Stockholders' Equity - Summary of Stock Option Activity (Detail) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) $ / shares shares
Number of stock options (in shares)
Outstanding, number, beginning balance (in shares) | shares	8,699
Granted in period (in shares) | shares	1,808
Exercises in period (in shares) | shares	(1,402)
Forfeitures in period (in shares) | shares	(1,104)
Outstanding, number, ending balance (in shares) | shares	8,001
Options, exercisable, number (in shares) | shares	4,576
Weighted- Average Exercise Price
Weighted average exercise price, beginning balance (in usd per share) | $ / shares	$ 40.33
Grants in period, weighted average exercise price (in usd per share) | $ / shares	73.27
Exercises in period, weighted average exercise price (in usd per share) | $ / shares	32.44
Forfeitures in period, weighted average exercise price (in usd per share) | $ / shares	53.72
Outstanding, weighted average exercise price, ending balance (in usd per share) | $ / shares	47.31
Exercisable, weighted average exercise price (in usd per share) | $ / shares	$ 38.10
Weighted average outstanding remaining contractual term	4 years 3 months 7 days
Weighted average remaining contractual term	3 years 4 months 2 days
Options, outstanding, intrinsic value | $	$ 365,079
Exercisable at December 31, 2021 | $	$ 250,968