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Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Income Tax Disclosure [Abstract]        
Income tax provision $ 9,751 $ 13,835 $ 12,951 $ 23,625
Effective income tax rate (as a percent) 26.00% 24.90% 24.90% 23.00%
Statutory U.S. income tax rate (as a percent) 21.00% 21.00% 21.00% 21.00%
Income taxes paid (refunds), net     $ (10,600) $ 6,500