Reinsurance - Summary of Premiums Earned and Losses Incurred (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Premiums earned:
Direct	$ 284,636	$ 287,846	$ 570,670	$ 575,119
Assumed	3,047	2,121	5,834	4,247
Ceded	(44,872)	(34,270)	(91,678)	(68,429)
Net premiums earned	242,811	255,697	484,826	510,937
Losses incurred:
Direct	(15,706)	(109,334)	(4,583)	(130,426)
Assumed	(31)	(154)	(27)	(361)
Losses incurred, net	(17,691)	(99,058)	(11,245)	(118,372)
Quota Share Reinsurance Transactions
Premiums earned:
Ceded	(27,442)	(14,995)	(57,319)	(37,373)
Losses incurred:
Ceded	(1,954)	10,430	(6,635)	12,415
Profit commission on reinsurance	34,809	48,814	66,520	87,794
Ceding commission on reinsurance	12,450	12,762	24,768	25,034
Excess of Loss Reinsurance Transactions
Premiums earned:
Ceded	$ (17,430)	$ (19,275)	$ (34,359)	$ (31,056)

Reinsurance Ceding Commission Earned

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Reinsurance, Profit Commission

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Amount of earned premiums assumed from other entities.

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Amount of earned premiums ceded to other entities.

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Amount, before premiums ceded to other entities and premiums assumed by the entity, of premiums earned.

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Amount, before effect of policies assumed or ceded, of expense related to provision for policy benefits and costs incurred.

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Amount, after effects of policies assumed or ceded, of expense related to the provision for policy benefits and costs incurred.

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Amount of policy benefits and costs incurred for policies assumed.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
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Amount of reduction of provision for policy benefits and costs incurred for policies ceded.

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