v3.26.1
Schedule of Benefit Obligation and Net Periodic Benefit Cost for Plan (Details)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Retirement Benefits [Abstract]    
Defined benefit plan assumptions used calculating benefits obligation 5.70% 5.64%
Discount - insureds 5.14% 4.98%
Expected return on assets 5.80% 6.40%
RPI inflation 2.87% 3.13%
CPI inflation- pre 2030 1.87% 2.13%
CPI inflation-post 2030 2.67% 2.93%
Pension increases-pre-2006 service 2.78% 2.97%
Pension increases-post-2006 service 1.92% 2.01%
Pension increases-post 1988 GMP-pre 2030 1.69% 1.83%
Pension increases-post 1988 GMP-post 2030 2.09% 2.21%