INCOME TAXES - Schedule of the (Provision for) Benefit From Income Taxes and the Effective Tax Rates (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
(Provision for) benefit from income taxes
Income before income taxes	$ 10,529	$ 28,869	$ 50,694	$ 58,958
Provision for income taxes	$ (11,134)	$ (11,619)	$ (28,526)	$ (20,306)
Effective Income Tax Rate Reconciliation, Percent	105.75%	40.25%	56.27%	34.44%
U.S. statutory federal income tax rate	35.00%	35.00%	35.00%	35.00%
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 87,400		$ 87,400		$ 88,100