INVESTMENTS - Schedule of Investment Income Comprised Primarily of Interest and Dividends (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Net Investment Income [Line Items]
Total investment income	$ 18,037	$ 15,267	$ 34,840	$ 29,375
Less: Investment expenses	(779)	(607)	(1,522)	(1,192)
Net investment income	17,258	14,660	33,318	28,183
Available-for-sale debt securities
Net Investment Income [Line Items]
Investment income	11,615	8,390	22,334	15,604
Equity securities
Net Investment Income [Line Items]
Investment income	933	842	1,729	1,736
Cash and cash equivalents
Net Investment Income [Line Items]
Investment income	5,331	5,885	10,453	11,708
Other
Net Investment Income [Line Items]
Investment income	$ 158	$ 150	$ 324	$ 327

Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.

- Definition

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.

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