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Investments In Securities and Fair Value (Schedule Of Gross Unrealized Gains And Losses And Amortized Cost For Securities) (Details) $ in Thousands	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	$ 117,723	$ 112,588
Fixed maturity securities, available-for-sale, at fair value (amortized cost: March 31, 2025: $117,723; December 31, 2024: $112,588)	118,329	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	1	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: March 31, 2025: $117,723; December 31, 2024: $112,588)	301	302
General obligations of U.S. states, territories and political subdivisions
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	6,304	8,129
Debt securities, available-for-sale, accumulated gross unrealized gain, before tax	6	11
Debt securities, available-for-sale, accumulated gross unrealized loss, before tax	(53)	(31)
Fixed maturity securities, available-for-sale, at fair value (amortized cost: March 31, 2025: $117,723; December 31, 2024: $112,588)	6,257	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	18,202	16,523
Debt securities, available-for-sale, accumulated gross unrealized gain, before tax	50	51
Debt securities, available-for-sale, accumulated gross unrealized loss, before tax	(120)	(73)
Fixed maturity securities, available-for-sale, at fair value (amortized cost: March 31, 2025: $117,723; December 31, 2024: $112,588)	$ 18,132	$ 16,501
Number of Special Revenue Bonds	25	25
Corporate debt securities
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	$ 92,917	$ 87,636
Debt securities, available-for-sale, accumulated gross unrealized gain, before tax	741	556
Debt securities, available-for-sale, accumulated gross unrealized loss, before tax	(19)	(132)
Fixed maturity securities, available-for-sale, at fair value (amortized cost: March 31, 2025: $117,723; December 31, 2024: $112,588)	93,639	88,060
Total fixed maturities
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	117,723	112,588
Debt securities, available-for-sale, accumulated gross unrealized gain, before tax	798	620
Debt securities, available-for-sale, accumulated gross unrealized loss, before tax	(192)	(236)
Fixed maturity securities, available-for-sale, at fair value (amortized cost: March 31, 2025: $117,723; December 31, 2024: $112,588)	$ 118,329	$ 112,972

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