RELATED PARTY TRANSACTIONS (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Related Party Transaction [Line Items]
Programming liabilities	$ 19,839		$ 19,839		$ 18,959
Other accounts payable and accrued liabilities	112		112		192
Accrued interest payable	7,935		7,935		9,588
Other non-current liabilities	$ 87,103		$ 87,103		68,758
Time Warner [Member]
Related Party Transaction [Line Items]
Ownership percentage, related party	46.60%		46.60%
Purchases of programming	$ 5,354	$ 4,750	$ 11,091	$ 11,446
Interest expense	16,497	$ 23,994	34,751	$ 65,499
Programming liabilities	19,839		19,839		18,959
Accrued interest payable	7,935		7,935		9,588
Other non-current liabilities	60,004		60,004		44,397
Accounts Payable [Member] | Time Warner [Member]
Related Party Transaction [Line Items]
Other accounts payable and accrued liabilities	$ 112		$ 112		$ 192