Income Taxes - Schedule of Unrecognized Tax Benefits (Excluding Interest and Federal Income Tax Benefit of Unrecognized State Tax Benefits) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Balance at beginning of year	$ 158	$ 226	$ 324
Additions based on tax positions related to the current year	20	0	3
Reductions due to the statute of limitations	(120)	(68)	(101)
Balance at end of year	$ 58	$ 158	$ 226