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Investments (Details) - Schedule of Net Investment Gains (Losses) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Gross realized gains: |  |  |
Total gross realized gains | $ 13,975 | $ 7,195 | $ 18,130
Gross realized losses, excluding credit impairment losses: |  |  |
Total gross realized losses, excluding credit impairment losses | (1,924) | (5,271) | (362)
Net realized gains | 12,051 | 1,924 | 17,768
Change in net unrealized gain on equity securities | (9,927) | (15,050) | (2,289)
Net investment gains (losses) | 2,124 | (13,126) | 15,479
Fixed income securities [Member] |  |  |
Gross realized gains: |  |  |
Total gross realized gains | 1 | 117 | 677
Gross realized losses, excluding credit impairment losses: |  |  |
Total gross realized losses, excluding credit impairment losses | (583) | (268) | (27)
Equity securities [Member] |  |  |
Gross realized gains: |  |  |
Total gross realized gains | 13,974 | 7,078 | 17,453
Gross realized losses, excluding credit impairment losses: |  |  |
Total gross realized losses, excluding credit impairment losses | $ (1,341) | $ (5,003) | $ (335)

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