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Reinsurance - Summary of Premiums Earned and Losses Incurred (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Premiums earned:
Direct	$ 286,034	$ 287,273
Assumed	2,787	2,126
Ceded	(46,806)	(34,159)
Net premiums earned	242,015	255,240
Losses incurred:
Direct	11,123	(21,092)
Assumed	4	(207)
Losses incurred, net	6,446	(19,314)
Quota Share Reinsurance Transactions
Premiums earned:
Ceded	(29,877)	(22,378)
Losses incurred:
Ceded	(4,681)	1,985
Profit commission on reinsurance	31,711	38,980
Ceding commission on reinsurance	12,318	12,272
Excess of Loss Reinsurance Transactions
Premiums earned:
Ceded	$ (16,929)	$ (11,781)

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