XML 92 R74.htm IDEA: XBRL DOCUMENT v3.24.0.1
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, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Reconciliation of Net Incurred and Paid Claims Development [Abstract]        
Net outstanding liabilities $ 636,711,000      
Reinsurance recoverable 418,387,000      
Unallocated loss adjustment expenses 71,059,000      
Gross liability for unpaid losses and loss expenses 1,126,156,838 $ 1,121,045,758 $ 1,077,620,301 $ 962,007,437
Personal Automobile [Member]        
Reconciliation of Net Incurred and Paid Claims Development [Abstract]        
Net outstanding liabilities 104,457,000      
Reinsurance recoverable 98,157,000      
Homeowners [Member]        
Reconciliation of Net Incurred and Paid Claims Development [Abstract]        
Net outstanding liabilities 25,294,000      
Reinsurance recoverable 15,325,000      
Commercial Automobile [Member]        
Reconciliation of Net Incurred and Paid Claims Development [Abstract]        
Net outstanding liabilities 157,172,000      
Reinsurance recoverable 94,517,000      
Commercial Multi-Peril [Member]        
Reconciliation of Net Incurred and Paid Claims Development [Abstract]        
Net outstanding liabilities 201,748,000      
Reinsurance recoverable 118,979,000      
Workers Compensation [Member]        
Reconciliation of Net Incurred and Paid Claims Development [Abstract]        
Net outstanding liabilities 113,124,000      
Reinsurance recoverable 84,766,000      
Other [Member]        
Reconciliation of Net Incurred and Paid Claims Development [Abstract]        
Net outstanding liabilities 34,916,000      
Reinsurance recoverable $ 6,643,000