LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS - Schedule of Liability for Future Policy Benefits, Weighted Average Interest Rates (Details)	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023
Liability for Future Policy Benefit, Activity [Line Items]
Interest accretion rate	4.50%		5.50%
Payout-Legacy
Liability for Future Policy Benefit, Activity [Line Items]
Interest accretion rate	5.10%	5.30%
Current discount rate	5.20%	5.00%

Current weighted-average discount rate used to measure present value of total expected payment to policyholder in excess of present value of total expected assessment. Excludes benefit classified as market risk benefit or under provisions of Topic 815 on derivative and hedging.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (b)(6)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480081/944-40-50-6

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- Definition

Original weighted-average discount rate at contract issue date used to measure present value of total expected payment to policyholder in excess of present value of total expected assessment. Excludes benefit classified as market risk benefit or under provisions of Topic 815 on derivative and hedging.

+ References

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 944
-SubTopic 40
-Name Accounting Standards Codification
-Section 55
-Paragraph 29E
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480046/944-40-55-29E

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480081/944-40-50-6

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