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Allowance for Loan Losses - Summary of Nonaccrual Loans Excluding Purchased Credit-Impaired (PCI) Loans (Detail) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2023 | Dec. 31, 2022
Financing Receivable Recorded Investment [Line Items] |  |
Nonaccrual loans with a related ACL | $ 938 |
Nonaccrual loans without a related ACL | 7,034 |
Total Nonaccrual loans | 7,972 | $ 6,507
Interest Income Recognized | 77 |
Commercial and Agriculture [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Nonaccrual loans with a related ACL | 565 |
Nonaccrual loans without a related ACL | 622 |
Total Nonaccrual loans | 1,187 | 774
Commercial Real Estate Owner Occupied [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Nonaccrual loans without a related ACL | 312 |
Total Nonaccrual loans | 312 | 386
Interest Income Recognized | 9 |
Commercial Real Estate Non Owner Occupied [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Nonaccrual loans without a related ACL | 1,252 |
Total Nonaccrual loans | 1,252 | 1,109
Residential Real Estate [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Nonaccrual loans without a related ACL | 4,571 |
Total Nonaccrual loans | 4,571 | 3,926
Interest Income Recognized | 65 |
Real Estate Construction [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Nonaccrual loans without a related ACL | 214 |
Total Nonaccrual loans | 214 | 221
Lease Financing Receivables [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Nonaccrual loans with a related ACL | 373 |
Total Nonaccrual loans | 373 |
Consumer and Other [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Nonaccrual loans without a related ACL | 63 |
Total Nonaccrual loans | 63 | $ 91
Interest Income Recognized | $ 3 |

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