AFFILIATE AND RELATED PARTY TRANSACTIONS - Revenue and Related Charges (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Related Party Transactions [Abstract]
Revenue	$ 727	$ 253	$ 852	$ 394
Operating expenses:
Programming and other direct costs	(3,865)	(1,095)	(5,019)	(1,830)
Other operating expenses, net	(6,255)	(8,666)	(14,249)	(15,964)
Operating expenses, net	(10,120)	(9,761)	(19,268)	(17,794)
Related Party Transaction, Loss on Extinguishment of Debt of Deferred Financing Costs	0	(513,723)	0	(513,723)
Interest expense	0	(42,817)	0	(90,405)
RelatedPartyTransaction,MiscExpense	149		149
Net charges	(9,244)	(566,048)	(18,267)	(621,528)
Capital Expenditures	$ 1,108	$ 8,473	$ 2,734	$ 9,365