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Income Taxes - Schedule of Income (Loss) from Continuing Operations Before Income Taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income Tax Disclosure [Abstract]      
U.S. $ 28,840 $ 7,115 $ 23,928
Foreign 3,190 (3,853) 4,890
Income before income taxes $ 32,030 $ 3,262 $ 28,818