Income Taxes (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Contingency [Line Items]
Non-deductible goodwill included in gain on disposition of business	$ 5.6
Unrecognized tax benefits	$ 0.0	$ 0.0	$ 0.0
IRS [Member] | Earliest Tax Year [Member]
Income Tax Contingency [Line Items]
Tax years remain subject to examination	2020
IRS [Member] | Latest Tax Year [Member]
Income Tax Contingency [Line Items]
Tax years remain subject to examination	2022