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STOCK-BASED COMPENSATION - 2014 MIP (Details) - 2014 MIP Plan $ / shares in Units, $ in Thousands			3 Months Ended		6 Months Ended
	Aug. 07, 2014 USD ($) item $ / shares shares	Jul. 09, 2014 item shares	Jun. 30, 2019 USD ($) $ / shares shares	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($) $ / shares shares	Jun. 30, 2018 USD ($)	Dec. 31, 2018 shares
Stock Awards
Aggregate number of shares of common stock available for awards | shares		966,806
Percentage of Common Stock outstanding ( In percent)		1.80%
Warrants
Stock Awards
Number of tranches | item	3
Number of tiers of MIP Warrants | item		3
Volatility rate ( as a percent)	43.91%
Volatility rate term	6 years
Risk-free interest rate ( as a percent)	1.85%
Dividend rate ( as a percent)	0.00%
Total fair value of outstanding awards upon emergence from bankruptcy | $	$ 54,436
Percentage of warrant vest for anniversaries of the grant date	33.33%
Amortization expense | $			$ 0	$ 0	$ 0	$ 0
Vesting period of awards	3 years
Weighted Average Fair Value
Number of warrants | shares			8,557,461		8,557,461
Exercisable (in dollars per share)			$ 303.12		$ 303.12
Weighted average remaining contractual life, exercisable					1 year 1 month 10 days
Additional disclosures
Warrants outstanding (in shares) | shares			8,557,461		8,557,461		8,557,461
Unrecognized compensation cost related to nonvested stock awards
Unrecognized compensation cost | $			$ 0		$ 0
Warrants | $259.10 Warrants
Stock Awards
Aggregate number of shares of common stock available for awards | shares	238,066
Exercise price per share	$ 259.10
Fair value of warrant (in dollars per share)	$ 7.22
Warrants | $287.30 Warrants
Stock Awards
Aggregate number of shares of common stock available for awards | shares	246,701
Exercise price per share	$ 287.30
Fair value of warrant (in dollars per share)	$ 6.63
Warrants | $341.90 Warrants
Stock Awards
Aggregate number of shares of common stock available for awards | shares	370,979
Exercise price per share	$ 341.90
Fair value of warrant (in dollars per share)	$ 5.63

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