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Goodwill and other intangible assets - Narrative (Detail)
$ in Thousands
Jan. 27, 2021
USD ($)
sportLeague
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Finite-Lived Intangible Assets [Line Items]        
Number of major professional sports leagues | sportLeague 4      
Goodwill   $ 2,981,587 $ 2,968,693 $ 2,950,587
Locked On Podcast Network LLC        
Finite-Lived Intangible Assets [Line Items]        
Initial purchase price $ 13,300      
Base purchase price 13,800      
Working capital adjustment 500      
Goodwill 12,900      
Locked On Podcast Network LLC | Trade Names        
Finite-Lived Intangible Assets [Line Items]        
Intangible assets acquired $ 900