ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details 2)-K (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Reclassifications out of accumulated other comprehensive income (loss)
Provision for income taxes									$ (62,960)	$ (9,570)	$ (6,887)
Net loss	31,929	45,615	(14,733)	(86,331)	18,538	7,433	(76,496)	(23,170)	(23,520)	(73,695)	(127,543)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Interest Rate Swap [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassifications out of accumulated other comprehensive income (loss)
Interest expense									(2,502)	(967)
Provision for income taxes									307	(269)
Net loss									$ (2,195)	$ (1,236)