INVESTMENTS - Net Investment Income (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Net Investment Income [Line Items]
Gross investment income	$ 214,563	$ 174,085
Investment expenses	(6,850)	(6,702)
Net investment income	207,713	167,383
Fixed maturities
Net Investment Income [Line Items]
Gross investment income	146,711	139,396
Other investments
Net Investment Income [Line Items]
Gross investment income	22,410	5,673
Equity securities
Net Investment Income [Line Items]
Gross investment income	3,208	2,762
Mortgage loans
Net Investment Income [Line Items]
Gross investment income	6,868	9,130
Cash and cash equivalents
Net Investment Income [Line Items]
Gross investment income	33,380	13,661
Short-term investments
Net Investment Income [Line Items]
Gross investment income	$ 1,986	$ 3,463

The net gain or loss (both realized and unrealized) related to investments in certain entities that calculate net asset value per share and the amount after accretion (amortization) of discount (premium), of interest income and dividend income on nonoperating securities.

No definition available.

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The net gain or loss (both realized and unrealized) related to investments in certain entities that calculate net asset value per share and the amount after accretion (amortization) of discount (premium) of interest income and dividend income on nonoperating securities, net of investment expense.

+ References

No definition available.

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- Definition

Amount of expenses related to the generation of investment income.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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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