v3.25.1
CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Common shares, par value per share (in dollars per share) $ 1 $ 1
Common shares, authorized shares (in shares) 50,000,000 50,000,000
Common shares, issued shares (in shares) 2,573,726 2,568,148
Common shares, outstanding shares (in shares) 2,573,726 2,568,148
P&C Insurance and Reinsurance (Ark/WM Outrigger) | Operating Segments    
Restricted cash $ 0.0 $ 14.1
P&C Insurance Distribution (Bamboo) | Operating Segments    
Restricted cash $ 77.0 $ 59.5