EARNINGS PER SHARE (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Numerator:
Net income (loss)	$ (76,496)	$ 34,992	$ (99,666)	$ (76,532)
Net income attributable to noncontrolling interests	(58)	(682)	(12)	(1,418)
Net income (loss) attributable to common stockholders	(76,554)	34,310	(99,678)	(77,950)
Denominator:
Weighted average basic common shares outstanding	39,445	37,907	39,443	37,905
Numerator:
Net income (loss) attributable to common stockholders	(76,554)	34,310	(99,678)	(77,950)
Less: Warrant liability gain		(23,430)
Adjusted net income (loss) attributable to common stockholders	$ (76,554)	$ 10,880	$ (99,678)	$ (77,950)
Denominator:
Weighted average basic common shares outstanding	39,445	37,907	39,443	37,905
Restricted stock and stock options (in shares)		5
Warrants (in shares)		2,339		2,339
Weighted average diluted common shares outstanding	39,445	40,251	39,443	37,905
Basic earnings (loss) per share: (in dollars per share)	$ (1.94)	$ 0.91	$ (2.53)	$ (2.06)
Diluted earnings (loss) per share: (in dollars per share)	$ (1.94)	$ 0.27	$ (2.53)	$ (2.06)