Equity Plans	3 Months Ended
Mar. 31, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Equity And Long-Term Incentive Plans	Equity Plans On March 7, 2014, AMC Networks granted 472,445 restricted stock units to certain executive officers and employees under the AMC Networks Inc. Amended and Restated 2011 Employee Stock Plan. 403,940 of such restricted stock units vest on the third anniversary of the grant date and 68,505 of such restricted stock units vest in equal annual installments over a three-year period. The vesting criteria for 121,944 restricted stock units include the achievement of certain performance targets by the Company. During the three months ended March 31, 2014, 566,328 restricted shares of AMC Networks Class A common stock previously issued to employees of Cablevision and the Company vested. In connection with the employees’ satisfaction of the statutory minimum tax withholding obligations for the applicable income and other employment taxes, 230,989 of these shares, with an aggregate value of $17,804, were surrendered to the Company. These acquired shares, as well as 6,503 forfeited unvested restricted shares, have been classified as treasury stock. Share-based compensation expense included in selling, general and administrative expense, for the three months ended March 31, 2014 and 2013 was $5,080 and $4,337, respectively. As of March 31, 2014, there was $56,501 of total unrecognized share-based compensation cost related to Company employees who held unvested AMC Networks restricted shares/units. The unrecognized compensation cost is expected to be recognized over a weighted-average remaining period of approximately 2.4 years.

Equity Plans

3 Months Ended

Mar. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Equity Plans

On March 7, 2014, AMC Networks granted 472,445 restricted stock units to certain executive officers and employees under the AMC Networks Inc. Amended and Restated 2011 Employee Stock Plan. 403,940 of such restricted stock units vest on the third anniversary of the grant date and 68,505 of such restricted stock units vest in equal annual installments over a three-year period. The vesting criteria for 121,944 restricted stock units include the achievement of certain performance targets by the Company.

During the three months ended March 31, 2014, 566,328 restricted shares of AMC Networks Class A common stock previously issued to employees of Cablevision and the Company vested. In connection with the employees’ satisfaction of the statutory minimum tax withholding obligations for the applicable income and other employment taxes, 230,989 of these shares, with an aggregate value of $17,804, were surrendered to the Company. These acquired shares, as well as 6,503 forfeited unvested restricted shares, have been classified as treasury stock.

Share-based compensation expense included in selling, general and administrative expense, for the three months ended March 31, 2014 and 2013 was $5,080 and $4,337, respectively.

As of March 31, 2014, there was $56,501 of total unrecognized share-based compensation cost related to Company employees who held unvested AMC Networks restricted shares/units. The unrecognized compensation cost is expected to be recognized over a weighted-average remaining period of approximately 2.4 years.