EARNINGS PER SHARE - (Information Related to EPS Calculation) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Numerator:
Net income (loss)	$ 6,970	$ 50,585	$ 150,735	$ (55,374)
Net income attributable to noncontrolling interests		(12)		(12)
Net income (loss) attributable to common stockholders	$ 6,970	$ 50,573	$ 150,735	$ (55,386)
Denominator:
Weighted average basic common shares outstanding	39,492	39,468	39,483	39,467
Numerator:
Net Income (Loss) Available to Common Stockholders, Basic	$ 6,970	$ 50,573	$ 150,735	$ (55,386)
Less: Warrant Liability Gain		(42,620)
Adjusted net income (loss) attributable to common stockholders	$ 6,970	$ 7,953	$ 150,735	$ (55,386)
Denominator:
Weighted average basic common shares outstanding	39,492	39,468	39,483	39,467
Restricted stock and stock options (in shares)	337	438	324
Warrants (in shares)	2,835	3,291	2,835
Weighted average diluted common shares outstanding	42,664	43,197	42,642	39,467
Basic income (loss) per share: (in dollars per share)	$ 0.18	$ 1.28	$ 3.82	$ (1.40)
Diluted income (loss) per share: (in dollars per share)	$ 0.16	$ 0.18	$ 3.53	$ (1.40)