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Investments Net Investment Income (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Net Investment Income [Line Items]    
Total investment income $ 68,020 $ 63,886
Investment expense (2,594) (2,391)
Net investment income 65,426 61,495
Debt Securities [Member]    
Net Investment Income [Line Items]    
Investment income 58,400 55,579
Equity Securities [Member]    
Net Investment Income [Line Items]    
Investment income 650 1,024
Policy Loans [Member]    
Net Investment Income [Line Items]    
Investment income 6,189 6,420
Other Long-term Investments [Member]    
Net Investment Income [Line Items]    
Investment income 2,535 809
Other [Member]    
Net Investment Income [Line Items]    
Investment income $ 246 $ 54