Debt Reclassified From Long to Short Term

No definition available.

Name:	cvc_DebtReclassifiedFromLongtoShortTerm
Namespace Prefix:	cvc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Date the declared dividend will be paid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

+ Details

Name:	us-gaap_DividendPayableDateToBePaidDayMonthAndYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_DividendsCommonStockAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The per share amount of a dividend declared, but not paid, as of the financial reporting date.

+ References

+ Details

Name:	us-gaap_DividendsPayableAmountPerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Date the dividend to be paid was declared, in CCYY-MM-DD format.

+ References

+ Details

Name:	us-gaap_DividendsPayableDateDeclaredDayMonthAndYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

Name:	us-gaap_DividendsPayableDateOfRecordDayMonthAndYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

No definition available.

+ Details

Name:	us-gaap_RepaymentsOfDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

SUBSEQUENT EVENTS (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	1 Months Ended	0 Months Ended
	Mar. 31, 2015	Apr. 30, 2015	May 01, 2015
Cablevision Dividend [Abstract]
Credit facility debt	$ 200,000cvc_DebtReclassifiedFromLongtoShortTerm
Subsequent Event
Cablevision Dividend [Abstract]
Repayments of debt		$ 200,000
Subsequent Event \| Dividend Declared 2015 Q2 \| CNYG Class A Common Stock
Cablevision Dividend [Abstract]
Dividend, declaration date			May 01, 2015
Dividend per share (in dollars per share)			$ 0.15
Dividend, payment date			Jun. 12, 2015
Dividend, record date			May 22, 2015
Subsequent Event \| Dividend Declared 2015 Q2 \| CNYG Class B Common Stock
Cablevision Dividend [Abstract]
Dividend, declaration date			May 01, 2015
Dividend per share (in dollars per share)			$ 0.15
Dividend, payment date			Jun. 12, 2015
Dividend, record date			May 22, 2015