CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net loss	$ 24,714	$ 23,161	$ 232,387	$ 57,358
OTHER COMPREHENSIVE LOSS (INCOME):
Net unrealized gains from marketable securities	(2)	(1)	(1)	(41)
Losses on marketable securities reclassified into net loss	2	0	6	0
Net unrealized gains on derivative financial instruments	0	(1)	0	(3)
TOTAL OTHER COMPREHENSIVE (INCOME) LOSS	0	(2)	5	(44)
TOTAL COMPREHENSIVE LOSS	$ 24,714	$ 23,159	$ 232,392	$ 57,314