Net loss per share - Summary of Net Earnings (Loss) per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Numerator:
Net loss	$ (44,544)	$ (25,649)
Net loss	$ (44,544)	$ (25,649)
Weighted-average shares used in computing net loss per share
Basic (in shares)	145,737,709	139,405,294
Diluted (in shares)	145,737,709	139,405,294
Net loss per share
Basic (in dollars per share)	$ (0.31)	$ (0.18)
Diluted (in dollars per share)	$ (0.31)	$ (0.18)