Stockholders’ Equity - Option Activity (Details) - Employee, excluding CEO $ / 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
Beginning balance (in shares) | shares	10,401
Granted (in shares) | shares	5,700
Exercised (including early exercised options vested during the period) (in shares) | shares	(1,172)
Forfeited and expired (in shares) | shares	(394)
Ending balance (in shares) | shares	14,535	10,401
Exercisable at the end of the period (in shares) | shares	8,138
Weighted Average Exercise Price
Beginning balance (in dollars per share) | $ / shares	$ 4.01
Granted (in dollars per share) | $ / shares	4.97
Exercised (including early exercised options vested during the period) (in dollars per share) | $ / shares	1.32
Forfeited and expired (in dollars per share) | $ / shares	6.33
Ending balance (in dollars per share) | $ / shares	4.55	$ 4.01
Exercisable at the end of the period (in dollars per share) | $ / shares	$ 3.41
Weighted Average Contractual Period (in Years)
Outstanding balance (in years)	8 years 4 months 9 days	7 years 8 months 23 days
Exercisable at the end of the period (in years)	7 years 5 months 8 days
Aggregate Intrinsic Value
Outstanding balance | $	$ 18,347	$ 37,868
Exercisable at the end of the period | $	$ 17,987