Goodwill and Other Intangible Assets (Schedule of Finite and Indefinite-Lived Intangible Assets) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Gross	$ 774,429	$ 806,976
Accumulated Amortization	(434,145)	(427,442)
Net	340,284	379,534
Trademarks	19,900	19,900
Total intangible assets, gross	794,329	826,876
Total intangible assets, net	360,184	399,434
Affiliate and customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross	622,495	649,543
Accumulated Amortization	(357,809)	(354,673)
Net	$ 264,686	294,870
Affiliate and customer relationships | Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives (in years)	6 years
Affiliate and customer relationships | Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives (in years)	25 years
Advertiser relationships
Finite-Lived Intangible Assets [Line Items]
Gross	$ 46,282	46,282
Accumulated Amortization	(33,391)	(30,235)
Net	$ 12,891	16,047
Estimated useful lives (in years)	11 years
Trade names and other amortizable intangible assets
Finite-Lived Intangible Assets [Line Items]
Gross	$ 105,652	111,151
Accumulated Amortization	(42,945)	(42,534)
Net	$ 62,707	$ 68,617
Trade names and other amortizable intangible assets | Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives (in years)	3 years
Trade names and other amortizable intangible assets | Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives (in years)	20 years