Comprehensive Income (Loss) - Components of Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Before Tax Amount
Other comprehensive (loss) income, net	$ (1,493)	$ 10,126
Tax Benefit
Other comprehensive (loss) income, net	424	(2,670)
Net of Tax Amount
Other comprehensive income, net of tax	(1,069)	7,456
Unrealized (losses) gains on available for sale securities arising during the period
Before Tax Amount
Unrealized (losses) gains on available for sale securities arising during the period	(1,348)	10,298
Tax Benefit
Unrealized (losses) gains on available for sale securities arising during the period	385	(2,716)
Net of Tax Amount
Unrealized (losses) gains on available for sale securities arising during the period	(963)	7,582
Other comprehensive income, net of tax	(963)	7,582
Amortization of gain on debt securities reclassified to held to maturity from available for sale
Before Tax Amount
Other comprehensive (loss) income, net	(145)	(172)
Tax Benefit
Other comprehensive (loss) income, net	39	46
Net of Tax Amount
Other comprehensive income, net of tax	$ (106)	$ (126)