Investments in Securities and Fair Value Investments in Securities (Schedule of Gross Unrealized Gains and Losses and Amortized Cost for Securities) (Details) $ in Thousands	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	$ 63,106	$ 53,775
Fixed maturity securities, available-for-sale, at fair value	63,847	53,989
Government obligations
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	2,220	4,329
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	2	0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	(2)	(7)
Fixed maturity securities, available-for-sale, at fair value	2,220	4,322
General obligations of U.S. states, territories and political subdivisions
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	9,419	8,561
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	64	21
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	(24)	(36)
Fixed maturity securities, available-for-sale, at fair value	9,459	8,546
Special revenue issuer obligations of U.S. states, territories and political subdivisions
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	24,908	30,123
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	145	106
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	(66)	(219)
Fixed maturity securities, available-for-sale, at fair value	$ 24,987	$ 30,010
Number of Special Revenue Bonds	30	30
Corporate debt securities
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	$ 26,559	$ 10,762
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	655	417
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	(33)	(68)
Fixed maturity securities, available-for-sale, at fair value	27,181	11,111
Total fixed maturity securities
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	63,106	53,775
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	866	544
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	(125)	(330)
Fixed maturity securities, available-for-sale, at fair value	$ 63,847	$ 53,989

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Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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-Topic 320
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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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