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Income Taxes (Components of Income (Loss) before Taxes from Continuing Operations) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income Tax Disclosure [Abstract]      
Domestic $ 76,953 $ 78,468 $ 37,316
Foreign 2,992 (560) 12,667
Income before taxes $ 79,945 $ 77,908 $ 49,983