Stock Based Compensation - Stock option activity (Details) - $ / shares	6 Months Ended
	Jun. 30, 2022
Number of Shares
Outstanding at beginning of period (in shares)	3,461,870
Granted (in shares)	1,150,523
Exercised (in shares)	(30,150)
Forfeited (in shares)	(46,522)
Outstanding at end period (in shares)	4,535,721
Unvested shares related to early exercises of stock options (in shares)	2,471,102
Weighted Average Exercise Price
Weighted-average exercise price outstanding at beginning period (in dollars per share)	$ 10.38
Weighted average exercise price granted (in dollars per share)	11.04
Weighted average exercise price exercised (in dollars per share)	2.01
Weighted average exercise price forfeited (in dollars per share)	11.73
Weighted average exercise price outstanding at end period (in dollars per share)	10.59
Weighted average exercise price vested and exercisable (in dollars per share)	$ 6.79