v3.26.3
Weighted Average Interest Rate for Life Policy Products (Details) - Life policy reserves:
Sep. 30, 2026
Sep. 30, 2025
Term Life Insurance    
Liability for Future Policy Benefit, Activity    
Interest accretion rate 5.30% 5.22%
Current discount rate 6.16% 4.78%
Whole Life Insurance    
Liability for Future Policy Benefit, Activity    
Interest accretion rate 5.84% 5.85%
Current discount rate 6.55% 5.51%