Income Taxes - Reconciliation of Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning balance	$ 207,759	$ 173,726	$ 150,930
Gross increases related to prior year tax positions	4,547	14,732	0
Gross decreases related to prior year tax positions	(58,356)	0	(1,160)
Gross increases related to current year tax positions	10,000	29,149	31,332
Decreases resulting from expiration of statute of limitation	(10,561)	(6,518)	(2,112)
Decreases resulting from settlements	(5,089)	(3,330)	(5,264)
Ending balance	$ 148,300	$ 207,759	$ 173,726