Goodwill and Other Intangible Assets (Schedule of Finite and Indefinite-Lived Intangible Assets) (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]
Gross	$ 752,211	$ 756,194
Accumulated Amortization	(513,198)	(507,536)
Net	239,013	248,658
Trademarks	19,900	19,900
Total intangible assets, gross	772,111	776,094
Total intangible assets, net	258,913	268,558
Affiliate and customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross	615,455	618,778
Accumulated Amortization	(426,361)	(421,968)
Net	$ 189,094	196,810
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	(43,280)	(42,806)
Net	$ 3,002	3,476
Estimated useful lives (in years)	11 years
Trade names and other amortizable intangible assets
Finite-Lived Intangible Assets [Line Items]
Gross	$ 90,474	91,134
Accumulated Amortization	(43,557)	(42,762)
Net	$ 46,917	$ 48,372
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