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Income Taxes (Income (Loss) from Continuing Operations before Income Tax from Domestic and Foreign Operations) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income Tax Disclosure [Abstract]      
Domestic operations $ 26,878 $ (12,263) $ 12,039
Foreign operations (10,425) (36,866) (11,674)
Total income (loss) from continuing operations before income tax $ 16,453 $ (49,129) $ 365