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Schedule I (Details) $ in Thousands | Dec. 31, 2023 USD ($)
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SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Cost | $ 210,481 | [1],[2]
Market Value | 225,453 | [2]
Amount at which shown in the Balance Sheet | 225,453 | [2],[3]
Fixed maturity securities |  |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Cost | 63,106 | [1]
Market Value | 63,847 |
Amount at which shown in the Balance Sheet | 63,847 | [3]
Government obligations |  |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Cost | 2,220 | [1]
Market Value | 2,220 |
Amount at which shown in the Balance Sheet | 2,220 | [3]
General obligations of U.S. states, territories and political subdivisions |  |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Cost | 9,419 | [1]
Market Value | 9,459 |
Amount at which shown in the Balance Sheet | 9,459 | [3]
Special revenue issuer obligations of U.S. states, territories and political subdivisions |  |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Cost | 18,514 | [1]
Market Value | 18,525 |
Amount at which shown in the Balance Sheet | 18,525 | [3]
Public utilities |  |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Cost | 6,394 | [1]
Market Value | 6,462 |
Amount at which shown in the Balance Sheet | 6,462 | [3]
Corporate debt securities |  |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Cost | 26,559 | [1]
Market Value | 27,181 |
Amount at which shown in the Balance Sheet | 27,181 | [3]
Equity securities |  |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Cost | 22,981 | [1]
Market Value | 37,212 |
Amount at which shown in the Balance Sheet | 37,212 | [3]
Public utilities |  |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Cost | 176 | [1]
Market Value | 301 |
Amount at which shown in the Balance Sheet | 301 | [3]
Banks, trusts and insurance companies |  |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Cost | 1,441 | [1]
Market Value | 2,385 |
Amount at which shown in the Balance Sheet | 2,385 | [3]
Industrial, miscellaneous and all other |  |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Cost | 19,738 | [1]
Market Value | 29,539 |
Amount at which shown in the Balance Sheet | 29,539 | [3]
Technology |  |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Cost | 1,626 | [1]
Market Value | 4,987 |
Amount at which shown in the Balance Sheet | 4,987 | [3]
Short-term investments |  |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Cost | 110,224 | [1]
Market Value | 110,224 |
Amount at which shown in the Balance Sheet | 110,224 | [3]
Other investments |  |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Cost | 14,170 | [2]
Market Value | 14,170 | [2]
Amount at which shown in the Balance Sheet | 14,170 | [2],[3]
Total other investments |  |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Cost | 124,394 | [1]
Market Value | 124,394 |
Amount at which shown in the Balance Sheet | 124,394 | [3]
Other Affiliates |  |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Amount at which shown in the Balance Sheet | $ 3,215 |
[1] | Fixed maturity securities are shown at amortized cost and equity securities are shown at original cost.
[2] | The above summary of investments does not include investments in related parties accounted for under the equity method or the measurement alternative methods of accounting in the amount of $3,215.
[3] | All fixed maturity securities presented are classified as available-for-sale and shown at estimated fair value. Equity securities are shown at fair value.

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