Provision for Income Taxes - Provision for Income Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Tax Disclosure [Abstract]
Expected tax expense, at the U.S. federal statutory income tax rate of 21%	$ 1,697	$ 1,276	$ 3,066	$ 2,569
State income taxes	243	200	439	400
FDII benefit	(39)	(17)	(72)	(40)
Other, net	5	(3)	9	(3)
Total provision for income taxes	$ 1,906	$ 1,456	$ 3,442	$ 2,926