Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement [Abstract]
Revenues, net	$ 810,766	$ 654,015	$ 2,273,899	$ 2,034,681
Operating expenses:
Technical and operating (excluding depreciation and amortization)	378,264	333,816	997,677	960,379
Selling, general and administrative	220,011	148,769	610,164	488,581
Depreciation and amortization	23,411	27,547	71,261	80,182
Impairment and other charges	0	0	158,973	130,411
Restructuring and other related charges	754	4,406	9,534	13,879
Total operating expenses	622,440	514,538	1,847,609	1,673,432
Operating income	188,326	139,477	426,290	361,249
Other income (expense):
Interest expense	(31,413)	(33,418)	(97,674)	(105,283)
Interest income	2,264	2,994	7,614	11,276
Loss on extinguishment of debt	0	0	(22,074)	(2,908)
Miscellaneous, net	54	11,138	19,634	(10,088)
Total other expense	(29,095)	(19,286)	(92,500)	(107,003)
Income from operations before income taxes	159,231	120,191	333,790	254,246
Income tax expense	(40,744)	(52,195)	(77,980)	(95,490)
Net income including noncontrolling interests	118,487	67,996	255,810	158,756
Net income attributable to noncontrolling interests	(7,836)	(6,356)	(22,253)	(13,488)
Net income attributable to AMC Networks' stockholders	$ 110,651	$ 61,640	$ 233,557	$ 145,268
Net income per share attributable to AMC Networks' stockholders:
Basic (in dollars per share)	$ 2.60	$ 1.18	$ 5.52	$ 2.72
Diluted (in dollars per share)	$ 2.55	$ 1.17	$ 5.39	$ 2.69
Weighted average common shares:
Basic (in shares)	42,506	52,346	42,308	53,374
Diluted (in shares)	43,440	52,904	43,332	53,917