Equity (Schedule of Equity Units) (Details) - USD ($) shares in Thousands, $ in Millions		12 Months Ended
	Apr. 19, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Equity Units [Line Items]
Net Process from Sale	$ 835.5
Purchase Contract Liability	168.8	$ 129.4	$ 0.0	$ 0.0
Payments of Stock Issuance Costs	$ 27.0
Equity Units Stock Purchase Contract Liability Payment		$ 41.2	$ 0.0
Series A Corporate Units
Equity Units [Line Items]
Number of shares issued	8,625
Corporate Units Contract Annual Rate	7.75%
Preferred Stock
Equity Units [Line Items]
Payments of Stock Issuance Costs	$ 22.5
Purchase Contract Liability
Equity Units [Line Items]
Payments of Stock Issuance Costs	$ 4.5