EARNINGS PER SHARE - (Information Related to EPS Calculation) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Numerator:
Net income	$ 7,996	$ 156,212	$ 158,731	$ 100,838
Net (income) loss attributable to noncontrolling interests	(23)	12	(23)
Net income attributable to common stockholders	$ 7,973	$ 156,224	$ 158,708	$ 100,838
Denominator:
Weighted average basic common shares outstanding	39,502	39,473	39,489	39,469
Numerator:
Net income attributable to common stockholders	$ 7,973	$ 156,224	$ 158,708	$ 100,838
Less: Warrant Liability Gain		(123,640)		(57,450)
Adjusted net income attributable to common stockholders	$ 7,973	$ 32,584	$ 158,708	$ 43,388
Denominator:
Weighted average basic common shares outstanding	39,502	39,473	39,489	39,469
Restricted stock and stock options (in shares)	366	405	338	415
Warrants (in shares)	2,892	3,035	2,892	3,035
Weighted average diluted common shares outstanding	42,760	42,913	42,719	42,919
Basic income per share: (in dollars per share)	$ 0.20	$ 3.96	$ 4.02	$ 2.55
Diluted income per share: (in dollars per share)	$ 0.19	$ 0.76	$ 3.72	$ 1.01