Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Statement of Comprehensive Income [Abstract]
Net income (loss) including noncontrolling interest	$ 116,660	$ 90,836	$ 387,528	$ 341,092
Other comprehensive income (loss):
Foreign currency translation adjustment	(6,094)	15,791	(32,679)	63,475
Unrealized loss on interest rate swaps	0	(174)	0	(35)
Unrealized gain on available for sale securities	0	6,596	0	9,534
Other comprehensive income, before income taxes	(6,094)	22,213	(32,679)	72,974
Income tax expense	0	(2,363)	0	(3,495)
Other comprehensive income, net of income taxes	(6,094)	19,850	(32,679)	69,479
Comprehensive income	110,566	110,686	354,849	410,571
Comprehensive income attributable to noncontrolling interests	(5,218)	(4,633)	(11,954)	(17,997)
Comprehensive income attributable to AMC Networks' stockholders	$ 105,348	$ 106,053	$ 342,895	$ 392,574