Equity Awards - Schedule of Stock Option Activity (Details) shares in Thousands	3 Months Ended
	Mar. 31, 2020 $ / shares shares
Options Outstanding
Options outstanding, beginning balance (in shares) | shares	2,712
Granted (in shares) | shares	178
Exercised (in shares) | shares	(451)
Canceled/forfeited (in shares) | shares	(70)
Options outstanding, ending balance (in shares) | shares	2,369
Weighted-Average Exercise Price
Weighted-average exercise price, beginning balance (in dollars per share) | $ / shares	$ 22.58
Weighted-average exercise price, granted (in dollars per share) | $ / shares	153.26
Weighted-average exercise price, exercised (in dollars per share) | $ / shares	18.32
Weighted-average exercise price, canceled/forfeited (in dollars per share) | $ / shares	20.79
Weighted-average exercise price, ending balance (in dollars per share) | $ / shares	$ 33.28