Stockholders' Equity - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021	Apr. 19, 2021	Dec. 31, 2020	Mar. 31, 2019
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Common stock, authorized (in shares)	200,000,000		200,000,000		200,000,000
Common stock, issued (in shares)	77,559,927		77,559,927		74,980,546
Common stock, outstanding (in shares)	74,813,684		74,813,684		72,234,303
Common stock, par value (in dollars per share)	$ 0.001		$ 0.001		$ 0.001		$ 0.001	$ 0.001
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Preferred stock, authorized (in shares)	5,000,000		5,000,000		5,000,000
Preferred stock, issued (in shares)	0		0		0
Preferred stock, shares outstanding (in shares)	0		0		0
Preferred stock, par value (in dollars per share)	$ 0.001		$ 0.001		$ 0.001
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, authorized (in shares)	200,000,000		200,000,000		200,000,000
Common stock, issued (in shares)	77,559,927		77,559,927		74,980,546
Common stock, outstanding (in shares)	74,813,684		74,813,684		72,234,303
Common stock, par value (in dollars per share)	$ 0.001		$ 0.001		$ 0.001		$ 0.001	$ 0.001
Preferred stock, authorized (in shares)	5,000,000		5,000,000		5,000,000
Preferred stock, shares outstanding (in shares)	0		0		0
Preferred stock, issued (in shares)	0		0		0
Preferred stock, par value (in dollars per share)	$ 0.001		$ 0.001		$ 0.001
Fair value of stock options exercised			$ 1.2
Accrual for cash awards	$ 4.8	$ 5.1	11.9	$ 10.4
Stock-based compensation expense	$ 36.5	$ 15.1	$ 68.4	$ 29.7
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 8.19	$ 24.76	$ 11.89	$ 25.71
Dividend yield (percent)	0.00%	0.00%	0.00%	0.00%
Expected life (in years)	5 years	5 years	5 years	5 years
Period used to determine volatility			5 years
Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of common stock available for issuance (up to)	40,067,744		40,067,744			5,000,000
Options term (in years)			10 years
Shares reserved for future issuance	3,800,000		3,800,000
Unrecognized compensation cost related to novested share-based compensation arrangements	$ 29.6		$ 29.6
Weighted average recognition period of unrecognized compensation cost			2 years 8 months 12 days
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of common stock available for issuance (up to)	1,000,000		1,000,000
Shares reserved for future issuance	500,000		500,000
Incentive Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of common stock available for issuance (up to)	6,159,009		6,159,009
Shares reserved for future issuance	1,500,000		1,500,000
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average recognition period of unrecognized compensation cost			3 years
Unrecognized compensation cost related to nonvested share-based compensation arrangements	$ 129.5		$ 129.5
Minimum | RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			3 years
Maximum | RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			4 years