DERIVATIVE CONTRACTS AND COLLATERALIZED INDEBTEDNESS, Impact and Location of Derivative Instruments within Consolidated Statements of Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Prepaid forward contracts | Gain on Equity Derivative Contracts, Net | Designated as Hedging Instruments
Derivative Instruments, Gain (Loss) Recognized in Income [Abstract]
Amount of gain (loss) recognized	$ (22,693)	$ (32,613)	$ 23,473	$ 6,036