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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, 2024 USD ($)	Dec. 31, 2023 USD ($)
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	$ 112,588	$ 63,106
Fixed maturity securities, available-for-sale, at fair value	112,972	63,847
Government obligations
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	300	2,220
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	2	2
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	0	(2)
Fixed maturity securities, available-for-sale, at fair value	302	2,220
General obligations of U.S. states, territories and political subdivisions
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	8,129	9,419
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	11	64
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	(31)	(24)
Fixed maturity securities, available-for-sale, at fair value	8,109	9,459
Special revenue issuer obligations of U.S. states, territories and political subdivisions
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	16,523	24,908
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	51	145
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	(73)	(66)
Fixed maturity securities, available-for-sale, at fair value	$ 16,501	$ 24,987
Number of Special Revenue Bonds	20	20
Corporate debt securities
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	$ 87,636	$ 26,559
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	556	655
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	(132)	(33)
Fixed maturity securities, available-for-sale, at fair value	88,060	27,181
Total fixed maturity securities
Debt and Equity Securities, FV-NI [Line Items]
Total, amortized cost	112,588	63,106
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	620	866
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	(236)	(125)
Fixed maturity securities, available-for-sale, at fair value	$ 112,972	$ 63,847

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