EARNINGS PER SHARE (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Numerator:
Net loss	$ (14,733)	$ (76,496)	$ (101,064)	$ (99,666)
Net income attributable to noncontrolling interests	(27)	(58)	(12)	(12)
Net loss attributable to common stockholders	(14,760)	(76,554)	(101,076)	(99,678)
Denominator:
Weighted average basic common shares outstanding	39,458	39,445	39,456	39,443
Numerator:
Net loss attributable to common stockholders	(14,760)	(76,554)	(101,076)	(99,678)
Adjusted net loss attributable to common stockholders	$ (14,760)	$ (76,554)	$ (101,076)	$ (99,678)
Denominator:
Weighted average basic common shares outstanding	39,458	39,445	39,456	39,443
Weighted average diluted common shares outstanding	39,458	39,445	39,456	39,443
Basic earnings (loss) per share: (in dollars per share)	$ (0.37)	$ (1.94)	$ (2.56)	$ (2.53)
Diluted earnings (loss) per share: (in dollars per share)	$ (0.37)	$ (1.94)	$ (2.56)	$ (2.53)