Program Rights (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Film Cost Disclosures [Abstract]
Owned original program rights	$ 141,955amcx_OwnedOriginalProgramRightsNet
Owned original program rights expected to be amortized within three years	94.00%
Percentage of Unamortized Film Costs, Description	P3Y
Program rights expected to be paid within twelve months	88,000
Unamortized Film Costs, Description	P12M
Program rights write offs	$ 44,204amcx_ProgramRightsWriteOffs	$ 61,005amcx_ProgramRightsWriteOffs	$ 9,990amcx_ProgramRightsWriteOffs

Unamortized owned original program rights, including estimated participation and residual costs.

No definition available.

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- Definition

The write-off of unamortized costs for program rights (including feature films and episodic series, acquired under license agreements or owned original program rights).

+ References

No definition available.

+ Details

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- Definition

Unamortized Film Costs, Description

+ References

No definition available.

+ Details

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- Details

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- Definition

The amount of film costs related to completed films that are expected to be amortized during the upcoming operating cycle.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 926

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6473108&loc=d3e54406-107959

+ Details

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- Definition

The percentage of unamortized film costs for released films, excluding acquired film libraries, that it expects to amortize within three years from the date of the balance sheet.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 926

-SubTopic 20

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6473108&loc=d3e54434-107959

+ Details

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- Definition

Additional information about the amortization of films costs, including the period required to reach an amortization level of 80 percent, for unamortized film costs for released films, excluding acquired film libraries, that it expects to amortize within three years from the date of the balance sheet.

+ References

+ Details

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