v3.26.3
Other Insurance Reserves and Policyholder Funds - Reconciliation of Net Incurred and Paid Claims Development (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Other Insurance Reserves and Policyholder Funds [Abstract]      
Liabilities for unpaid losses, claims and loss adjustment expenses, net of reinsurance $ 86,832    
Reinsurance recoverable on unpaid losses:      
Total reinsurance recoverable on unpaid losses 24,352    
Unallocated claims adjustment expenses 2,652    
Total gross liability for unpaid losses, claims and loss adjustment expenses 113,836 $ 93,707 $ 87,478
Claim liability 705    
Medicare Supplement [Member]      
Other Insurance Reserves and Policyholder Funds [Abstract]      
Liabilities for unpaid losses, claims and loss adjustment expenses, net of reinsurance 12,584    
Reinsurance recoverable on unpaid losses:      
Total reinsurance recoverable on unpaid losses 11,583    
Claim liability 609,287    
Automobile Liability [Member]      
Other Insurance Reserves and Policyholder Funds [Abstract]      
Liabilities for unpaid losses, claims and loss adjustment expenses, net of reinsurance 63,204    
Reinsurance recoverable on unpaid losses:      
Total reinsurance recoverable on unpaid losses 4,842    
Claim liability 240,148    
Automobile Physical Damage [Member]      
Other Insurance Reserves and Policyholder Funds [Abstract]      
Liabilities for unpaid losses, claims and loss adjustment expenses, net of reinsurance 2,843    
Reinsurance recoverable on unpaid losses:      
Total reinsurance recoverable on unpaid losses 209    
General Liability [Member]      
Other Insurance Reserves and Policyholder Funds [Abstract]      
Liabilities for unpaid losses, claims and loss adjustment expenses, net of reinsurance 3,507    
Reinsurance recoverable on unpaid losses:      
Total reinsurance recoverable on unpaid losses 2,664    
Claim liability 205    
Surety [Member]      
Other Insurance Reserves and Policyholder Funds [Abstract]      
Liabilities for unpaid losses, claims and loss adjustment expenses, net of reinsurance 2,133    
Reinsurance recoverable on unpaid losses:      
Claim liability 47    
Other Short-Duration Insurance Lines [Member]      
Other Insurance Reserves and Policyholder Funds [Abstract]      
Liabilities for unpaid losses, claims and loss adjustment expenses, net of reinsurance [1] 2,561    
Reinsurance recoverable on unpaid losses:      
Total reinsurance recoverable on unpaid losses $ 5,054    
[1] For American Southern, other short duration insurance lines are inland marine cargo policies. For Bankers Fidelity, other short duration insurance lines for which the detailed claim development is not shown are group accident and health products, which collectively have a claim liability of $705. These products are group critical illness, group disability income, group hospital indemnity, and group accident and medical expense. There are no reinsurance arrangements for any of these Bankers Fidelity products.