v3.26.1
Reinsurance (Summary of Reinsurance Activity) (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Insurance [Abstract]    
Net assumed written premiums $ 28.0 $ 25.6
Net premiums earned 23.2 23.5
Provision for claims 15.8 16.1
Amortization of capitalized acquisition costs $ 0.6 $ 0.6