Annual report pursuant to Section 13 and 15(d)

Income Taxes (Pretax Income) (Details)

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Income Taxes (Pretax Income) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Pretax income      
United States $ (5,672) $ (9,453) $ (9,893)
Foreign 61,146 30,103 874
Income (loss) from continuing operations before income taxes $ 55,474 $ 20,650 $ (9,019)