WARRANTS AND SHAREHOLDERS' EQUITY - Changes in fair value of warrant liabilities (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
WARRANTS.
Fair value at beginning of period			$ 25,914	$ 59,877
Change in fair value of Warrants	$ (13,586)	$ (12,831)	(13,334)	(44,027)
Fair value at end of period	$ 12,580	$ 15,850	$ 12,580	$ 15,850