Stockholders' Equity - Summary of RSU and PSU Activity (Details) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($) $ / shares shares
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Number of Units outstanding, beginning of year (in shares) | shares	1,107
Number of Units, Granted (in shares) | shares	57
Number of Units, Released (in shares) | shares	(184)
Number of Units, Forfeited (in shares) | shares	(25)
Number of Units outstanding, end of period (in shares) | shares	955
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Weighted Average Grant Date Fair Value, Units outstanding, beginning of year (in dollars per share) | $ / shares	$ 76.10
Weighted Average Grant Date Fair Value, Granted (in dollars per share) | $ / shares	152.58
Weighted Average Grant Date Fair Value, Released (in dollars per share) | $ / shares	47.57
Weighted Average Grant Date Fair Value, Forfeited (in dollars per share) | $ / shares	91.87
Weighted Average Grant Date Fair Value, Units outstanding, end of period (in dollars per share) | $ / shares	$ 85.76
Aggregate intrinsic value at end of period | $	$ 136,019
Performance Stock Units (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Number of Units outstanding, beginning of year (in shares) | shares	5,618
Number of Units, Granted (in shares) | shares	190
Number of Units, Released (in shares) | shares	(765)
Number of Units, Forfeited (in shares) | shares	(41)
Number of Units outstanding, end of period (in shares) | shares	5,002
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Weighted Average Grant Date Fair Value, Units outstanding, beginning of year (in dollars per share) | $ / shares	$ 35.71
Weighted Average Grant Date Fair Value, Granted (in dollars per share) | $ / shares	43.83
Weighted Average Grant Date Fair Value, Released (in dollars per share) | $ / shares	37.61
Weighted Average Grant Date Fair Value, Forfeited (in dollars per share) | $ / shares	34.70
Weighted Average Grant Date Fair Value, Units outstanding, end of period (in dollars per share) | $ / shares	$ 35.74
Aggregate intrinsic value at end of period | $	$ 712,357