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Allowance for Credit Losses on Premiums Receivable
 3 Months Ended
Mar. 31, 2024
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)20242023
Balance at beginning of period$18,900 16,100 
Current period change for expected credit losses1,784 1,910 
Write-offs charged against the allowance for credit losses(1,056)(1,164)
Recoveries372 254 
Allowance for credit losses, end of period$20,000 17,100 

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 2023 Annual Report.