Investments In Securities and Fair Value (Schedule Of Gross Unrealized Gains And Losses And Amortized Cost For Securities) (Details) $ in Thousands	Sep. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	$ 102,051	$ 63,106
Fixed maturity securities, available-for-sale, at fair value (amortized cost: September 30, 2024: $102,051; December 31, 2023: $63,106)	103,368	63,847
Government obligations
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	549	2,220
Debt securities, available-for-sale, accumulated gross unrealized gain, before tax	3	2
Debt securities, available-for-sale, accumulated gross unrealized loss, before tax	0	(2)
Fixed maturity securities, available-for-sale, at fair value (amortized cost: September 30, 2024: $102,051; December 31, 2023: $63,106)	552	2,220
General obligations of U.S. states, territories and political subdivisions
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	9,330	9,419
Debt securities, available-for-sale, accumulated gross unrealized gain, before tax	48	64
Debt securities, available-for-sale, accumulated gross unrealized loss, before tax	(15)	(24)
Fixed maturity securities, available-for-sale, at fair value (amortized cost: September 30, 2024: $102,051; December 31, 2023: $63,106)	9,363	9,459
Special revenue issuer obligations of U.S. states, territories and political subdivisions
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	21,821	24,908
Debt securities, available-for-sale, accumulated gross unrealized gain, before tax	97	145
Debt securities, available-for-sale, accumulated gross unrealized loss, before tax	(23)	(66)
Fixed maturity securities, available-for-sale, at fair value (amortized cost: September 30, 2024: $102,051; December 31, 2023: $63,106)	$ 21,895	$ 24,987
Number of Special Revenue Bonds	30	30
Corporate debt securities
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	$ 70,351	$ 26,559
Debt securities, available-for-sale, accumulated gross unrealized gain, before tax	1,210	655
Debt securities, available-for-sale, accumulated gross unrealized loss, before tax	(3)	(33)
Fixed maturity securities, available-for-sale, at fair value (amortized cost: September 30, 2024: $102,051; December 31, 2023: $63,106)	71,558	27,181
Total fixed maturities
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	102,051	63,106
Debt securities, available-for-sale, accumulated gross unrealized gain, before tax	1,358	866
Debt securities, available-for-sale, accumulated gross unrealized loss, before tax	(41)	(125)
Fixed maturity securities, available-for-sale, at fair value (amortized cost: September 30, 2024: $102,051; December 31, 2023: $63,106)	$ 103,368	$ 63,847

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