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Securities - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-Sale [Line Items]
Proceeds from sales of available for sale securities		$ 0	$ 0	$ 222,474
Avaliable for sale of debt securities realized gains or losses		$ 0	$ 0
Reinvested in debt securities	$ 220,000
Reinvested debt securities, average yield percentage	1.86%
Sale of low yielding securities	$ 226,000
Debt securities. average yield percentage	0.16%
Gross losses realized				$ 3,990

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