Net loss per share - Schedule of Computation of Basic and Diluted Net 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	$ (68,455)	$ (110,086)	$ (141,301)
Denominator:
Weighted-average shares used to compute net loss per share, basic (in shares)	128,019,692	124,935,620	120,720,972
Weighted-average shares used to compute net loss per share, diluted (in shares)	128,019,692	124,935,620	120,720,972
Net loss per share, basic (in dollars per share)	$ (0.53)	$ (0.88)	$ (1.17)
Net loss per share, diluted (in dollars per share)	$ (0.53)	$ (0.88)	$ (1.17)