INCOME TAXES - Summary of Effective Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income (loss) before income taxes
Bermuda (domestic)	$ 236,781	$ 431,310	$ (45,951)
Foreign	8,340	249,686	(86,794)
Total income (loss) before income taxes	$ 245,121	$ 680,996	$ (132,745)
Reconciliation of effective tax rate (% of income before income taxes)
Expected tax rate	0.00%	0.00%	0.00%
Valuation allowance	9.50%	(0.50%)	(1.70%)
Other	(0.40%)	1.40%	(2.10%)
Actual tax rate	9.00%	9.20%	9.30%
U.S.
Reconciliation of effective tax rate (% of income before income taxes)
Foreign taxes at local expected rates	0.20%	4.80%	5.60%
Europe
Reconciliation of effective tax rate (% of income before income taxes)
Foreign taxes at local expected rates	1.90%	2.00%	9.20%
Change in enacted tax rate	(2.20%)	1.50%	(1.70%)
United Kingdom \| Minimum
Reconciliation of effective tax rate (% of income before income taxes)
Change in enacted tax rate		19.00%
United Kingdom \| Maximum
Reconciliation of effective tax rate (% of income before income taxes)
Change in enacted tax rate		25.00%
Belgium \| Minimum
Reconciliation of effective tax rate (% of income before income taxes)
Change in enacted tax rate		29.58%
Belgium \| Maximum
Reconciliation of effective tax rate (% of income before income taxes)
Change in enacted tax rate		25.00%

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

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The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

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