Net loss per share - Summary of Net Earnings (Loss) per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Numerator:
Net loss	$ (85,288)	$ (107,294)	$ (153,875)
Weighted-average shares used in computing net loss per share
Basic (in shares)	151,320,497	150,098,776	140,873,504
Diluted (in shares)	151,320,497	150,098,776	140,873,504
Net loss per share
Basic (in dollars per share)	$ (0.56)	$ (0.71)	$ (1.09)
Diluted (in dollars per share)	$ (0.56)	$ (0.71)	$ (1.09)