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Derivative Financial Instruments - Schedule of Effects of Interest Rate Swap Agreements on Consolidated Statements of Income (Detail) - Designated as Hedging Instrument [Member] - Interest Rate Swap [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Loans, Including Fees [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Effects of derivatives on consolidated statement of income	$ (12)	$ 57	$ (57)	$ 62
Other [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Effects of derivatives on consolidated statement of income	25	208	75	635
Interest Income [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Effects of derivatives on consolidated statement of income	$ 13	$ 265	$ 18	$ 697

X

- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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- Definition

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.

+ References

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