Net loss per share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Numerator:
Net loss attributable to common stockholders	$ (17,667)	$ (19,819)	$ (37,494)	$ (34,045)
Denominator:
Weighted-average number of common shares outstanding, basic (in shares)	67,716	67,381	67,716	66,716
Weighted-average number of common shares outstanding, diluted (in shares)	67,716	67,381	67,716	66,716
Net loss per share attributable to common stockholders, basic (in dollars per share)	$ (0.26)	$ (0.29)	$ (0.55)	$ (0.51)
Net loss per share attributable to common stockholders, diluted (in dollars per share)	$ (0.26)	$ (0.29)	$ (0.55)	$ (0.51)