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Loans - Schedule of Loan Modifications (Parenthetical) (Detail) - Commercial and Industrial - Loan | 3 Months Ended | 9 Months Ended
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Sep. 30, 2024 | Sep. 30, 2024
Financing Receivable, Modified [Line Items] |  |
Number of loan | 1 | 1
Term extension of loan | 6 years | 6 years

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