INTANGIBLE ASSETS - SCHEDULE OF FINITE-LIVED INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 603,400	$ 603,400
Accumulated amortization	(443,664)	(334,346)
Net	159,736	269,054
Goodwill changes	0
Subscriber relationships and contracts [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	221,400	221,400
Accumulated amortization	(199,245)	(155,112)
Net	22,155	66,288
Core technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	247,300	247,300
Accumulated amortization	(197,582)	(147,713)
Net	49,718	99,587
Trademarks and trade names [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	118,170	118,170
Accumulated amortization	(36,353)	(24,390)
Net	81,817	93,780
Other intangible assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	16,530	16,530
Accumulated amortization	(10,484)	(7,131)
Net	$ 6,046	$ 9,399