Reinsurance - Effects of Reinsurance on Premiums Written and Earned (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Reinsurance Disclosures [Abstract]
Direct premiums, written	$ 445,587	$ 462,179	$ 266,609
Ceded premiums, written	(76,643)	(399,400)	(237,102)
Net premiums, written	368,944	62,779	29,507
Direct premiums, earned	462,434	395,968	213,423
Ceded premiums, earned	(235,171)	(349,952)	(199,366)
Net premiums, earned	$ 227,263	$ 46,016	$ 14,057

Amount of earned premiums ceded to other entities.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount of written premiums ceded to other entities.

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