Unpaid Losses and Loss Adjustment Expenses - Loss Duration (Details) |
Dec. 31, 2025 |
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| Short-duration Insurance Contracts, Historical Claims Duration [Line Items] | |
| Year 1 | 38.20% |
| Year 2 | 22.00% |
| Year 3 | 17.00% |
| Year 4 | 11.70% |
| Year 5 | 8.50% |
| Year 6 | 2.20% |
| Year 7 | 0.30% |
| Year 8 | 0.10% |
| Year 9 | 0.00% |
| Year 10, and onwards | 0.00% |
| Commercial Lines | |
| Short-duration Insurance Contracts, Historical Claims Duration [Line Items] | |
| Year 1 | 35.80% |
| Year 2 | 22.30% |
| Year 3 | 17.60% |
| Year 4 | 12.50% |
| Year 5 | 9.10% |
| Year 6 | 2.30% |
| Year 7 | 0.30% |
| Year 8 | 0.10% |
| Year 9 | 0.00% |
| Year 10, and onwards | 0.00% |
| Personal Lines | |
| Short-duration Insurance Contracts, Historical Claims Duration [Line Items] | |
| Year 1 | 72.70% |
| Year 2 | 17.50% |
| Year 3 | 9.00% |
| Year 4 | 0.70% |
| Year 5 | 0.10% |
| Year 6 | 0.00% |
| Year 7 | 0.00% |
| Year 8 | 0.00% |
| Year 9 | 0.00% |
| Year 10, and onwards | 0.00% |
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- Definition Short-duration insurance contracts, historical claims duration, year ten and thereafter. No definition available.
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Percentage of average annual payout, after reinsurance, in the eighth year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Percentage of average annual payout, after reinsurance, in the fifth year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Percentage of average annual payout, after reinsurance, in the fourth year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Percentage of average annual payout, after reinsurance, in the ninth year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Percentage of average annual payout, after reinsurance, in the first year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Percentage of average annual payout, after reinsurance, in the seventh year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Percentage of average annual payout, after reinsurance, in the sixth year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Percentage of average annual payout, after reinsurance, in the third year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Percentage of average annual payout, after reinsurance, in the second year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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