v3.26.1
Future Policy Benefit Reserves - Weighted Average Interest Rates (Details)
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Insurance [Abstract]      
Original locked in discount rate 5.15% 5.16% 5.19%
Upper-medium grade fixed income instrument discount rate 5.51% 5.32% 5.40%