v3.26.3
Subsequent Events - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended
Oct. 14, 2026
Oct. 09, 2026
Oct. 03, 2026
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Aug. 31, 2026
Subsequent Event [Line Items]                
Per Share Amount           $ 1.2 $ 1.2  
Preliminary net loss estimated       $ 65,359,000 $ 66,153,000 $ 202,035,000 $ 189,901,000  
Repurchases of common stock, Shares       30,721   504,330    
Repurchases of common stock, Value       $ 5,589,000   $ 80,810,000    
Authorization amount share repurchase program       75,000,000   75,000,000   $ 25,000,000
Revolving Credit Facility [Member]                
Subsequent Event [Line Items]                
Credit facility borrowing capacity       $ 150,000,000   $ 150,000,000    
Common Stock [Member]                
Subsequent Event [Line Items]                
Repurchases of common stock, Shares       30,721   504,330    
Subsequent Event [Member] | Exzeo IPO                
Subsequent Event [Line Items]                
Repurchases of common stock, Shares     210,048          
Repurchases of common stock, Value     $ 3,360,000          
Subsequent Event [Member] | Hurricane [Member]                
Subsequent Event [Line Items]                
Preliminary net loss estimated   $ 15,000,000            
Subsequent Event [Member] | Dividend Declared Date October 14, 2026                
Subsequent Event [Line Items]                
Per Share Amount $ 0.4              
Dividends, date of declared Oct. 14, 2026              
Date of Record Nov. 20, 2026              
Payment Date Dec. 18, 2026