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Income Taxes - Summary of Income Before Income Taxes by Geographic Area (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Income Tax Disclosure [Abstract]      
Federal $ 77,195 $ 46,445 $ 48,393
Foreign 4,190 3,997 (5,325)
Income before income taxes $ 81,385 $ 50,442 $ 43,068