Investments In Securities and Fair Value (Schedule Of Gross Unrealized Gains And Losses And Amortized Cost For Securities) (Details) $ in Thousands	Sep. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	$ 109,784	$ 112,588
Fixed maturity securities, available-for-sale, at fair value (amortized cost: September 30, 2025: $109,784; December 31, 2024: $112,588)	111,101	112,972
Government obligations
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost		300
Debt securities, available-for-sale, accumulated gross unrealized gain, before tax		2
Debt securities, available-for-sale, accumulated gross unrealized loss, before tax		0
Fixed maturity securities, available-for-sale, at fair value (amortized cost: September 30, 2025: $109,784; December 31, 2024: $112,588)		302
General obligations of U.S. states, territories and political subdivisions
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	9,050	8,129
Debt securities, available-for-sale, accumulated gross unrealized gain, before tax	76	11
Debt securities, available-for-sale, accumulated gross unrealized loss, before tax	(38)	(31)
Fixed maturity securities, available-for-sale, at fair value (amortized cost: September 30, 2025: $109,784; December 31, 2024: $112,588)	9,088	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	13,422	16,523
Debt securities, available-for-sale, accumulated gross unrealized gain, before tax	56	51
Debt securities, available-for-sale, accumulated gross unrealized loss, before tax	(16)	(73)
Fixed maturity securities, available-for-sale, at fair value (amortized cost: September 30, 2025: $109,784; December 31, 2024: $112,588)	$ 13,462	$ 16,501
Number of Special Revenue Bonds	20	20
Corporate debt securities
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	$ 87,312	$ 87,636
Debt securities, available-for-sale, accumulated gross unrealized gain, before tax	1,257	556
Debt securities, available-for-sale, accumulated gross unrealized loss, before tax	(18)	(132)
Fixed maturity securities, available-for-sale, at fair value (amortized cost: September 30, 2025: $109,784; December 31, 2024: $112,588)	88,551	88,060
Total fixed maturities
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	109,784	112,588
Debt securities, available-for-sale, accumulated gross unrealized gain, before tax	1,389	620
Debt securities, available-for-sale, accumulated gross unrealized loss, before tax	(72)	(236)
Fixed maturity securities, available-for-sale, at fair value (amortized cost: September 30, 2025: $109,784; December 31, 2024: $112,588)	$ 111,101	$ 112,972

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