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Schedule V - Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2024
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Schedule V - Valuation and Qualifying Accounts
SCHEDULE V - VALUATION AND QUALIFYING ACCOUNTS
For the Twelve Months Ended December 31, 2024, 2023 and 2022
The following table shows the movement in the Company’s valuation and qualifying accounts during the twelve months ended December 31, 2024, 2023 and 2022:
 Balance at
Beginning  of
Year 
Charged to
Costs and
Expenses 
Charged to
Other
Accounts 
DeductionsBalance at
End of  Year
($ in millions)
2024
     
Premiums receivable from underwriting activities$21.0 $3.6 $— $— $24.6 
Reinsurance$— $27.5 $— $— $27.5 
2023     
Premiums receivable from underwriting activities$25.0 $(4.0)$— $— $21.0 
Reinsurance$— $— $— $— $— 
2022     
Premiums receivable from underwriting activities$30.2 $(5.2)$— $— $25.0 
Reinsurance$— $— $— $— $—