Net Loss per Share - Computation Of Basic And Diluted Net Loss Per Share Attributable To Common Stockholders (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Numerator:
Net loss – basic and diluted	$ (44,639)	$ (37,588)	$ (88,502)	$ (68,511)
Denominator:
Weighted-average common shares outstanding - basic	64,467,483	62,344,718	64,231,579	62,399,034
Weighted-average common shares outstanding - diluted	64,467,483	62,344,718	64,231,579	62,399,034
Net loss per share - basic	$ (0.69)	$ (0.60)	$ (1.38)	$ (1.10)
Net loss per share - diluted	$ (0.69)	$ (0.60)	$ (1.38)	$ (1.10)