EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Numerator
Net loss	$ (640,161)	$ (62,229)	$ (765,216)	$ (126,324)
Denominator
Basic and diluted	157,605	153,550	156,266	153,327
Basic and diluted (per share)	$ (4.06)	$ (0.41)	$ (4.90)	$ (0.82)