Stock-Based Compensation - Schedule of Stock-Based Compensation Activity (Details) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding beginning balance (in shares) | shares	3,744
Granted (in shares) | shares	1,247
Exercised (in shares) | shares	(647)
Canceled (in shares) | shares	(91)
Outstanding ending balance (in shares) | shares	4,253
Exercisable at end of period (in shares) | shares	2,556
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Outstanding weighted average exercise price, beginning balance (in usd per share) | $ / shares	$ 20.69
Granted weighted average exercise price (in usd per share) | $ / shares	48.88
Exercised weighted average exercise price (in usd per share) | $ / shares	14.49
Canceled weighted average exercise price (in usd per share) | $ / shares	35.17
Outstanding weighted average exercise price, ending balance (in usd per share) | $ / shares	29.59
Exercisable weighted average exercise price at end of period (in usd per share) | $ / shares	$ 21.24
Outstanding, weighted average remaining term at end of period	6 years 9 months 18 days
Exercisable, weighted average remaining term at end of period	5 years 7 months 6 days
Outstanding, intrinsic value at end of period | $	$ 96,524
Exercisable, intrinsic value at end of period | $	$ 79,083