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Income Taxes (Income (Loss) Before Income Taxes from Continuing Operations) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Components of income before income taxes      
U.S. $ 18,982 $ 46,678 $ (25,645)
Foreign 9,129 6,478 5,120
Income (loss) before income taxes $ 28,111 $ 53,156 $ (20,525)