Investments In Securities and Fair Value (Schedule Of Gross Unrealized Gains And Losses And Amortized Cost For Securities) (Details) $ in Thousands	Mar. 31, 2026 USD ($)	Dec. 31, 2025 USD ($)
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	$ 117,028	$ 116,852
Fixed maturity securities, available-for-sale, at fair value (amortized cost: March 31, 2026: $117,028; December 31, 2025: $116,852)	117,337	118,116
Government obligations
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	1,082
Debt securities, available-for-sale, accumulated gross unrealized gain, before tax	0
Debt securities, available-for-sale, accumulated gross unrealized loss, before tax	(8)
Fixed maturity securities, available-for-sale, at fair value (amortized cost: March 31, 2026: $117,028; December 31, 2025: $116,852)	1,074
General obligations of U.S. states, territories and political subdivisions
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	11,253	12,449
Debt securities, available-for-sale, accumulated gross unrealized gain, before tax	38	74
Debt securities, available-for-sale, accumulated gross unrealized loss, before tax	(100)	(31)
Fixed maturity securities, available-for-sale, at fair value (amortized cost: March 31, 2026: $117,028; December 31, 2025: $116,852)	11,191	12,492
Special revenue issuer obligations of U.S. states, territories and political subdivisions
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	10,755	10,760
Debt securities, available-for-sale, accumulated gross unrealized gain, before tax	34	47
Debt securities, available-for-sale, accumulated gross unrealized loss, before tax	(33)	(10)
Fixed maturity securities, available-for-sale, at fair value (amortized cost: March 31, 2026: $117,028; December 31, 2025: $116,852)	$ 10,756	$ 10,797
Number of Special Revenue Bonds	20	20
Corporate debt securities
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	$ 93,938	$ 93,643
Debt securities, available-for-sale, accumulated gross unrealized gain, before tax	678	1,236
Debt securities, available-for-sale, accumulated gross unrealized loss, before tax	(300)	(52)
Fixed maturity securities, available-for-sale, at fair value (amortized cost: March 31, 2026: $117,028; December 31, 2025: $116,852)	94,316	94,827
Total fixed maturities
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	117,028	116,852
Debt securities, available-for-sale, accumulated gross unrealized gain, before tax	750	1,357
Debt securities, available-for-sale, accumulated gross unrealized loss, before tax	(441)	(93)
Fixed maturity securities, available-for-sale, at fair value (amortized cost: March 31, 2026: $117,028; December 31, 2025: $116,852)	$ 117,337	$ 118,116

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