STOCKHOLDERS' EQUITY AND ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Noncontrolling Interest (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Noncontrolling Interest [Line Items]
Noncontrolling interest acquired		$ 15,300
Noncontrolling interest, ownership percentage by noncontrolling owners (percent)		21.00%
Noncontrolling interest, increase in ownership percentage (percent)		15.00%
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance	$ 15,261
Net loss allocated to noncontrolling interest	(208,767)	$ (173,180)	$ (8,127)
Distributions to noncontrolling interest	797
Other	0
Ending balance	732	15,261
Noncontrolling Interest [Member]
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Change in Parent's ownership	(8,279)
Net loss allocated to noncontrolling interest	(5,453)	$ (921)	$ (3,430)
Distributions to noncontrolling interest	$ 797