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Intangible Assets, Goodwill and Other Assets - Estimated Amortization Expense of Intangible Assets (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]    
2020 (excluding the nine months ended September 30, 2020) $ 3,562  
2021 14,247  
2022 14,235  
2023 11,405  
2024 10,330  
Thereafter 66,976  
Net Carrying Amount $ 120,755 $ 131,849