BUSINESS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	1 Months Ended
Mar. 31, 2013 Segment	Feb. 28, 2013 Bresnan Cable [Member]
BUSINESS [Abstract]
Number of reportable business segments	2
Business Acquisition [Line Items]
Cash selling price for sale of entity		$ 1,625,000
Minimum percentage of video customers to obtain franchise approvals (in hundredths)		80.00%

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

No definition available.

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration