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Income Taxes (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2019
Rate
Jun. 30, 2018
Rate
Jun. 30, 2019
Rate
Jun. 30, 2018
Rate
Income Tax Disclosure [Abstract]        
Effective tax rate 16.70% 18.90% 17.40% 18.20%