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RESERVE FOR LOSSES AND LAE - Schedule of Average Annual Percentage Payout Incurred Loss by Age, Net of Reinsurance (Details)	Dec. 31, 2023
Reinsurance | Property, Liability and Casualty Insurance Product Line
Short-Duration Insurance Contracts, Historical Claims Duration [Line Items]
Year one	8.80%
Year two	7.20%
Year three	10.70%
Year four	12.00%
Year five	12.10%
Year six	9.50%
Year seven	7.60%
Year eight	5.70%
Year nine	3.30%
Year ten	2.90%
Reinsurance | Property Insurance
Short-Duration Insurance Contracts, Historical Claims Duration [Line Items]
Year one	26.10%
Year two	31.60%
Year three	16.50%
Year four	9.50%
Year five	4.50%
Year six	2.20%
Year seven	1.50%
Year eight	0.60%
Year nine	0.30%
Year ten	0.10%
Insurance | Property, Liability and Casualty Insurance Product Line
Short-Duration Insurance Contracts, Historical Claims Duration [Line Items]
Year one	7.40%
Year two	16.30%
Year three	16.10%
Year four	14.80%
Year five	14.00%
Year six	9.30%
Year seven	6.00%
Year eight	3.90%
Year nine	2.50%
Year ten	2.00%
Insurance | Property Insurance
Short-Duration Insurance Contracts, Historical Claims Duration [Line Items]
Year one	52.50%
Year two	31.60%
Year three	7.10%
Year four	4.60%
Year five	2.50%
Year six	1.20%
Year seven	0.20%
Year eight	0.20%
Year nine	0.10%
Year ten	0.00%

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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