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INVESTMENTS - Schedule of Contractual Maturities of Fixed Maturity Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Amortized  Cost
Due in less than one year	$ 1,385,679	$ 1,374,089
Due after one through five years	12,292,015	12,139,153
Due after five through ten years	6,079,871	6,339,563
Due after ten years	376,444	387,413
Amortized  Cost	23,266,328	23,750,540
Fair Value
Due in less than one year	1,383,945	1,373,838
Due after one through five years	12,368,118	12,131,114
Due after five through ten years	6,108,091	6,246,506
Due after ten years	353,082	355,156
Fixed maturity investments trading	23,310,208	23,562,514
Mortgage-backed
Amortized  Cost
Amortized  Cost	1,737,576	2,094,190
Fair Value
Fixed maturity investments trading	1,700,794	2,033,507
Asset-backed
Amortized  Cost
Amortized  Cost	1,394,743	1,416,132
Fair Value
Fixed maturity investments trading	$ 1,396,178	$ 1,422,393

X

- Definition

This item represents debt securities, at cost, net of adjustments including accretion, amortization and collection of cash, if any, which are expected to mature within one through 5 years of the balance sheet date and are categorized as trading securities.

+ References

No definition available.

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+ References

No definition available.

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This item represents debt securities, at cost, net of adjustments including accretion, amortization and collection of cash, if any, which are expected to mature after ten years of the balance sheet date and are categorized as trading securities.

+ References

No definition available.

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+ References

No definition available.

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- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading).

+ References

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Amortized cost of investments in debt securities classified as trading.

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