Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Statement [Abstract]
Revenues, net	$ 771,392	$ 646,291	$ 1,463,133	$ 1,380,666
Operating expenses:
Technical and operating (excluding depreciation and amortization)	338,841	282,503	619,413	626,563
Selling, general and administrative	198,618	155,163	390,153	339,812
Depreciation and amortization	22,604	25,905	47,850	52,635
Impairment and other charges	142,918	130,411	158,973	130,411
Restructuring and other related charges	155	3,507	8,780	9,473
Total operating expenses	703,136	597,489	1,225,169	1,158,894
Operating income	68,256	48,802	237,964	221,772
Other income (expense):
Interest expense	(31,519)	(34,301)	(66,261)	(71,865)
Interest income	3,008	3,727	5,350	8,282
Loss on extinguishment of debt	0	0	(22,074)	(2,908)
Miscellaneous, net	14,174	8,713	19,580	(21,226)
Total other expense	(14,337)	(21,861)	(63,405)	(87,717)
Income from operations before income taxes	53,919	26,941	174,559	134,055
Income tax expense	(11,321)	(9,707)	(37,236)	(43,295)
Net income including noncontrolling interests	42,598	17,234	137,323	90,760
Net income attributable to noncontrolling interests	(6,713)	(2,273)	(14,417)	(7,132)
Net income attributable to AMC Networks' stockholders	$ 35,885	$ 14,961	$ 122,906	$ 83,628
Net income per share attributable to AMC Networks' stockholders:
Basic (in dollars per share)	$ 0.84	$ 0.29	$ 2.91	$ 1.55
Diluted (in dollars per share)	$ 0.83	$ 0.28	$ 2.84	$ 1.54
Weighted average common shares:
Basic (in shares)	42,481	52,311	42,207	53,894
Diluted (in shares)	43,382	52,797	43,277	54,429