Share-Based Compensation - RSU and PSU Activity (Details) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) $ / shares shares
Restricted stock units
Number of RSUs
Balance outstanding at beginning of period (shares) | shares	450,260
Granted (shares) | shares	484,409
Releases (shares) | shares	(148,551)
Canceled/forfeited (shares) | shares	(65,551)
Balance outstanding at end of period (shares) | shares	720,567
Weighted Average Grant Date Fair Value
Balance outstanding at beginning of period (USD per share) | $ / shares	$ 114.58
Granted (USD per share) | $ / shares	182.35
Releases (USD per share) | $ / shares	117.35
Canceled/Forfeited (USD per share) | $ / shares	147.70
Balance outstanding at end of period (USD per share) | $ / shares	$ 156.55
Aggregate Intrinsic Value (millions) | $	$ 105.7
Performance Share Units (PSUs)
Number of RSUs
Balance outstanding at beginning of period (shares) | shares	15,000
Granted (shares) | shares	323,337
Releases (shares) | shares	(3,428)
Canceled/forfeited (shares) | shares	(53,298)
Balance outstanding at end of period (shares) | shares	281,611
Weighted Average Grant Date Fair Value
Balance outstanding at beginning of period (USD per share) | $ / shares	$ 101.00
Granted (USD per share) | $ / shares	158.96
Releases (USD per share) | $ / shares	212.93
Canceled/Forfeited (USD per share) | $ / shares	146.48
Balance outstanding at end of period (USD per share) | $ / shares	$ 157.58
Aggregate Intrinsic Value (millions) | $	$ 41.3