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Income Taxes - Additional Information (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2020
Dec. 31, 2019
Jun. 30, 2019
Income Tax Disclosure [Abstract]      
Excess tax benefits associated with stock-based compensation $ 1.6   $ 2.6
Valuation allowance increase 2.2    
CARES Act impact, tax benefit 4.3    
Unrecognized tax benefits, period increase 2.1    
Unrecognized tax benefits $ 6.4 $ 3.9