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	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Effective income tax rate	96.90%	10.50%	28.80%	8.10%
Liability for unrecognized tax benefit	$ 11.7		$ 11.7		$ 11.5
Unrecognized tax benefit highly certain	$ 2.8		$ 2.8		$ 3.1