EARNINGS PER SHARE - Computation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Earnings Per Share [Abstract]
Loss from continuing operations		$ (28,334)	$ (209,836)	$ (78,099)	$ (326,773)
Loss from discontinued operations, net of tax		694	(55,932)	694	(59,428)
Net loss attributable to stockholders		$ (27,640)	$ (265,768)	$ (77,405)	$ (386,201)
Weighted average shares used to calculate basic and diluted earnings per share (in shares)	[1]	18,366	13,616	18,362	9,235
Basic and diluted loss per share - continuing operations (in dollars per share)		$ (1.54)	$ (15.41)	$ (4.26)	$ (35.39)
Basic and diluted earnings (loss) per share - discontinued operations (in dollars per share)		0.04	(4.11)	0.04	(6.43)
Basic and diluted loss per share (in dollars per share)		$ (1.50)	$ (19.52)	$ (4.22)	$ (41.82)

[1] Basic and diluted shares reflect the bonus element for the 2019 Rights Offering on July 23, 2019 as described in Note 2 and the one-for-ten reverse stock split on July 24, 2019 as described in Note 1.