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Goodwill and Other Intangible Assets (Schedule of Expected Amortization Expense) (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]    
Remainder of 2019 $ 1,525  
2020 5,815  
2021 5,781  
2022 5,698  
2023 5,211  
2024 and thereafter 20,525  
Net Carrying Amount $ 44,555 $ 49,836