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Allowance for Credit Losses on Premiums Receivable
 3 Months Ended
Mar. 31, 2025
Premiums Receivable Disclosure [Abstract]  
Allowance for Credit Losses on Premiums Receivable Allowance for Credit Losses on Premiums Receivable
The following table provides a roll forward of the allowance for credit losses on our premiums receivable balance for the indicated periods:

Quarter ended March 31,
($ in thousands)20252024
Balance at beginning of period$20,400 18,900 
Current period change for expected credit losses3,866 1,784 
Write-offs charged against the allowance for credit losses(2,889)(1,056)
Recoveries223 372 
Allowance for credit losses, end of period$21,600 20,000 

For a discussion of the methodology used to evaluate our estimate of expected credit losses on premiums receivable, refer to Note 2. "Summary of Significant Accounting Policies" in Item 8. "Financial Statements and Supplementary Data." of our 2024 Annual Report.