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Income Taxes - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Income Tax [Line Items]          
Effective income tax rate (as percent) (15.40%) 36.70% (62.40%) 38.60%  
U.S. Federal statutory rate (as percent) 21.00%   21.00%    
Tax benefit recognized due to valuation allowances and French business tax $ 0   $ 0    
Gross unrecognized tax benefits $ 70,300,000   $ 70,300,000   $ 69,500,000
Earliest Tax Year          
Income Tax [Line Items]          
Income tax examination year under examination     2013    
Latest Tax Year          
Income Tax [Line Items]          
Income tax examination year under examination     2020