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Income Taxes - Additional Information (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Income Tax Provision        
Effective income tax rate reconciliation, release of uncertain tax position $ 5.5   $ 5.5  
Effective income tax rate reconciliation, prior year income taxes, amount $ 4.1   $ 4.1  
Controlling Interest        
Income Tax Provision        
Effective tax rate 3.40% 23.70% 7.60% 25.30%