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Intangible Assets (Schedule of Current and Future Amortization Expense) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Intangible Assets, Net (Excluding Goodwill) [Abstract]    
Amortization of intangible assets $ 4,116 $ 4,289
Remainder of 2020 11,563  
2021 10,576  
2022 10,416  
2023 10,147  
2024 $ 9,823