Income Taxes Income Taxes (Operating Loss Carryovers) (Details) $ in Millions	Dec. 31, 2019 USD ($)
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards, Limitations on Use	$ 11.5
Operating Loss Carryforwards	5.3
Federal
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	137.0
State
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 69.0