NET INVESTMENT INCOME (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Net Investment Income [Abstract]
Interest and dividend income, net of withholding taxes and other expenses	$ 8,244	$ 9,513	$ 24,935	$ 27,004
Net realized and unrealized gains on other investments (see Note 4)	0	(2,555)	(324)	(2,299)
Net investment-related income	8,244	6,958	24,611	24,705
Share of Solasglas' net income (loss) (see Note 3)	19,844	(1,853)	42,422	27,791
Total investment income	$ 28,088	$ 5,105	$ 67,033	$ 52,496