Income taxes - Components of Loss Before Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
United States	$ 20,713	$ 29,108	$ 331,447
Foreign	(37,153)	(115,052)	(10,476)
Income (loss) before provision for income taxes	$ (16,440)	$ (85,944)	$ 320,971