v3.25.2
Investments - AFS Securities with Cost Basis in Excess of Fair Value - Narrative (Details) - USD ($)
Jun. 30, 2025
Dec. 31, 2024
Debt Securities, Available-for-Sale [Line Items]    
Available-for-sale fixed-maturities with cost basis in excess of fair values, cost basis $ 2,236,200,000 $ 2,493,100,000
Allowance for credit losses $ 0