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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, 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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