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Goodwill and Other Intangible Assets - Estimated Future Aggregate Amortization Expense of Intangible Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]    
2021 $ 84,748  
2022 77,119  
2023 68,319  
2024 55,357  
2025 43,805  
Thereafter 103,307  
Finite-Lived Intangible Assets, Net $ 432,655 $ 410,734