Income Taxes - Reconciliation of the Beginning and Ending Amounts of Unrecognized Tax Benefits (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
Balance at beginning of year	$ 141,692	$ 95,136	$ 47,965
Additions based on tax positions related to current year	44,113	54,438	52,853
Additions based on tax positions related to prior years	9,886	13,473	2,405
Reductions based on tax positions related to prior years	(496)	(9,275)	(3,060)
Reductions due to statute of limitations lapse	(6,941)	(12,080)	(5,027)
Balance at end of year	$ 188,254	$ 141,692	$ 95,136