RELATED PARTY TRANSACTIONS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenues and Charges (Credits) Related to Services Provided to or Received from Related Parties [Abstract]
Revenues, net	$ 5,343	$ 5,075	$ 5,586
Operating expenses:
Technical expenses	176,909	179,144	178,991
Selling, general and administrative credits, net	5,372	3,878	2,986
Transactions Due from and Due to AMC Networks, Madison Garden and Other Affiliates [Abstract]
Amounts due from affiliates	767	1,732
Amounts due to affiliates	29,729	29,651
CSC Holdings, LLC
Revenues and Charges (Credits) Related to Services Provided to or Received from Related Parties [Abstract]
Revenues, net	5,343	5,075	5,586
Operating expenses:
Technical expenses	176,909	179,144	178,991
Selling, general and administrative credits, net	5,372	3,878	2,986
Transactions Due from and Due to AMC Networks, Madison Garden and Other Affiliates [Abstract]
Amounts due from affiliates	748	1,694
Amounts due to affiliates	287,093	135,636
AMC Networks
Revenues and Charges (Credits) Related to Services Provided to or Received from Related Parties [Abstract]
Revenues, net	1,474	1,841	2,483
Operating expenses:
Technical expenses	22,159	21,785	22,963
Selling, general and administrative credits, net	(563)	(584)	(1,865)
Operating expenses, net	21,596	21,201	21,098
Net charges	20,122	19,360	18,615
Madison Square Garden and MSG Networks [Member]
Revenues and Charges (Credits) Related to Services Provided to or Received from Related Parties [Abstract]
Revenues, net	3,869	3,234	3,103
Operating expenses:
Technical expenses	154,750	157,359	156,028
Selling, general and administrative credits, net	5,935	4,462	4,851
Operating expenses, net	160,685	161,821	160,879
Net charges	$ 156,816	$ 158,587	$ 157,776