XML 41 R26.htm IDEA: XBRL DOCUMENT v3.21.2
Reserve for Loss and Loss Expense (Tables)
9 Months Ended
Sep. 30, 2021
Insurance Loss Reserves [Abstract]  
Schedule of Liability for Unpaid Claims and Claims Adjustment Expense
Nine Months ended September 30,
($ in thousands)20212020
Gross reserve for loss and loss expense, at beginning of year$4,260,355 4,067,163 
Less: reinsurance recoverable on unpaid loss and loss expense, at beginning of year1
554,269 547,066 
Net reserve for loss and loss expense, at beginning of year3,706,086 3,520,097 
Incurred loss and loss expense for claims occurring in the:  
Current year1,408,240 1,295,285 
Prior years(67,947)(43,210)
Total incurred loss and loss expense1,340,293 1,252,075 
Paid loss and loss expense for claims occurring in the:  
Current year430,288 421,981 
Prior years675,782 646,974 
Total paid loss and loss expense1,106,070 1,068,955 
Net reserve for loss and loss expense, at end of period3,940,309 3,703,217 
Add: Reinsurance recoverable on unpaid loss and loss expense, at end of period670,031 590,059 
Gross reserve for loss and loss expense at end of period$4,610,340 4,293,276 
1 Nine Months 2020 includes an adjustment of $2.9 million related to our adoption of ASU 2016-13, Financial Instruments - Credit Losses.