v3.26.3
Acquisitions (Details) - USD ($)
$ in Millions
Oct. 01, 2026
Jul. 21, 2026
Medical Mutual of Ohio    
Business Combination    
Business combination, expected acquisition price   $ 115.0
Medical Mutual of Ohio | Subsequent Event    
Business Combination    
Payments to acquire businesses, gross $ 117.2  
Reserve National Insurance Company (RNIC)    
Business Combination    
Business combination, expected acquisition price   125.0
Business combination, expected ceding commission   7.4
Excess statutory capital expected to remain with acquiree   $ 10.0