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Goodwill and Other Intangible Assets - Goodwill and Other Intangible Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]      
Goodwill $ 397,300 $ 659,900 $ 647,100
Other intangible assets, net 686,400 830,300  
Total goodwill and other intangible assets, net $ 1,083,700 $ 1,490,200