Income taxes - Domestic and Foreign Components of Income (Loss) before Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Domestic	$ (88,789)	$ (110,640)	$ (155,528)
Foreign	7,851	6,999	3,939
Net loss before taxes	$ (80,938)	$ (103,641)	$ (151,589)