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Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Income Tax Disclosure [Abstract]    
Provision (benefit) for income taxes $ (8,242) $ (1,067)
Income tax expense (benefit) from discontinued operations 6,800 $ 1,100
Income tax expense (benefit) from continuing and discontinued operations $ (1,500)