RELATED PARTY TRANSACTIONS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Revenues and Charges (Credits) Related to Services Provided to or Received from Related Parties [Abstract]
Revenues, net	$ 1,191		$ 1,324
Operating expenses:
Technical expenses, net of credits	44,937		46,068
Selling, general and administrative expenses, net of credits	1,928		1,302
AMC Networks Inc. and Madison Square Garden
Revenues and Charges (Credits) Related to Services Provided to or Received from Related Parties [Abstract]
Revenues, net	1,191		1,324
Operating expenses:
Technical expenses, net of credits	44,937	[1]	46,068	[1]
Selling, general and administrative expenses, net of credits	1,928		1,302
Operating expenses, net	46,865		47,370
Net charges	$ 45,674		$ 46,046

[1] Technical expenses include primarily costs incurred by the Company for the carriage of the MSG networks and Fuse program services (2014 period only) of Madison Square Garden, as well as for AMC, WE tv, IFC, Sundance Channel and BBC America (2015 period only) of AMC Networks on the Company's cable systems. The Company also purchases certain programming signal transmission and production services from AMC Networks.