INVESTMENTS - Schedule of Components of Net Investment Income (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Investment income before investment expenses	$ 395,536	$ 259,515
Investment expenses	(4,761)	(5,137)
Net investment income	390,775	254,378
Fixed maturity investments trading
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Investment income before investment expenses	257,289	155,500
Short term investments
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Investment income before investment expenses	46,791	32,950
Equity investments
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Investment income before investment expenses	560	3,399
Catastrophe bonds
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Investment income before investment expenses	58,249	38,831
Other
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Investment income before investment expenses	17,925	24,571
Cash and cash equivalents
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Investment income before investment expenses	$ 14,722	$ 4,264

Amount, before investment expense, of income earned from investments in securities and real estate. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Excludes realized gain (loss) on investments.

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Amount of expenses related to the generation of investment income.

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Amount, after investment expense, of income earned from investments in securities and real estate. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Excludes realized gain (loss) on investments.

+ References

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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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