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Income Taxes - Schedule of Income before Income Tax From Continuing Operations (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Abstract]      
United States $ 430,253 $ 375,408 $ 303,854
Foreign 20,636 19,620 14,895
Income from continuing operations before income taxes $ 450,889 $ 395,028 $ 318,749