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RESERVE FOR LOSSES AND LOSS EXPENSES - Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance (Details) | Dec. 31, 2024
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Insurance | Property |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
Year 1 | 31.20%
Year 2 | 40.20%
Year 3 | 13.20%
Year 4 | 5.70%
Year 5 | 0.60%
Year 6 | 0.50%
Year 7 | (0.60%)
Year 8 | 1.70%
Year 9 | 0.70%
Year 10 | 1.10%
Insurance | Accident and health |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
Year 1 | 54.20%
Year 2 | 33.20%
Year 3 | 6.00%
Year 4 | 1.90%
Year 5 | 1.70%
Year 6 | 0.50%
Year 7 | 1.10%
Year 8 | (0.20%)
Year 9 | (1.30%)
Year 10 | 0.20%
Insurance | Marine and aviation |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
Year 1 | 18.50%
Year 2 | 25.80%
Year 3 | 20.50%
Year 4 | 9.40%
Year 5 | 4.00%
Year 6 | 3.30%
Year 7 | 3.90%
Year 8 | 1.10%
Year 9 | (0.60%)
Year 10 | 0.00%
Insurance | Cyber |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
Year 1 | 10.60%
Year 2 | 24.00%
Year 3 | 17.10%
Year 4 | 17.20%
Year 5 | 7.70%
Year 6 | 5.50%
Year 7 | 8.10%
Year 8 | 7.20%
Year 9 | 1.90%
Year 10 | (0.20%)
Insurance | Professional lines |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
Year 1 | 3.50%
Year 2 | 11.00%
Year 3 | 15.50%
Year 4 | 12.50%
Year 5 | 12.50%
Year 6 | 12.00%
Year 7 | 7.80%
Year 8 | 4.80%
Year 9 | 8.10%
Year 10 | 2.00%
Insurance | Credit and political risk |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
Year 1 | 9.60%
Year 2 | 56.70%
Year 3 | 5.80%
Year 4 | 3.80%
Year 5 | 3.30%
Year 6 | 1.50%
Year 7 | (6.00%)
Year 8 | (11.10%)
Year 9 | 0.00%
Year 10 | 0.00%
Insurance | Liability |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
Year 1 | 3.40%
Year 2 | 10.70%
Year 3 | 14.80%
Year 4 | 20.20%
Year 5 | 13.60%
Year 6 | 10.70%
Year 7 | 7.90%
Year 8 | 4.90%
Year 9 | 2.40%
Year 10 | 2.10%
Reinsurance | Accident and health |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
Year 1 | 38.70%
Year 2 | 46.40%
Year 3 | 13.10%
Year 4 | 0.40%
Year 5 | 0.40%
Year 6 | 0.70%
Year 7 | 0.50%
Year 8 | (0.10%)
Year 9 | (0.70%)
Year 10 | 0.00%
Reinsurance | Marine and aviation |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
Year 1 | 8.20%
Year 2 | 26.40%
Year 3 | 19.10%
Year 4 | 15.80%
Year 5 | 10.10%
Year 6 | 4.40%
Year 7 | 1.60%
Year 8 | 1.60%
Year 9 | 1.10%
Year 10 | 2.20%
Reinsurance | Professional lines |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
Year 1 | 1.70%
Year 2 | 5.60%
Year 3 | 11.30%
Year 4 | 12.60%
Year 5 | 12.60%
Year 6 | 12.20%
Year 7 | 10.10%
Year 8 | 9.10%
Year 9 | 6.40%
Year 10 | 6.30%
Reinsurance | Liability |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
Year 1 | 4.70%
Year 2 | 9.80%
Year 3 | 11.50%
Year 4 | 12.60%
Year 5 | 11.20%
Year 6 | 10.40%
Year 7 | 8.10%
Year 8 | 7.10%
Year 9 | 6.50%
Year 10 | 5.60%
Reinsurance | Credit and surety |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
Year 1 | 25.60%
Year 2 | 20.40%
Year 3 | 12.60%
Year 4 | 8.30%
Year 5 | 2.10%
Year 6 | 1.10%
Year 7 | 0.40%
Year 8 | 0.50%
Year 9 | (1.10%)
Year 10 | 0.30%
Reinsurance | Motor |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
Year 1 | 23.20%
Year 2 | 18.30%
Year 3 | 9.70%
Year 4 | 6.80%
Year 5 | 6.00%
Year 6 | 5.60%
Year 7 | 6.20%
Year 8 | 3.00%
Year 9 | 2.50%
Year 10 | 2.10%
Reinsurance | Agriculture |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
Year 1 | 10.50%
Year 2 | 59.20%
Year 3 | 19.10%
Year 4 | 2.40%
Year 5 | (0.50%)
Year 6 | 1.10%
Year 7 | (0.10%)
Year 8 | (0.60%)
Year 9 | 0.20%
Year 10 | 0.00%
Reinsurance | Run-off lines |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
Year 1 | 24.00%
Year 2 | 28.80%
Year 3 | 17.20%
Year 4 | 10.30%
Year 5 | 6.00%
Year 6 | 3.30%
Year 7 | 2.70%
Year 8 | 0.60%
Year 9 | 0.70%
Year 10 | 0.60%

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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. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 9F -Publisher FASB -URI https://asc.fasb.org/1943274/2147480046/944-40-55-9F Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 4G -Publisher FASB -URI https://asc.fasb.org/1943274/2147480081/944-40-50-4G + Details
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