Unaudited Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net loss	$ (69,152)	$ (161,190)	$ (239,191)	$ (381,517)
Other comprehensive income, net of tax of nil:
Foreign currency translation adjustments	(4,228)	35,062	22,267	63,194
Comprehensive loss	$ (73,380)	$ (126,128)	$ (216,924)	$ (318,323)