Derivative Financial Instruments (Schedule Of Derivative Gains And Losses In The Consolidated Statements Of Operations) (Details) - Derivatives Not Designated as Hedging Instrument - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Derivative [Line Items]
Gains Recognized in Net Income	$ 1,225	$ 460
Options sold | Net realized investment (losses) gains
Derivative [Line Items]
Gains Recognized in Net Income	$ 1,225	$ 460