CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenues, net from affiliates	$ 1,146	$ 1,280	$ 4,056	$ 4,459
Operating expenses:
Technical and operating net charges from affiliates	43,799	48,665	135,581	134,007
Selling, general and administrative net charges from (to) affiliates	126	(252)	2,442	1,124
CSC Holdings, LLC [Member]
Revenues, net from affiliates	1,146	1,280	4,056	4,459
Operating expenses:
Technical and operating net charges from affiliates	43,799	48,665	135,581	134,007
Selling, general and administrative net charges from (to) affiliates	$ 126	$ (252)	$ 2,442	$ 1,124