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Intangible Assets and Goodwill - Maturity (Details)
$ in Thousands
Dec. 31, 2019
USD ($)
Estimated amortization expense  
2020 $ 24,912
2021 24,912
2022 24,912
2023 24,912
2024 24,619
Thereafter 139,438
Finite Lived - Net Amount $ 263,705