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Goodwill and Intangible Assets - Intangible Assets Future Amortization Expense (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Estimated Amortization Expense, Next Five Years [Abstract]    
2020 $ 28,954  
2021 28,608  
2022 27,288  
2023 26,418  
2024 24,235  
Thereafter 83,701  
Net Book Value $ 219,204 $ 249,326