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Goodwill and Other Intangible Assets, net - Future Amortization Expense (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Estimated aggregate amortization expense:    
2020 $ 14,656  
2021 14,656  
2022 13,302  
2023 12,881  
2024 12,881  
Thereafter 33,090  
Finite-Lived Intangible Assets, Net, Total $ 101,466 $ 110,983