Income Taxes - Gross Unrecognized Tax Benefit (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefit beginning balance	$ 4,900	$ 4,300	$ 6,700
Increase as a result of tax positions taken during the period	7,500	5,400	4,500
Decrease as a result of tax positions taken during the period	(5,500)	(4,800)	(4,000)
Increase as a result of expiring statutes	100	0
Decrease as a result of expiring statutes			(2,900)
Unrecognized tax benefit ending balance	$ 7,000	$ 4,900	$ 4,300