Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Tax Contingency [Line Items]
Deferred Tax Liability, Ending Balance	$ 21.4		$ 21.4
Operating Loss Carryforwards	2.0		2.0
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 4.3		$ 4.3
Effective Income Tax Rate On Unrecognized Tax Benefits That Would Impact Effective Tax Rate			(0.25%)
Effective Tax Rate as a Percentage of pre-tax Income (loss)	10.30%	25.10%	(2.10%)	24.90%
State and Local Jurisdiction [Member]
Income Tax Contingency [Line Items]
Deferred Tax Assets, Valuation Allowance	$ 1.1		$ 1.1