Net (loss) income attributable to common stockholders per share - Schedule of Computation of the Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2025	Sep. 30, 2024
Numerator
Net (loss) income	$ (5,478)	$ (5,583)	$ (11,402)	$ 941	$ (10,434)	$ (6,169)	$ (22,463)	$ (15,663)
Denominator
Weighted-average common shares outstanding, basic (in shares)	127,547,859			131,003,744			127,604,317	131,121,301
Effect of employee stock plans (in shares)	0			1,781,808			0	0
Weighted-average common shares outstanding, diluted (in shares)	127,547,859			132,785,552			127,604,317	131,121,301
Net (loss) income per share, basic (in dollars per share)	$ (0.04)			$ 0.01			$ (0.18)	$ (0.12)
Net (loss) income per share, diluted (in dollars per share)	$ (0.04)			$ 0.01			$ (0.18)	$ (0.12)