Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Income Statement [Abstract]
Revenues, net	$ 691,741	$ 734,375
Operating expenses:
Technical and operating (excluding depreciation and amortization)	280,572	344,060
Selling, general and administrative	191,535	184,649
Depreciation and amortization	25,246	26,730
Impairment and other charges	16,055	0
Restructuring and other related charges	8,625	5,966
Total operating expenses	522,033	561,405
Operating income	169,708	172,970
Other income (expense):
Interest expense	(34,742)	(37,564)
Interest income	2,342	4,555
Loss on extinguishment of debt	(22,074)	(2,908)
Miscellaneous, net	5,406	(29,939)
Total other expense	(49,068)	(65,856)
Income from operations before income taxes	120,640	107,114
Income tax expense	(25,915)	(33,588)
Net income including noncontrolling interests	94,725	73,526
Net income attributable to noncontrolling interests	(7,704)	(4,859)
Net income attributable to AMC Networks' stockholders	$ 87,021	$ 68,667
Net income per share attributable to AMC Networks' stockholders:
Basic (in dollars per share)	$ 2.08	$ 1.24
Diluted (in dollars per share)	$ 2.02	$ 1.22
Weighted average common shares:
Basic (in shares)	41,930	55,477
Diluted (in shares)	43,171	56,061