Loans - Schedule of Loan Modifications (Detail) - Commercial and Industrial - Interest Only/Principal Deferment $ in Thousands	6 Months Ended
Jun. 30, 2026 USD ($)
Financing Receivable, Modified [Line Items]
Amortized Cost Basis	$ 4,998
% of Total Class of Loans	0.40%
Financial Effect	One loan with 12-month interest-only modification

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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