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Derivative Financial Instruments (Schedule Of Derivative Gains And Losses In The Consolidated Statements Of Operations) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Derivative [Line Items]        
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Net realized investment gains (losses) Net realized investment gains (losses) Net realized investment gains (losses) Net realized investment gains (losses)
Derivatives Not Designated as Hedging Instrument        
Derivative [Line Items]        
Gains Recognized in Net Income (Loss) $ 1,999 $ 2,968 $ 10,544 $ 5,793
Derivatives Not Designated as Hedging Instrument | Options sold        
Derivative [Line Items]        
Gains Recognized in Net Income (Loss) $ 1,999 $ 2,968 $ 10,544 $ 5,793