INCOME TAXES (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Gross deferred tax assets	$ 340,684	$ 348,116
Valuation allowance	(29,416)	(35,541)
Deferred tax assets, net of valuation allowance	311,268	312,575
Deferred tax liabilities	41,301	40,728
Net deferred tax assets	$ 269,967	$ 271,847