Net Income Per Share (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended			6 Months Ended
	Feb. 02, 2021	Jun. 30, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Debt Instrument [Line Items]
Preferred Stock, Par Value Per Share		$ 1.00			$ 1.00
Exercise price of warrant			$ 21.62			$ 21.62
Exchange of preferred stock for common stock and common stock warrant				$ (0.1)
Other Preferred Stock Dividends and Adjustments		$ 0.0	$ 0.0		$ 0.0	$ 6.6
Common Stock [Member]
Debt Instrument [Line Items]
Conversion of Stock, Shares Converted	231,276
Preferred Stock [Member]
Debt Instrument [Line Items]
Conversion of Stock, Shares Converted	3,873
Warrant [Member]
Debt Instrument [Line Items]
Conversion of Stock, Shares Converted	250,000
Exchange of preferred stock for common stock and common stock warrant						$ 7.5