Document And Entity Information - shares	9 Months Ended
	Sep. 30, 2015	Oct. 31, 2015
Entity Registrant Name	AMC Networks Inc.
Entity Central Index Key	0001514991
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Sep. 30, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q3
Amendment Flag	false
Common Class A [Member]
Entity Common Stock, Shares Outstanding		60,904,498
Common Class B [Member]
Entity Common Stock, Shares Outstanding		11,484,408