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Allowance for Credit Losses on Premiums Receivable
 12 Months Ended
Dec. 31, 2023
Premiums Receivable [Abstract]  
Allowance for Credit Losses on Premiums Receivable Note [Text Block] Allowance for Credit Losses on Premiums Receivable
The following table provides a roll forward of the ACL on our premiums receivable balance for 2023 and 2022:

($ in thousands)December 31, 2023December 31, 2022
Balance at beginning of year$16,100 13,600 
Current period change for expected credit losses6,124 6,065 
Write-offs charged against the allowance for credit losses(5,080)(4,978)
Recoveries1,756 1,413 
ACL, end of year$18,900 16,100 

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."