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Goodwill and Other Intangible Assets - Indefinite-lived Intangibles (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Unamortized Intangible Assets [Abstract]    
Indefinite-lived Intangible Assets (Excluding Goodwill) $ 96,842 $ 96,653
Finite-Lived Intangible Assets, Accumulated Amortization 1,290,419 1,116,854
Trademarks [Member]    
Unamortized Intangible Assets [Abstract]    
Indefinite-lived Intangible Assets (Excluding Goodwill) 96,842 96,653
Finite-Lived Intangible Assets, Accumulated Amortization $ 0 $ 0