Liability for Unpaid Losses and Loss Adjustment Expense - Schedule of Liability for Unpaid Claims and Claims Adjustment Expense (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025
Liability for Unpaid Claims and Claims Adjustment Expense
Liability for claims and claims adjustment expense, Beginning balance	$ 165,701	$ 322,087
Reinsurance recoverable for unpaid claims and claims adjustments, Beginning balance	116,772	249,276
Liability for unpaid claims and claims adjustment expense, net, Beginning balance	48,929	72,811
Incurred related to:
Current year claims and claims adjustment expense	43,437	40,733
Prior year claims and claims adjustment expense	(6,394)	(4,593)
Liability for unpaid claims and claims adjustment expense, incurred claims	37,043	36,140
Paid related to:
Liability for unpaid claims and claims adjustment expense, claims paid, current year	25,828	29,507
Liability for unpaid claims and claims adjustment expense, claims paid, prior years	18,340	28,373
Liability for unpaid claims and claims adjustment expense, claims paid	44,168	57,880
Liability for unpaid claims and claims adjustment expense, net, Ending balance	41,804	51,071
Reinsurance recoverable for unpaid claims and claims adjustments, Ending balance	53,419	137,632
Liability for claims and claims adjustment expense, Ending balance	95,223	188,703
Composition of reserve for unpaid losses and LAE:
Liability for unpaid claims and claims adjustment expense, reported claims, amount	15,955	36,228
Liability for unpaid claims and claims adjustment expense, incurred but not reported (IBNR) claims, amount	79,268	152,475
Unpaid losses and loss adjustment expenses	$ 95,223	$ 188,703