Stock-Based Compensation - Summary of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Shares
Beginning balance (in shares)	813,965	725,864
Options granted (in shares)	137,927
Options exercised (in shares)	(40,000)	(100,000)
Options canceled, forfeited or expired (in shares)	(9,826)
Ending balance (in shares)	813,965	725,864
Options exercisable (in shares)	618,006
Weighted-Average Exercise Price
Beginning balance (in dollars per share)	$ 13.25
Options granted (in dollars per share)	66.29
Options exercised (in dollars per share)	5.20
Options canceled, forfeited or expired (in dollars per share)	3.89
Ending balance (in dollars per share)	22.74	$ 13.25
Options exercisable (in dollars per share)	$ 10.22
Weighted-Average Remaining Contractual Term (Years)
Options outstanding	3 years 2 months 12 days	3 years 9 months
Options exercisable	2 years 1 month 20 days
Aggregate Intrinsic Value (in millions)
Options outstanding	$ 41.6	$ 3.4
Options exercised	2.8	$ 1.8	$ 2.7
Options exercisable	$ 37.1