EARNINGS (LOSS) PER SHARE - EPS Reconciliation (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Shares
Basic net earnings (loss) per Share (in shares)	36,683,429	34,957,134	36,601,807	31,079,053
Dilutive shares related to derivative warrants (in shares)			1,461,478
Change in fair value of derivative instruments (in shares)			0	0
Convertible Debt (in shares)			0	2,642,160
Dilutive net earnings (loss) per share (in shares)	36,683,429	34,957,134	38,063,285	34,827,405
Net Income
Basic net earnings (loss) per Share	$ (13,403)	$ (25,527)	$ (2,187)	$ 14,128
Change in fair value of derivative instruments				0
Convertible debt			0	1,035
Dilutive net earnings (loss) per share	$ (13,403)	$ (25,527)	$ (7,464)	$ 15,163
Basic Earnings per Share, EPS (in dollars per share)	$ (0.37)	$ (0.73)	$ (0.06)	$ 0.45
Diluted Earnings per Share, EPS (in dollars per share)	$ (0.37)	$ (0.73)	$ (0.20)	$ 0.44
Restricted stock units
Shares
Dilutive securities (in shares)			0	292,027
Net Income
Dilutive securities			$ 0	$ 0
Stock Options
Shares
Dilutive securities (in shares)			0	814,165
Net Income
Dilutive securities			$ 0	$ 0
Warrant
Shares
Dilutive shares related to derivative warrants (in shares)				0
Net Income
Dilutive securities			0	$ 0
Change in fair value of derivative instruments			$ (5,277)