Investments In Securities and Fair Value (Schedule Of Gross Unrealized Gains And Losses And Amortized Cost For Securities) (Details) $ in Thousands	Jun. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	$ 117,535	$ 112,588
Fixed maturity securities, available-for-sale, at fair value (amortized cost: June 30, 2025: $117,535; December 31, 2024: $112,588)	118,450	112,972
Government obligations
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	300	300
Debt securities, available-for-sale, accumulated gross unrealized gain, before tax	0	2
Debt securities, available-for-sale, accumulated gross unrealized loss, before tax	0	0
Fixed maturity securities, available-for-sale, at fair value (amortized cost: June 30, 2025: $117,535; December 31, 2024: $112,588)	300	302
General obligations of U.S. states, territories and political subdivisions
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	9,052	8,129
Debt securities, available-for-sale, accumulated gross unrealized gain, before tax	21	11
Debt securities, available-for-sale, accumulated gross unrealized loss, before tax	(77)	(31)
Fixed maturity securities, available-for-sale, at fair value (amortized cost: June 30, 2025: $117,535; December 31, 2024: $112,588)	8,996	8,109
Special revenue issuer obligations of U.S. states, territories and political subdivisions
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	17,040	16,523
Debt securities, available-for-sale, accumulated gross unrealized gain, before tax	47	51
Debt securities, available-for-sale, accumulated gross unrealized loss, before tax	(79)	(73)
Fixed maturity securities, available-for-sale, at fair value (amortized cost: June 30, 2025: $117,535; December 31, 2024: $112,588)	$ 17,008	$ 16,501
Number of Special Revenue Bonds	20	20
Corporate debt securities
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	$ 91,143	$ 87,636
Debt securities, available-for-sale, accumulated gross unrealized gain, before tax	1,012	556
Debt securities, available-for-sale, accumulated gross unrealized loss, before tax	(9)	(132)
Fixed maturity securities, available-for-sale, at fair value (amortized cost: June 30, 2025: $117,535; December 31, 2024: $112,588)	92,146	88,060
Total fixed maturities
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	117,535	112,588
Debt securities, available-for-sale, accumulated gross unrealized gain, before tax	1,080	620
Debt securities, available-for-sale, accumulated gross unrealized loss, before tax	(165)	(236)
Fixed maturity securities, available-for-sale, at fair value (amortized cost: June 30, 2025: $117,535; December 31, 2024: $112,588)	$ 118,450	$ 112,972

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