Schedule of Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Line Items]
Beginning balance, as of January 1	$ 15,608	$ 14,465	$ 17,903
Tax positions for current year, Additions	0	1,398	1,417
Tax positions for prior years, Additions	3,024	13	30
Tax positions for prior years, Reductions	(26)	(56)	(1,639)
Expiration of statutes, Reductions	0	(212)	(3,246)
Ending balance as of December 31	$ 18,606	$ 15,608	$ 14,465