average Recorded Investment, Total |  | 35
Residential Real Estate [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired financing receivables, with no related allowance recorded, Recorded Investment |  | 385
Impaired financing receivables, with no related allowance recorded, Unpaid Principal Balance |  | 410
Impaired financing receivables, with no related allowance recorded, Average Recorded Investment |  | 595
Impaired financing receivables, with no related allowance recorded, Interest Income Recognized |  | 40
Impaired financing receivables, with an allowance recorded, Recorded Investment |  | 7
Impaired financing receivables, with an allowance recorded, Unpaid Principal Balance |  | 11
Impaired financing receivables, with an allowance recorded, Related Allowance |  | 1
Impaired financing receivables, with an allowance recorded, Average Recorded Investment |  | 19
Impaired financing receivables, Recorded Investment, Total |  | 392
Impaired financing receivables, Unpaid Principal Balance, Total |  | 421
Impaired financing receivables, Related Allowance, Total |  | 1
Impaired financing receivables, Average Recorded Investment, Total | 530 | 614
Impaired financing receivables, Interest Income Recognized, Total | 7 | 40
Lease Financing Receivables [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired financing receivables, Average Recorded Investment, Total |  | 381
Impaired financing receivables, Interest Income Recognized, Total |  | 14
Farm Real Estate [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired financing receivables, with no related allowance recorded, Average Recorded Investment |  | 381
Impaired financing receivables, with no related allowance recorded, Interest Income Recognized |  | $ 14
Impaired financing receivables, Average Recorded Investment, Total | 514 |
Impaired financing receivables, Interest Income Recognized, Total | $ 6 |

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