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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Summary of Significant Accounting Policies (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Gross Versus Net Revenue Recognition [Abstract]      
Franchise fees and certain other taxes and fees included as component of net revenue $ 178,630cvc_FranchiseFeesandCertainOtherTaxesandFees $ 157,818cvc_FranchiseFeesandCertainOtherTaxesandFees $ 150,695cvc_FranchiseFeesandCertainOtherTaxesandFees
Advertising Expenses [Abstract]      
Advertising expenses $ 156,228us-gaap_AdvertisingExpense $ 140,779us-gaap_AdvertisingExpense $ 157,783us-gaap_AdvertisingExpense
Share-Based Compensation [Abstract]      
Vesting percentage of restricted stock units granted to non-employee directors (in hundredths) 100.00%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage