SCHEDULE IV. SUPPLEMENTAL SCHEDULE OF REINSURANCE PREMIUMS (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| SEC Schedule, 12-17, Insurance Companies, Reinsurance [Abstract] | |||
| Gross Amounts | $ 916,979 | $ 1,097,726 | $ 1,013,372 |
| Ceded to Other Companies | 1,762,771 | 1,817,302 | 1,614,432 |
| Assumed | 10,746,974 | 10,815,336 | 8,072,193 |
| Net premiums earned (Note 7) | $ 9,901,182 | $ 10,095,760 | $ 7,471,133 |
| Percentage of Amount Assumed to Net | 109.00% | 107.00% | 108.00% |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of earned premiums assumed from other entities. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of earned premiums ceded to other entities. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- 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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| X | ||||||||||
- 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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| X | ||||||||||
- Definition Percentage of assumed premium earned to premium earned after effects of reinsurance, as disclosed in supplementary reinsurance information. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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