Document And Entity Information - shares	3 Months Ended
	Mar. 31, 2018	May 04, 2018
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	Mar. 31, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q1
Amendment Flag	false
Common Class A [Member]
Entity Common Stock, Shares Outstanding		45,975,467
Common Class B [Member]
Entity Common Stock, Shares Outstanding		11,484,408