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Loans - Schedule of Loan Modifications (Detail) - Commercial and Industrial - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2024
Financing Receivable, Modified [Line Items] |  |
Amortized Cost Basis | $ 20,060 | $ 20,060
% of Total Class of Loans | 2.00% | 2.00%
Financial Effect | 1 loan with term extension of 6 years | 1 loan with term extension of 6 years

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