XML 116 R95.htm IDEA: XBRL DOCUMENT v3.24.0.1
Unpaid Losses And Loss Adjustment Expenses (Reconciliation Of Net Incurred And Paid Loss Development Tables, By Segment, To The Liability For Losses And Loss Adjustment Expenses In The Consolidated Balance Sheet) (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]        
Liabilities for unpaid losses and loss adjustment expenses, net of reinsurance $ 14,284,815      
Reinsurance recoverable on unpaid losses 8,820,567      
Unallocated loss adjustment expenses 377,939      
Total gross liability for unpaid losses and loss adjustment expenses 23,483,321 $ 20,947,898 $ 18,178,894 $ 16,222,376
Market CATCo Re        
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]        
Liabilities for unpaid losses and loss adjustment expenses, net of reinsurance 184,967      
Insurance [Member]        
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]        
Liabilities for unpaid losses and loss adjustment expenses, net of reinsurance 10,705,776      
Reinsurance recoverable on unpaid losses 3,168,100      
Total gross liability for unpaid losses and loss adjustment expenses 14,221,258 11,616,386    
Reinsurance [Member]        
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]        
Liabilities for unpaid losses and loss adjustment expenses, net of reinsurance 3,312,405      
Reinsurance recoverable on unpaid losses 387,366      
Total gross liability for unpaid losses and loss adjustment expenses 3,726,472 3,581,699    
Other underwriting [Member]        
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]        
Liabilities for unpaid losses and loss adjustment expenses, net of reinsurance 71,575      
Reinsurance recoverable on unpaid losses 88,701      
Total gross liability for unpaid losses and loss adjustment expenses 165,071 197,602    
Program services and other fronting [Member]        
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]        
Liabilities for unpaid losses and loss adjustment expenses, net of reinsurance 10,092      
Reinsurance recoverable on unpaid losses 5,176,400      
Total gross liability for unpaid losses and loss adjustment expenses $ 5,185,553 $ 5,204,290