Income taxes - Schedule of components of income before income taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Contingency [Line Items]
Loss before income taxes	$ (99,178)	$ (106,420)	$ (16,007)
United States [Member]
Income Tax Contingency [Line Items]
Loss before income taxes	(98,462)	(106,467)	(16,269)
Foreign [Member]
Income Tax Contingency [Line Items]
Loss before income taxes	$ (716)	$ 47	$ 262