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Allowance for Loan Losses - Summary of Nonaccrual Loans Excluding Purchased Credit-Impaired (PCI) Loans (Detail) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual loans with a related ACL | $ 89 |
Nonaccrual loans without a related ACL | 6,891 |
Total Nonaccrual loans | 6,980 | $ 6,507
Interest Income Recognized | 32 |
Commercial and Agriculture [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual loans with a related ACL | 12 |
Nonaccrual loans without a related ACL | 945 |
Total Nonaccrual loans | 957 | 774
Commercial Real Estate Owner Occupied [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual loans without a related ACL | 358 |
Total Nonaccrual loans | 358 | 386
Interest Income Recognized | 3 |
Commercial Real Estate Non Owner Occupied [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual loans without a related ACL | 1,294 |
Total Nonaccrual loans | 1,294 | 1,109
Residential Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual loans without a related ACL | 3,892 |
Total Nonaccrual loans | 3,892 | 3,926
Interest Income Recognized | 29 |
Real Estate Construction [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual loans without a related ACL | 217 |
Total Nonaccrual loans | 217 | 221
Lease Financing Receivables [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual loans without a related ACL | 61 |
Total Nonaccrual loans | 61 |
Consumer and Other [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual loans with a related ACL | 77 |
Nonaccrual loans without a related ACL | 124 |
Total Nonaccrual loans | $ 201 | $ 91

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