INCOME TAXES - Components of the Provision for income taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Deferred Taxes:
Deferred taxes (benefit)	$ (154,219)	$ (342,056)	$ (260,419)	$ (570,795)
Total income tax expense (benefits)	$ (154,219)	$ (342,056)	$ (260,419)	$ (570,795)
Combined Federal and State effective income tax rate	36.30%	36.30%	36.30%	36.00%