NET LOSS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Numerator for basic and diluted net loss per share:
Net loss	$ (69,944)	$ (59,108)
Weighted-average shares basic	312,016,627	238,243,779
Weighted-average shares diluted	312,016,627	238,243,779
Net loss per share-Basic	$ (0.22)	$ (0.25)
Net loss per share-Diluted	$ (0.22)	$ (0.25)