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Loans and ACL - Summary of Accrued Interest Receivable by Loan Type Reversed from Income (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Financing Receivable, Nonaccrual [Line Items] |  |  |  |
Accrued interest receivable reversed through income | $ 77 | $ 328 | $ 134 | $ 476
Commercial and Industrial [Member] |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |
Accrued interest receivable reversed through income | 6 | 267 | 58 | 324
Consumer [Member] |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |
Accrued interest receivable reversed through income | 4 | 3 | 7 | 8
Real Estate [Member] | Construction, Commercial [Member] |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |
Accrued interest receivable reversed through income | 0 | 0 | 0 | 25
Real Estate [Member] | Commercial [Member] |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |
Accrued interest receivable reversed through income | 2 | 14 | 2 | 65
Real Estate [Member] | Residential [Member] |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |
Accrued interest receivable reversed through income | $ 65 | $ 44 | $ 67 | $ 54

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