v3.26.1
Investments - Net Investment Income (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Net Investment Income [Line Items]    
Gross investment income, operating $ 58,542 $ 58,435
Investment expenses (2,036) (2,095)
Investment income net of investment expenses 56,506 56,340
Interest expense on surplus note (13,223) (14,669)
Net investment income 43,283 41,671
Equity Securities [Member]    
Net Investment Income [Line Items]    
Gross investment income, operating 324 314
Policy Loans and Other Invested Assets [Member]    
Net Investment Income [Line Items]    
Gross investment income, operating 673 1,032
Cash, Cash Equivalents and Short-Term Investments [Member]    
Net Investment Income [Line Items]    
Gross investment income, operating 6,189 6,519
Total return on deposit asset underlying 10% insurance agreement [Member]    
Net Investment Income [Line Items]    
Gross investment income, operating [1] 0 2,388
Available-for-Sale [Member] | Fixed Maturities    
Net Investment Income [Line Items]    
Gross investment income, operating 38,133 33,513
Held-to-Maturity [Member] | Fixed Maturities    
Net Investment Income [Line Items]    
Gross investment income, operating $ 13,223 $ 14,669
[1] Includes $0.5 million of net gains (losses) recognized for the change in fair value of the deposit asset underlying the 10% coinsurance agreement for the three months ended March 31, 2025. There were no net gains (losses) recognized for the three months ended March 31, 2026 as the deposit asset was redeemed effective January 1, 2026. See Note 5 (Fair Value of Financial Instruments) for more information.