Stock-based Compensation - Stock Option Activity (Details) $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2022 USD ($) $ / shares shares
Number of Common Stock Options
Outstanding at beginning of period (in shares) | shares	11,507,643
Exercised (in shares) | shares	(1,053,499)
Forfeited (in shares) | shares	(826,089)
Outstanding at end of period (in shares) | shares	9,628,055
Weighted- Average Exercise Price
Outstanding at beginning of period (in dollars per share) | $ / shares	$ 1.72
Exercised (in dollars per share) | $ / shares	1.67
Forfeited (in dollars per share) | $ / shares	1.67
Outstanding at end of period (in dollars per share) | $ / shares	$ 1.73
Weighted- Average Remaining Contractual Life (Years)
Outstanding balance	7 years 2 months 23 days
Aggregate Intrinsic Value (In Thousands)
Outstanding balance | $	$ 41,035