Program Rights (Amortization of Owned and Licensed Program Rights) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($)
Owned original program rights
Predominantly Monetized Individually	$ 105,561
Predominantly Monetized as a Group	0
Total	105,561
Licensed program rights
Predominantly Monetized Individually	21,352
Predominantly Monetized as a Group	97,069
Total	118,421
Predominantly Monetized Individually	126,913
Predominantly Monetized as a Group	97,069
Total	$ 223,982