Investments In Securities and Fair Value (Schedule Of Fixed Maturity Securities) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]
Due in one year or less, Amortized Cost	$ 16,207
Due after one year through five years, Amortized Cost	26,465
Due five years through ten years, Amortized Cost	15,473
Due after ten years, Amortized Cost	7,621
Total, amortized cost	65,766	$ 53,775
Due in one year or less, Fair Value	16,282
Due after one year through five years, Fair Value	25,963
Due five years through ten years, Fair Value	15,022
Due after ten years, Fair Value	7,373
Total, Fair Value	$ 64,640	$ 53,989