Income taxes - Domestic and Foreign Components of Income (Loss) before Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Domestic	$ (155,528)	$ (80,243)	$ (77,212)
Foreign	3,939	1,400	2,741
Net loss before taxes	$ (151,589)	$ (78,843)	$ (74,471)