Income taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Tax Disclosure [Abstract]
Loss before income tax benefit (provision)	$ (32,833)	$ (31,213)	$ (91,529)	$ (119,749)
Income tax benefit (provision)	$ 556	$ (89)	$ (1,147)	$ (321)
Effective tax rate	1.70%	(0.30%)	(1.30%)	(0.30%)