Stockholders’ Equity and Stock-Based Compensation - Summary of Stock Option Activity (Details) $ / shares in Units, shares in Thousands, $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2022 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares
Shares of Stock under Stock Options
Beginning balance (in shares) | shares	12,765
Granted (in shares) | shares	12,797
Exercised (in shares) | shares	(270)
Canceled (in shares) | shares	(1,708)
Ending balance (in shares) | shares	23,584	12,765
Vested and exercisable (in shares) | shares	4,976
Weighted- Average Exercise Price
Beginning balance (in dollars per share) | $ / shares	$ 4.97
Granted (in dollars per share) | $ / shares	2.11
Exercised (in dollars per share) | $ / shares	0.59
Canceled (in dollars per share) | $ / shares	5.00
Ending balance (in dollars per share) | $ / shares	3.47	$ 4.97
Vested and exercisable (in dollars per share) | $ / shares	$ 3.90
Weighted- Average Remaining Contractual Term
Outstanding (in years)	9 years 29 days	8 years 10 months 24 days
Vested and exercisable (in years)	7 years 11 months 15 days
Aggregate Intrinsic Value
Beginning balance | $	$ 7,891
Exercised | $	302
Ending balance | $	2,053	$ 7,891
Vested and exercisable | $	$ 1,327