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INCOME TAXES - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Taxes [Line Items]
Accrual withholding taxes, percent	5.00%
Increase (decrease) in unrecognized tax benefits attributable to uncertain tax positions	$ 0	$ 0	$ 0
Deferred tax assets, valuation allowance	25,000,000	15,000,000
Foreign tax credits	16,000,000	0
Unrealized losses on available for sale fixed maturity securities	138,000,000	67,000,000
Tax benefits related to restricted stock vestings and stock options exercises	1,000,000	2,000,000	2,000,000
Tax benefits related to payment of dividends on restricted stock	700,000	$ 600,000	$ 600,000
His Majesty's Revenue and Customs (HMRC)
Income Taxes [Line Items]
Net operating loss carryforwards, not subject to expiration	11,000,000
Revenue Commissioners, Ireland
Income Taxes [Line Items]
Net operating loss carryforwards, not subject to expiration	4,000,000
Spanish Federal Tax Administration (FTA)
Income Taxes [Line Items]
Net operating loss carryforwards, not subject to expiration	2,000,000
Internal Revenue Service (IRS)
Income Taxes [Line Items]
Net operating loss carryforwards, not subject to expiration	8,000,000
Non-U.S.
Income Taxes [Line Items]
Increase (decrease) in valuation allowance	10,000,000
Foreign tax credits	7,000,000
U.S.
Income Taxes [Line Items]
Foreign tax credits	$ 9,000,000

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Accrual Withholding Taxes, Percent

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are not subject to expiration dates.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-6

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign tax credit carryforwards.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from unrealized loss on investment in debt security measured at fair value with change in fair value recognized in net income (trading).

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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