Reinsurance - Impact of the Reinsurance Contracts on Premiums Written and Earned (Detail) - USD ($) $ in Thousands |
3 Months Ended | |||||||
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Mar. 31, 2025 |
Mar. 31, 2024 |
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| Premiums Written: | ||||||||
| Direct | $ 268,456 | $ 211,895 | ||||||
| Assumed | 20,790 | 43,091 | ||||||
| Gross written | 289,246 | 254,986 | ||||||
| Ceded | (99,635) | (68,106) | ||||||
| Net premiums written | 189,611 | 186,880 | ||||||
| Premiums Earned: | ||||||||
| Direct | 249,402 | 189,675 | ||||||
| Assumed | 50,981 | 66,969 | ||||||
| Total gross premiums earned | 300,383 | [1] | 256,644 | [2] | ||||
| Ceded | (99,635) | (68,106) | ||||||
| Net premiums earned | $ 200,748 | $ 188,538 | ||||||
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- Definition Amount of earned premiums ceded to other entities used to offset the amount of written premiums. No definition available.
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- Definition Amount, before premiums ceded to other entities, of property and casualty direct and assumed premiums earned. No definition available.
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- Definition Amount of earned premiums assumed from other entities. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of written premiums assumed from other entities. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of earned premiums ceded to other entities. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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/disclosureRef
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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/disclosureRef
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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/disclosureRef
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| X | ||||||||||
- References No definition available.
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- Definition Amount of direct and assumed premiums written. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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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