INCOME TAXES (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Income tax benefit (provision)	$ 11,968	$ (29,889)	$ 5,788	$ (51,274)
Effective tax rate (as a percent)		251.00%		76.00%
Federal statutory rate (as a percent)	35.00%	35.00%		35.00%
Interest on income tax benefit (provision)	$ 100		200
Accrued interest on unrecognized tax benefits	2,200		2,200		$ 2,800
Accrued penalties on unrecognized tax benefits	2,300		2,300		2,900
Total unrecognized tax benefits including interest	25,900		25,900		$ 33,200
Unrecognized tax benefit, if recognized would reduce income tax expense for continuing operations	23,900		23,900
Change in unrecognized tax benefit	$ 3,400		$ 3,400