RESERVE FOR LOSSES AND LAE - Schedule of Average Annual Percentage Payout Incurred Loss by Age, Net of Reinsurance (Details)	Dec. 31, 2025
Reinsurance \| Casualty Insurance
Short-Duration Insurance Contracts, Historical Claims Duration [Line Items]
Year one	8.70%
Year two	6.50%
Year three	10.60%
Year four	11.70%
Year five	12.20%
Year six	11.20%
Year seven	9.90%
Year eight	8.20%
Year nine	6.90%
Year ten	6.00%
Reinsurance \| Property Insurance
Short-Duration Insurance Contracts, Historical Claims Duration [Line Items]
Year one	25.10%
Year two	29.10%
Year three	17.00%
Year four	9.50%
Year five	6.30%
Year six	3.40%
Year seven	2.60%
Year eight	1.80%
Year nine	0.40%
Year ten	0.00%
Insurance \| Casualty Insurance
Short-Duration Insurance Contracts, Historical Claims Duration [Line Items]
Year one	6.40%
Year two	14.30%
Year three	15.30%
Year four	14.20%
Year five	12.70%
Year six	11.50%
Year seven	6.10%
Year eight	4.60%
Year nine	2.60%
Year ten	1.90%
Insurance \| Property Insurance
Short-Duration Insurance Contracts, Historical Claims Duration [Line Items]
Year one	54.00%
Year two	30.10%
Year three	7.20%
Year four	4.50%
Year five	2.50%
Year six	1.40%
Year seven	0.30%
Year eight	0.00%
Year nine	0.00%
Year ten	0.00%

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.

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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.

+ 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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- 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.

+ References

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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.

+ References

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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.

+ References

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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

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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.

+ References

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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.

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Percentage of average annual payout, after reinsurance, in the tenth year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts.

+ References

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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.

+ References

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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.

+ References

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