v3.25.3

Liability for Unpaid Losses and Loss Adjustment Expenses - Schedule of Reconciliation of Changes in the Liability for Unpaid Losses And LAE (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]
Unpaid Loss and LAE beginning of period	$ 475,708	$ 279,392
Less: Reinsurance recoverables on unpaid losses and LAE	415,086	214,718
Net unpaid loss and LAE at beginning of period	60,622	64,674
Add: Losses and LAE, net of reinsurance, incurred related to:
Current period	70,507	64,786
Prior period	1,195	(6,762)
Total net losses and LAE incurred	71,702	58,024
Less: Losses and LAE paid, net of reinsurance, related to:
Current period	29,801	31,271
Prior period	32,232	31,125
Total net paid losses and LAE	62,033	62,396
Unpaid loss and LAE, net of reinsurance at end of period	70,291	60,302
Add: Reinsurance recoverables on unpaid losses and LAE	293,154	257,445
Unpaid loss and LAE at end of period	$ 363,445	$ 317,747

The amount needed to reflect the estimated ultimate cost of settling claims relating to insured events that have occurred on or before the balance sheet date, whether or not reported to the insurer at that date.

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Amount, after effects of reinsurance, of payments to settle claims incurred in the current period and related claims settlement costs.

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Amount, after effects of reinsurance, of payments to settle claims incurred in prior periods and related claims settlement costs.

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Amount, after effects of reinsurance, of expense (reversal of expense) for claims incurred and costs incurred in the claim settlement process.

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Liability as of the balance sheet date for amounts representing estimated cost of settling unpaid claims under the terms of the underlying insurance policies, less estimated reinsurance recoveries on such claims. This includes an estimate for claims which have been incurred but not reported. Claim adjustment expenses represent the costs estimated to be incurred in the settlement of unpaid claims.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount, after effects of reinsurance, of payments to settle insured claims and pay costs incurred in the claims settlement process.

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Amount, after valuation allowance, recoverable under reinsurance contracts for losses reported to the ceding insurer but not yet paid and amounts expected for incurred losses and settlement expenses, which have not yet been reported to the ceding insurer.

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American Integrity Insurance Group, Inc. 10-Q