Reinsurance - Summary of Premiums Earned and Losses Incurred (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Premiums earned:
Direct	$ 284,123	$ 283,363	$ 568,944	$ 567,384
Assumed	3,738	3,377	7,299	6,819
Ceded	(43,539)	(43,212)	(88,202)	(88,031)
Net premiums earned	244,322	243,528	488,041	486,172
Losses incurred:
Direct	1,146	(14,196)	17,163	(3,217)
Assumed	(23)	(46)	(18)	(17)
Losses incurred, net	(2,835)	(18,272)	6,756	(13,717)
Quota Share Reinsurance Transactions
Premiums earned:
Ceded	(28,101)	(26,643)	(58,044)	(55,358)
Losses incurred:
Ceded	(3,958)	(4,030)	(10,389)	(10,483)
Profit commission on quota share reinsurance	32,299	27,301	60,994	51,885
Ceding commission on quota share reinsurance	12,081	10,789	23,808	21,449
Excess of Loss Reinsurance Transactions
Premiums earned:
Ceded	$ (15,438)	$ (16,569)	$ (30,158)	$ (32,673)