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Allowance for Credit Losses - Summary by Class of Loans, Carrying Value of Collateral Dependent Nonaccrual Loans and Type of Collateral (Detail) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | $ 21,500 | $ 16,679
Real Estate [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 20,860 | 16,547
Business Assets [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 640 | 132
Other [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 0 | 0
Agriculture and Farmland [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 362 | 0
Agriculture and Farmland [Member] | Real Estate [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 362 | 0
Agriculture and Farmland [Member] | Business Assets [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 0 | 0
Agriculture and Farmland [Member] | Other [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 0 | 0
Construction [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 160 | 9
Construction [Member] | Real Estate [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 160 | 9
Construction [Member] | Business Assets [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 0 | 0
Construction [Member] | Other [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 0 | 0
Commercial and Industrial [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 6,480 | 132
Commercial and Industrial [Member] | Real Estate [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 5,840 | 0
Commercial and Industrial [Member] | Business Assets [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 640 | 132
Commercial and Industrial [Member] | Other [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 0 | 0
Multifamily [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 0 | 0
Multifamily [Member] | Real Estate [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 0 | 0
Multifamily [Member] | Business Assets [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 0 | 0
Multifamily [Member] | Other [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 0 | 0
Owner Occupied [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 8,983 | 9,752
Owner Occupied [Member] | Real Estate [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 8,983 | 9,752
Owner Occupied [Member] | Business Assets [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 0 | 0
Owner Occupied [Member] | Other [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 0 | 0
Non-owner Occupied [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 2,906 | 4,329
Non-owner Occupied [Member] | Real Estate [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 2,906 | 4,329
Non-owner Occupied [Member] | Business Assets [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 0 | 0
Non-owner Occupied [Member] | Other [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 0 | 0
First Liens [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 2,149 | 1,975
First Liens [Member] | Real Estate [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 2,149 | 1,975
First Liens [Member] | Business Assets [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 0 | 0
First Liens [Member] | Other [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 0 | 0
Second Liens and Lines of Credit [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 460 | 482
Second Liens and Lines of Credit [Member] | Real Estate [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 460 | 482
Second Liens and Lines of Credit [Member] | Business Assets [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 0 | 0
Second Liens and Lines of Credit [Member] | Other [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 0 | 0
Municipal [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 0 | 0
Municipal [Member] | Real Estate [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 0 | 0
Municipal [Member] | Business Assets [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 0 | 0
Municipal [Member] | Other [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 0 | 0
Consumer [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 0 | 0
Consumer [Member] | Real Estate [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 0 | 0
Consumer [Member] | Business Assets [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 0 | 0
Consumer [Member] | Other [Member] |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | $ 0 | $ 0

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