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Goodwill and Other Intangible Assets - Narrative (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Goodwill [Line Items]    
Other intangible assets $ 1,407,909 $ 823,589
Estimated amortization expense of intangible assets for 2021 94,400  
Estimated amortization expense of intangible assets for 2022 90,800  
Estimated amortization expense of intangible assets for 2023 89,500  
Estimated amortization expense of intangible assets for 2024 87,700  
Estimated amortization expense of intangible assets for 2025 84,700  
Estimated amortization expense of intangible assets for later years 682,200  
Other intangible assets    
Goodwill [Line Items]    
Other intangible assets 130,265 104,445
FCC licenses    
Goodwill [Line Items]    
Indefinite-lived intangible assets - FCC licenses $ 781,015 $ 356,815