Loss Per Share - Computation of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Numerator:
Net loss attributable to ordinary shareholders - basic	$ (69,152)	$ (161,190)	$ (239,191)	$ (381,517)
Net loss attributable to ordinary shareholders - diluted	$ (69,152)	$ (161,190)	$ (239,191)	$ (381,517)
Denominator:
Weighted average number of ordinary shares - basic (in shares)	968,767,730	959,085,960	965,060,570	957,439,910
Weighted average number of ordinary shares - diluted (in shares)	968,767,730	959,085,960	965,060,570	957,439,910
Net loss per share - basic (in dollars per share)	$ (0.07)	$ (0.17)	$ (0.25)	$ (0.40)
Net loss per share - diluted (in dollars per share)	$ (0.07)	$ (0.17)	$ (0.25)	$ (0.40)