Reinsurance (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Premiums Written, Net [Abstract] | ||||||
| Premiums written - direct | $ 462,868 | $ 486,251 | $ 1,472,494 | $ 1,526,048 | ||
| Premiums written - ceded | (63,724) | (81,191) | (217,605) | (280,583) | ||
| Net written premiums | 399,144 | 405,060 | 1,254,889 | 1,245,465 | ||
| Premiums Earned, Net [Abstract] | ||||||
| Premiums earned - direct | 491,789 | 497,795 | 1,470,236 | 1,444,905 | ||
| Premiums earned - ceded | (68,317) | (86,838) | (222,308) | (284,545) | ||
| Net earned premiums | 423,472 | 410,957 | 1,247,928 | 1,160,360 | ||
| Ceded incurred losses and loss adjustment expenses | 19,033 | 18,568 | 68,460 | 106,727 | ||
| Reinsurance recoverables on paid losses | 13,282 | 13,282 | $ 12,973 | |||
| Reinsurance recoverable on unpaid losses | 413,824 | $ 380,330 | 413,824 | $ 380,330 | 381,356 | $ 323,060 |
| Reinsurance recoverables, net | $ 427,106 | $ 427,106 | $ 394,329 | |||
| X | ||||||||||
- Definition Amount of earned premiums ceded to other entities. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of written premiums ceded to other entities. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before premiums ceded to other entities and premiums assumed by the entity, of premiums earned. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, before premiums ceded to other entities and premiums assumed by the entity, of premiums written. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, after premiums ceded to other entities and premiums assumed by the entity, of premiums earned. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, after premiums ceded to other entities and premiums assumed by the entity, of premiums written. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount of reduction of provision for policy benefits and costs incurred for policies ceded. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount, after valuation allowance, recoverable under reinsurance contracts for losses reported to the ceding insurer but not yet paid and amounts expected for incurred losses and settlement expenses, which have not yet been reported to the ceding insurer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after 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, policy benefits and policy reserves. Excludes premiums paid under reinsurance contracts. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before valuation allowance of reinsurance recoverables on paid losses. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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