Stockholders' Equity - Summary of RSU and PSU Activity (Details) $ / shares in Units, shares in Thousands, $ in Thousands	6 Months Ended
	Jun. 30, 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	98
Number of Units, Released (in shares) | shares	(276)
Number of Units, Forfeited (in shares) | shares	(64)
Number of Units outstanding, end of period (in shares) | shares	865
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	149.92
Weighted Average Grant Date Fair Value, Released (in dollars per share) | $ / shares	51.65
Weighted Average Grant Date Fair Value, Forfeited (in dollars per share) | $ / shares	98.43
Weighted Average Grant Date Fair Value, Units outstanding, end of period (in dollars per share) | $ / shares	$ 90.59
Aggregate intrinsic value at end of period | $	$ 152,892
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	225
Number of Units, Released (in shares) | shares	(1,696)
Number of Units, Forfeited (in shares) | shares	(60)
Number of Units outstanding, end of period (in shares) | shares	4,087
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	50.00
Weighted Average Grant Date Fair Value, Released (in dollars per share) | $ / shares	41.20
Weighted Average Grant Date Fair Value, Forfeited (in dollars per share) | $ / shares	35.80
Weighted Average Grant Date Fair Value, Units outstanding, end of period (in dollars per share) | $ / shares	$ 34.22
Aggregate intrinsic value at end of period | $	$ 722,593