v3.26.1
Reinsurance (Ceded earned premiums to GEP & Assumed earned premiums to NEP) (Details)
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]    
Percentage of ceded earned premiums to gross earned premiums 46.00% 42.00%
Percentage of assumed earned premiums to net earned premiums 35.00% 33.00%