Unaudited Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net loss	$ (120,895)	$ (137,933)	$ (170,039)	$ (220,327)
Other comprehensive income, net of tax of nil:
Foreign currency translation adjustments	34,908	30,325	26,495	28,132
Comprehensive loss	$ (85,987)	$ (107,608)	$ (143,544)	$ (192,195)