Unpaid Loss and Loss Adjustment Expense (Tables)

3 Months Ended

Mar. 31, 2025

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, 2025 and 2024 ($ in millions):

	March 31,
	2025		2024
Unpaid loss and LAE at beginning of period	$	298.1	$	262.3
Less: Reinsurance recoverable at beginning of period (1)	149.5		120.2
Net unpaid loss and LAE at beginning of period	148.6		142.1
Add: Incurred loss and LAE, net of reinsurance, related to:
Current year	95.8		72.4
Prior years	(10.4)		(6.5)
Total incurred	85.4		65.9
Deduct: Paid loss and LAE, net of reinsurance, related to:
Current year	43.4		33.7
Prior years	34.7		35.1
Total paid	78.1		68.8
Unpaid loss and LAE, net of reinsurance recoverable, at end of period	155.9		139.2
Reinsurance recoverable at end of period (1)	151.4		124.8
Unpaid loss and LAE, gross of reinsurance recoverable, at end of period	$	307.3	$	264.0

(1) Reinsurance recoverable in this table includes only ceded unpaid loss and LAE.