Income Taxes - Provision for Federal and State Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Current:
Federal	$ 18,535	$ 16,775	$ 18,188
State	2,105	1,520	1,447
Deferred:
Federal	(1,048)	(609)	(458)
State	(223)	(101)	(87)
Provision for federal and state income taxes, total	$ 19,369	$ 17,585	$ 19,090