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Unpaid Losses And Loss Adjustment Expenses (Tables)
6 Months Ended
Jun. 30, 2023
Liability for Unpaid Claims and Claims Adjustment Expense, Incurred Claims [Abstract]  
Reconciliation Of Consolidated Reserves For Losses And Loss Adjustment Expenses
The following table presents a reconciliation of consolidated beginning and ending reserves for losses and loss adjustment expenses.

Six Months Ended June 30,
(dollars in thousands)20232022
Gross reserves for losses and loss adjustment expenses, beginning of year$20,947,898 $18,178,894 
Reinsurance recoverables on unpaid losses, beginning of year7,994,884 6,876,317 
Net reserves for losses and loss adjustment expenses, beginning of year12,953,014 11,302,577 
Effect of foreign currency rate changes on beginning of year balance46,000 (149,383)
Adjusted net reserves for losses and loss adjustment expenses, beginning of year12,999,014 11,153,194 
Incurred losses and loss adjustment expenses:
Current accident year2,500,098 2,153,910 
Prior accident years(139,208)(122,728)
Total incurred losses and loss adjustment expenses2,360,890 2,031,182 
Payments:
Current accident year164,713 167,262 
Prior accident years1,461,051 1,291,318 
Total payments1,625,764 1,458,580 
Effect of foreign currency rate changes on current year activity(2,949)221 
Change in net reserves for losses and loss adjustment expenses of Markel CATCo Re (see note 11)
(131,874)465,196 
Reinsurance recoverable for retroactive reinsurance transaction(125,067)— 
Net reserves for losses and loss adjustment expenses, end of period13,474,250 12,191,213 
Reinsurance recoverables on unpaid losses7,900,563 6,871,547 
Gross reserves for losses and loss adjustment expenses, end of period$21,374,813 $19,062,760