Program Rights (Amortization of Owned and Licensed Program Rights) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2020
Owned original program rights
Predominantly Monetized Individually	$ 62,229	$ 161,271
Predominantly Monetized as a Group	9,458	15,977
Total	71,687	177,248
Licensed program rights
Predominantly Monetized Individually	19,910	41,262
Predominantly Monetized as a Group	99,678	196,745
Total	119,588	238,007
Predominantly Monetized Individually	82,139	202,533
Predominantly Monetized as a Group	109,136	212,722
Total	$ 191,275	$ 415,255