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Unpaid Loss and Loss Adjustment Expense (Tables)
3 Months Ended
Mar. 31, 2021
Insurance [Abstract]  
Activity in the liability for unpaid loss and LAE
The following table presents the activity in the liability for unpaid loss and loss adjustment expense ("LAE") for the three months ended March 31, 2021 and 2020 ($ in millions):
Three Months Ended March 31,
20212020
Unpaid loss and LAE at beginning of period$46.3 $28.2 
Less: Reinsurance recoverable at beginning of period (1)
36.3 18.5 
Net unpaid loss and LAE at beginning of period10.0 9.7 
Add: Incurred loss and LAE, net of reinsurance, related to:
Current year16.7 14.7 
Prior years(0.2)3.5 
Total incurred16.5 18.2 
Deduct: Paid loss and LAE, net of reinsurance, related to:
Current year8.3 8.7 
Prior years3.9 10.3 
Total paid12.2 19.0 
Unpaid loss and LAE, net of reinsurance recoverable, at end of period14.3 8.9 
Reinsurance recoverable at end of period (1)
47.9 22.9 
Unpaid loss and LAE, gross of reinsurance recoverable, at end of period$62.2 $31.8 
(1)    Reinsurance recoverable in this table includes only ceded unpaid loss and LAE