Reinsurance - Schedule of the Effect of Reinsurance on Premiums Written and Earned (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Premiums Written and Earned [Abstract]
Gross Written	$ 313,864	$ 294,144	$ 285,355
Ceded Written	(17,230)	(18,164)	(16,621)
Net premiums Written	296,634	275,980	268,734
Gross Earned	300,287	288,803	283,746
Ceded Earned	(17,230)	(18,164)	(16,621)
Net premiums Earned	$ 283,057	$ 270,639	$ 267,125