v3.25.4
Liability for Losses and Loss Expenses - Reconciliation of Net Incurred and Paid Claims Development Tables to Liability for Claims and Claim Adjustment Expenses (Details) - USD ($)
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Liability for Losses and Loss Expenses [Abstract]        
Net outstanding liabilities $ 649,688,000      
Reinsurance recoverable 379,431,000      
Unallocated loss adjustment expenses 1,100,049,937 $ 1,120,985,050 $ 1,126,156,838 $ 1,121,045,758
Personal Automobile [Member]        
Liability for Losses and Loss Expenses [Abstract]        
Net outstanding liabilities 88,977,000      
Reinsurance recoverable 83,481,000      
Homeowners [Member]        
Liability for Losses and Loss Expenses [Abstract]        
Net outstanding liabilities 24,571,000      
Reinsurance recoverable 12,015,000      
Commercial Automobile [Member]        
Liability for Losses and Loss Expenses [Abstract]        
Net outstanding liabilities 167,799,000      
Reinsurance recoverable 94,996,000      
Commercial Multi-Peril [Member]        
Liability for Losses and Loss Expenses [Abstract]        
Net outstanding liabilities 199,731,000      
Reinsurance recoverable 97,061,000      
Workers Compensation [Member]        
Liability for Losses and Loss Expenses [Abstract]        
Net outstanding liabilities 120,077,000      
Reinsurance recoverable 79,691,000      
Other [Member]        
Liability for Losses and Loss Expenses [Abstract]        
Net outstanding liabilities 48,533,000      
Reinsurance recoverable 12,187,000      
Title Insurance Product Line [Member]        
Liability for Losses and Loss Expenses [Abstract]        
Unallocated loss adjustment expenses $ 70,931,000