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Stock-Based Compensation - Additional Information (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
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted-average grant date fair value of options granted	$ 3.19	$ 12.34	$ 3.99	$ 13.55
Unrecognized stock-based compensation cost of unvested options	$ 14.3		$ 14.3
Unrecognized stock-based compensation of unvested options, recognized over weighted-average period			2 years 1 month 6 days
2019 Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock shares purchased			204,775	57,001
Performance-Based Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance-based stock option activity, number of shares	421,000		421,000
Performance-based stock option activity, exercise price	$ 5.10		$ 5.10
Performance-based stock option activity, remaining contractual term			7 years 8 months 15 days
Performance-based stock option activity, Fully vested and exercisable intrinsic value	$ 0.0		$ 0.0
Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized stock-based compensation of unvested options, recognized over weighted-average period			2 years 6 months
Unrecognized stock-based compensation cost of unvested RSUs	$ 21.3		$ 21.3