INVESTMENTS - Schedule of Components of Net Investment Income (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Investment income before investment expenses	$ 417,373	$ 297,663	$ 812,909	$ 557,178
Investment expenses	(6,528)	(5,001)	(11,289)	(10,138)
Net investment income	410,845	292,662	801,620	547,040
Fixed maturity investments trading
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Investment income before investment expenses	273,900	169,739	531,189	325,239
Short term investments
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Investment income before investment expenses	48,386	50,231	95,177	83,181
Equity investments
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Investment income before investment expenses	589	2,766	1,149	6,165
Catastrophe bonds
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Investment income before investment expenses	58,436	49,522	116,685	88,353
Other
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Investment income before investment expenses	20,663	20,820	38,588	45,391
Cash and cash equivalents
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Investment income before investment expenses	$ 15,399	$ 4,585	$ 30,121	$ 8,849

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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