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Deferred Policy Acquisition Costs (Tables)
 6 Months Ended
Jun. 30, 2023
Insurance [Abstract]  
Reconciliation of beginning and ending deferred policy acquisition costs
The following table represents a reconciliation of beginning and ending deferred acquisition costs for the twelve months ended December 31, 2022 and 2021:
Twelve Months Ended December 31, 2022Twelve Months Ended December 31, 2021
($ in millions)
Balance at the beginning of the period$290.8 $306.6 
Acquisition costs deferred460.0 398.3 
Amortization of deferred acquisition costs(431.8)(414.1)
Balance at the end of the period$319.0 $290.8