Concentration of Risks - Schedule of Credit Risk Related to Recoverable Reinsurance (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Ceded Credit Risk [Line Items]
Reinsurance recoverable, credit loss allowance	$ 1,100	$ 1,100
Reinsurer Concentration Risk
Ceded Credit Risk [Line Items]
Net reinsurance recoverable	446,239	456,720
Funds withheld payable	408,044	420,945
Net reinsurance credit exposure	38,792	41,304
A \| Reinsurer Concentration Risk \| Medico Insurance Company
Ceded Credit Risk [Line Items]
Net reinsurance recoverable	2,231	4,466
Funds withheld payable	0	0
Net reinsurance credit exposure	2,231	4,466
Not Rated \| Reinsurer Concentration Risk \| Front Street Re
Ceded Credit Risk [Line Items]
Net reinsurance recoverable	269,487	273,981
Funds withheld payable	232,926	237,143
Net reinsurance credit exposure	36,561	36,838
Not Rated \| Reinsurer Concentration Risk \| Nichol International Reinsurance (S.A.C), Ltd.
Ceded Credit Risk [Line Items]
Net reinsurance recoverable	174,521	178,273
Funds withheld payable	175,118	183,802
Net reinsurance credit exposure	$ 0	$ 0

Reinsurance Recoverable, Net Credit Exposure

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The carrying amount as of the balance sheet date of the known and estimated amounts owed to insurers under reinsurance treaties or other arrangements.

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Amount of allowance for credit loss on reinsurance recoverable.

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Amount before valuation allowance recoverable under reinsurance contracts. Examples include, but are not limited to, settled and unsettled claims, incurred but not reported losses, loss adjustment expense, premium paid, policy benefits and policy reserves.

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