Net loss per share - Summary of Net Earnings (Loss) per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Numerator:
Net loss	$ (18,339)	$ (44,544)
Net loss	$ (18,339)	$ (44,544)
Weighted-average shares used in computing net loss per share
Basic (in shares)	156,570,426	145,737,709
Diluted (in shares)	156,570,426	145,737,709
Net loss per share
Basic (in dollars per share)	$ (0.12)	$ (0.31)
Diluted (in dollars per share)	$ (0.12)	$ (0.31)