Net Loss Per Share - Calculation of Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Numerator:
Net loss	$ (36,038)	$ (32,451)	$ (123,640)	$ (97,477)
Denominator:
Weighted average shares used in computing net loss per share-basic	146,020,571	138,846,394	144,619,748	104,316,176
Weighted average shares used in computing net loss per share-diluted	146,020,571	138,846,394	144,619,748	104,316,176
Net loss per shares-basic	$ (0.25)	$ (0.23)	$ (0.85)	$ (0.93)
Net loss per share-diluted	$ (0.25)	$ (0.23)	$ (0.85)	$ (0.93)