Cover - USD ($) $ in Billions	12 Months Ended
	Dec. 31, 2019	Feb. 14, 2020	Jun. 30, 2019
Entity Information [Line Items]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2019
Document Transition Report	false
Entity File Number	1-35106
Amendment Flag	false
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2019
Entity Registrant Name	AMC Networks Inc.
Entity Central Index Key	0001514991
Current Fiscal Year End Date	--12-31
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	27-5403694
Entity Address, Address Line One	11 Penn Plaza
Entity Address, City or Town	New York
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10001
City Area Code	212
Local Phone Number	324-8500
Title of 12(b) Security	Class A Common Stock, par value $0.01 per share
Trading Symbol	AMCX
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Shell Company	false
Entity Public Float			$ 2.3
Common Class A [Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		44,078,364
Common Class B [Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		11,484,408