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Schedule I (Details) $ in Thousands | Dec. 31, 2022 USD ($)
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SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Cost | $ 198,909 | [1],[2]
Market Value | 225,536 | [2]
Amount at which shown in the Balance Sheet | 225,536 | [2],[3]
Fixed maturity securities |  |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Cost | 53,775 | [1]
Market Value | 53,989 |
Amount at which shown in the Balance Sheet | 53,989 | [3]
Government obligations |  |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Cost | 4,329 | [1]
Market Value | 4,322 |
Amount at which shown in the Balance Sheet | 4,322 | [1],[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 | 8,360 | [1]
Market Value | 8,346 |
Amount at which shown in the Balance Sheet | 8,346 | [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 | 22,508 | [1]
Market Value | 22,497 |
Amount at which shown in the Balance Sheet | 22,497 | [3]
Public utilities |  |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Cost | 7,816 | [1]
Market Value | 7,713 |
Amount at which shown in the Balance Sheet | 7,713 | [3]
Corporate debt securities |  |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Cost | 10,762 | [1]
Market Value | 11,111 |
Amount at which shown in the Balance Sheet | 11,111 | [3]
Equity securities |  |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Cost | 25,278 | [1]
Market Value | 51,691 |
Amount at which shown in the Balance Sheet | 51,691 | [3]
Public utilities |  |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Cost | 606 | [1]
Market Value | 760 |
Amount at which shown in the Balance Sheet | 760 | [3]
Banks, trusts and insurance companies |  |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Cost | 2,834 | [1]
Market Value | 5,761 |
Amount at which shown in the Balance Sheet | 5,761 | [3]
Industrial, miscellaneous and all other |  |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Cost | 20,160 | [1]
Market Value | 39,495 |
Amount at which shown in the Balance Sheet | 39,495 | [3]
Technology |  |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Cost | 1,678 | [1]
Market Value | 5,675 |
Amount at which shown in the Balance Sheet | 5,675 | [3]
Short-term investments |  |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Cost | 103,649 | [1]
Market Value | 103,649 |
Amount at which shown in the Balance Sheet | 103,649 | [3]
Other investments |  |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Cost | 16,207 | [2]
Market Value | 16,207 | [2]
Amount at which shown in the Balance Sheet | 16,207 | [2],[3]
Total other investments |  |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |  |
Cost | 119,856 | [1]
Market Value | 119,856 |
Amount at which shown in the Balance Sheet | 119,856 | [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 | $ 2,161 |
[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 $2,161.
[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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