Summary of Cash, Cash Equivalents and Restricted Cash Reported In Condensed Consolidated Statements of Cash Flows (Detail) - USD ($) $ in Thousands		Sep. 30, 2025	Dec. 31, 2024	Sep. 30, 2024
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation [Abstract]
Cash and cash equivalents		$ 112,895	$ 125,983	$ 106,077
Restricted cash	[1]	103,708	98,769	98,520
Total cash, cash equivalents and restricted cash		$ 216,603	$ 224,752	$ 204,597

[1] Restricted cash is included in other assets on the accompanying condensed consolidated balance sheets and consists of statutorily required capital reserves related to our commercial insurance subsidiary.