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Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Income Tax Disclosure [Abstract]        
Income before income taxes $ 175,245 $ 220,648 $ 337,064 $ 427,323
Provision for income taxes $ 30,452 $ 31,397 $ 53,840 $ 37,043
Effective tax rate 17.40% 14.20% 16.00% 8.70%