Goodwill and Other Intangible Assets (Schedule of Finite and Indefinite-Lived Intangible Assets) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Gross	$ 785,248	$ 785,620
Accumulated Amortization	(504,385)	(450,844)
Net	280,863	334,776
Trademarks	19,900	19,900
Total intangible assets, gross	805,148	805,520
Total intangible assets, net	300,763	354,676
Affiliate and customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross	633,525	634,000
Accumulated Amortization	(410,571)	(373,240)
Net	$ 222,954	260,760
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	(37,598)	(34,443)
Net	$ 8,684	11,839
Estimated useful lives (in years)	11 years
Trade names and other amortizable intangible assets
Finite-Lived Intangible Assets [Line Items]
Gross	$ 105,441	105,338
Accumulated Amortization	(56,216)	(43,161)
Net	$ 49,225	$ 62,177
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