Net loss per share - Summary of Net Earnings (Loss) per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Numerator:
Net loss	$ (31,814)	$ (25,735)	$ (50,153)	$ (70,279)
Weighted-average shares used in computing net loss per share
Basic (in shares)	152,987,927	148,071,315	154,779,176	146,910,959
Diluted (in shares)	152,987,927	148,071,315	154,779,176	146,910,959
Net loss per share
Basic (in dollars per share)	$ (0.21)	$ (0.17)	$ (0.32)	$ (0.48)
Diluted (in dollars per share)	$ (0.21)	$ (0.17)	$ (0.32)	$ (0.48)