Borrowed Funds - Components of Borrowed Funds (Detail) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Debt Instrument [Line Items]
Long-term debt	$ 480,126	$ 474,229
Total borrowed funds	480,126	474,229
Trust Preferred Securities [Member]
Debt Instrument [Line Items]
Long-term debt	222,345	220,034
Subordinated notes 6.25%, net of issuance costs [Member]
Debt Instrument [Line Items]
Long-term debt	109,468	109,255
Subordinated notes 2.75% [Member]
Debt Instrument [Line Items]
Long-term debt	$ 148,313	$ 144,940

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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+ Details

- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

+ References

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