Stock-Based Compensation - Stock Option Activity (Details) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) $ / shares shares
Number of Option Shares
Options outstanding (in shares) | shares	3,599,189
Granted and assumed (in shares) | shares	587,399
Exercised (in shares) | shares	(627,523)
Forfeited (in shares) | shares	(201,691)
Options outstanding (in shares) | shares	3,357,374
Options outstanding, weighted average remaining contractual term	6 years 3 months 10 days
Options outstanding, aggregate intrinsic value | $	$ 100.0
Weighted-Average Exercise Price
Options outstanding (in dollars per share) | $ / shares	$ 19.79
Granted and assumed (in dollars per share) | $ / shares	41.96
Exercised (in dollars per share) | $ / shares	17.28
Forfeited (in dollars per share) | $ / shares	27.24
Options outstanding (in dollars per share) | $ / shares	$ 23.69
Options Exercisable
Options exercisable (in shares) | shares	1,551,263
Options exercisable, weighted average exercise price (in dollars per share) | $ / shares	$ 18.56
Options exercisable, weighted average remaining contractual term	4 years 7 months 13 days
Options exercisable, aggregate intrinsic value | $	$ 50.8