Condensed Consolidating Financial Information Condensed Consolidating Financial Information (Comprehensive Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Condensed Financial Statements, Captions [Line Items]
Net income including noncontrolling interests	$ 81,637	$ 53,103	$ 58,448	$ 71,237	$ 34,962	$ 57,950	$ 135,731	$ 61,517	$ 264,425	$ 290,160	$ 136,530
Foreign currency translation adjustment									(74,758)	0	0
Unrealized gain on interest rate swaps									4,320	6,262	5,693
Other comprehensive (loss) income, before income taxes									(70,438)	6,262
Income tax expense									(4,315)	(2,311)
Other comprehensive (loss) income, net of income taxes									(74,753)	3,951	3,581
Comprehensive income									189,672	294,111	140,111
Comprehensive (income) loss attributable to noncontrolling interests									(1,304)	578	0
Comprehensive income attributable to AMC Networks’ stockholders									188,368	294,689	140,111
Consolidation, Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Net income including noncontrolling interests									(552,433)
Foreign currency translation adjustment									81,980
Unrealized gain on interest rate swaps									0
Other comprehensive (loss) income, before income taxes									81,980
Income tax expense									0
Other comprehensive (loss) income, net of income taxes									81,980
Comprehensive income									(470,453)
Comprehensive (income) loss attributable to noncontrolling interests									0
Comprehensive income attributable to AMC Networks’ stockholders									(470,453)
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Net income including noncontrolling interests									260,797
Foreign currency translation adjustment									(81,980)
Unrealized gain on interest rate swaps									4,320
Other comprehensive (loss) income, before income taxes									(77,660)
Income tax expense									(4,315)
Other comprehensive (loss) income, net of income taxes									(81,975)
Comprehensive income									178,822
Comprehensive (income) loss attributable to noncontrolling interests									0
Comprehensive income attributable to AMC Networks’ stockholders									178,822
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net income including noncontrolling interests									552,836
Foreign currency translation adjustment									(81,980)
Unrealized gain on interest rate swaps									0
Other comprehensive (loss) income, before income taxes									(81,980)
Income tax expense									0
Other comprehensive (loss) income, net of income taxes									(81,980)
Comprehensive income									470,856
Comprehensive (income) loss attributable to noncontrolling interests									0
Comprehensive income attributable to AMC Networks’ stockholders									470,856
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net income including noncontrolling interests									3,225
Foreign currency translation adjustment									7,222
Unrealized gain on interest rate swaps									0
Other comprehensive (loss) income, before income taxes									7,222
Income tax expense									0
Other comprehensive (loss) income, net of income taxes									7,222
Comprehensive income									10,447
Comprehensive (income) loss attributable to noncontrolling interests									(1,304)
Comprehensive income attributable to AMC Networks’ stockholders									$ 9,143