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Investments (Details) - Schedule of Net Investment Gains (Losses) - USD ($)
$ in Thousands
 12 Months Ended
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)