Reinsurance - Schedule of Reinsurance on Earned Premiums and Loss and Loss Adjustment Expenses (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Written premiums: | ||||
| Direct | $ 702.0 | $ 781.2 | $ 1,378.5 | $ 1,582.0 |
| Assumed | 40.6 | 130.1 | 208.0 | 203.3 |
| Gross | 742.6 | 911.3 | 1,586.5 | 1,785.3 |
| Ceded | (568.4) | (892.5) | (1,261.6) | (1,694.1) |
| Net written premiums | 174.2 | 18.8 | 324.9 | 91.2 |
| Earned premiums: | ||||
| Direct | 633.4 | 701.2 | 1,293.1 | 1,343.3 |
| Assumed | 136.3 | 82.1 | 258.7 | 158.8 |
| Gross | 769.7 | 783.3 | 1,551.8 | 1,502.1 |
| Ceded | (640.6) | (712.7) | (1,292.9) | (1,368.5) |
| Net earned premiums | 129.1 | 70.6 | 258.9 | 133.6 |
| Loss and LAE: | ||||
| Direct | 329.0 | 366.3 | 672.2 | 731.8 |
| Assumed | 71.2 | 29.1 | 135.3 | 46.4 |
| Gross | 400.2 | 395.4 | 807.5 | 778.2 |
| Ceded | (328.5) | (344.1) | (654.0) | (681.7) |
| Losses and loss adjustment expenses | $ 71.7 | $ 51.3 | $ 153.5 | $ 96.5 |
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- Definition Policyholder Benefits And Claims Incurred, Direct And Assumed, Gross No definition available.
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- Definition Premiums Earned, Gross No definition available.
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- Definition Amount of earned premiums assumed from other entities. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of written premiums assumed from other entities. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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- 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, before effect of policies assumed or ceded, of expense related to provision for policy benefits and costs incurred. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, after effects of policies assumed or ceded, of expense related to the provision for policy benefits and costs incurred. 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 of direct and assumed 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, 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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- Definition Amount of policy benefits and costs incurred for policies assumed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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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