Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Federal statutory tax rate	21.00%	21.00%	21.00%	21.00%
Effective tax rate	24.60%	27.40%	25.90%	27.70%
Unrecognized tax benefits	$ 0.5		$ 0.5		$ 0.4
Interest and penalties of unrecognized tax benefits	$ 0.0	$ 0.0	$ 0.0	$ 0.0