Condensed Consolidating Financial Information Condensed Consolidating Financial Information (Income Statement) (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 Income Statements, Captions [Line Items]
Revenues, net	$ 609,444	$ 519,550	$ 522,093	$ 524,554	$ 435,247	$ 395,328	$ 379,322	$ 381,961	$ 2,175,641	$ 1,591,858	$ 1,352,577
Technical and operating									983,575	662,233	507,436
Selling, general and administrative									560,950	425,735	396,926
Restructuring expense (credit)									15,715	0	(3)
Depreciation and amortization									69,048	54,667	85,380
Total Operating Expenses	450,428	409,321	392,618	376,921	350,275	272,941	131,998	254,477	1,629,288	1,009,691	989,739
Operating income	159,016	110,229	129,475	147,633	84,972	122,387	247,324	127,484	546,353	582,167	362,838
Interest expense, net									(128,829)
Share of affiliates income									0
Miscellaneous, net									(20,496)	6,969	(652)
Total nonoperating income (expense)									(149,325)	(113,166)	(140,564)
Income from continuing operations before income taxes									397,028	469,001	222,274
Income tax (expense) benefit									(129,155)	(178,841)	(86,058)
Income from continuing operations	81,637	54,069	60,180	71,987	34,962	57,950	135,731	61,517	267,873	290,160	136,216
Loss from discontinued operations, net of income taxes	0	(966)	(1,732)	(750)					(3,448)	0	314
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
Net (income) loss attributable to noncontrolling interests									(3,628)	578	0
Net income attributable to AMC Networks’ stockholders	77,615	53,160	58,655	71,367	35,379	58,111	135,731	61,517	260,797	290,738	136,530
Consolidation, Eliminations [Member]
Condensed Income Statements, Captions [Line Items]
Revenues, net									0
Technical and operating									(54)
Selling, general and administrative									22
Restructuring expense (credit)									0
Depreciation and amortization									0
Total Operating Expenses									(32)
Operating income									32
Interest expense, net									0
Share of affiliates income									(552,433)
Miscellaneous, net									(32)
Total nonoperating income (expense)									(552,465)
Income from continuing operations before income taxes									(552,433)
Income tax (expense) benefit									0
Income from continuing operations									(552,433)
Loss from discontinued operations, net of income taxes									0
Net income including noncontrolling interests									(552,433)
Net (income) loss attributable to noncontrolling interests									0
Net income attributable to AMC Networks’ stockholders									(552,433)
Parent Company [Member]
Condensed Income Statements, Captions [Line Items]
Revenues, net									0
Technical and operating									0
Selling, general and administrative									0
Restructuring expense (credit)									0
Depreciation and amortization									0
Total Operating Expenses									0
Operating income									0
Interest expense, net									(79,150)
Share of affiliates income									552,836
Miscellaneous, net									(84,539)
Total nonoperating income (expense)									389,147
Income from continuing operations before income taxes									389,147
Income tax (expense) benefit									(128,350)
Income from continuing operations									260,797
Loss from discontinued operations, net of income taxes									0
Net income including noncontrolling interests									260,797
Net (income) loss attributable to noncontrolling interests									0
Net income attributable to AMC Networks’ stockholders									260,797
Guarantor Subsidiaries [Member]
Condensed Income Statements, Captions [Line Items]
Revenues, net									1,780,806
Technical and operating									768,040
Selling, general and administrative									451,891
Restructuring expense (credit)									6,527
Depreciation and amortization									34,482
Total Operating Expenses									1,260,940
Operating income									519,866
Interest expense, net									(43,608)
Share of affiliates income									(403)
Miscellaneous, net									74,176
Total nonoperating income (expense)									30,165
Income from continuing operations before income taxes									550,031
Income tax (expense) benefit									2,805
Income from continuing operations									552,836
Loss from discontinued operations, net of income taxes									0
Net income including noncontrolling interests									552,836
Net (income) loss attributable to noncontrolling interests									0
Net income attributable to AMC Networks’ stockholders									552,836
Non-Guarantor Subsidiaries [Member]
Condensed Income Statements, Captions [Line Items]
Revenues, net									394,835
Technical and operating									215,589
Selling, general and administrative									109,037
Restructuring expense (credit)									9,188
Depreciation and amortization									34,566
Total Operating Expenses									368,380
Operating income									26,455
Interest expense, net									(6,071)
Share of affiliates income									0
Miscellaneous, net									(10,101)
Total nonoperating income (expense)									(16,172)
Income from continuing operations before income taxes									10,283
Income tax (expense) benefit									(3,610)
Income from continuing operations									6,673
Loss from discontinued operations, net of income taxes									(3,448)
Net income including noncontrolling interests									3,225
Net (income) loss attributable to noncontrolling interests									(3,628)
Net income attributable to AMC Networks’ stockholders									$ (403)