STOCKHOLDERS' DEFICIT - Securities Purchase Agreement (Details) - USD ($) $ / shares in Units, $ in Thousands				12 Months Ended
	Jul. 31, 2015	May 11, 2015	Mar. 09, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Jun. 30, 2015	Mar. 31, 2010
Class of Stock [Line Items]
Warrants, exercise price (in USD per share)								$ 10.00
Net proceeds used to repay credit facility				$ 64,000	$ 193,663	$ 279,703
Percentage of proceeds used to repay debt				77.00%
Financial instruments:
Series A Preferred Stock			$ 59,355
PIPE Warrants			3,145
Total Investment	$ 1,100		$ 62,500
Revolving Credit Facility | Credit Facility
Class of Stock [Line Items]
Net proceeds used to repay credit facility				$ 45,300
Class A Warrants
Class of Stock [Line Items]
Warrants outstanding (in shares)	31,025		1,800,000
Price of Warrants (in USD per share)							$ 5.17
Warrants, exercise price (in USD per share)			$ 5.17
Class B Warrants
Class of Stock [Line Items]
Preferred stock offering price (in USD per share)	$ 100
Warrants outstanding (in shares)	31,025		1,800,000
Warrants, exercise price (in USD per share)			$ 6.45				$ 6.45
2015 Warrants
Class of Stock [Line Items]
Proceeds from modification of warrant terms			$ 500
Financial instruments:
Fair value assumptions, volatility (as a percent)			55.00%
Fair value assumptions, risk free interest rate (as a percent)			0.92%
Class A Warrants Prior to Addendum
Class of Stock [Line Items]
Warrants, exercise price (in USD per share)			$ 5.295
Class B Warrants Prior to Addendum
Class of Stock [Line Items]
Warrants, exercise price (in USD per share)			$ 6.595
Series A Preferred Stock
Class of Stock [Line Items]
Convertible preferred stock series, shares issued (in shares)	10,822		625,000
Preferred stock offering price (in USD per share)			$ 100
Price of Warrants (in USD per share)			$ 5.17
Cap on ownership after conversion, percent		19.99%
Financial instruments:
Fair value assumptions, volatility (as a percent)			55.00%
Fair value assumptions, risk free interest rate (as a percent)			0.92%
Fair value assumptions, dividend yield (as a percent)			11.50%