v3.26.3
Fair Value of Financial Instruments - Narrative (Details) - Level 3 - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Percentage of invested assets in total investment portfolio 7.50%   7.50%  
Net investment gains (losses) included in net income related to financial assets $ (3.0) $ (0.3) $ (2.8) $ 4.6
Net investment gains (losses) included in net income related to financial liabilities $ 2.4 $ 1.2 $ (2.5) $ (4.4)