INVESTMENT IN RELATED PARTY INVESTMENT FUND - Financial Information of Investment (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Assets
Investments, at fair value	$ 397,888	$ 258,890
Cash and cash equivalents	54,642	51,082
Total assets	2,001,686	1,735,307
Liabilities
Accrued expenses and other liabilities	(8,491)	(11,795)
Total liabilities	(1,338,268)	(1,139,212)
Solasglas Investments, LP (SILP)
Assets
Investments, at fair value	549,163	453,358
Derivative contracts, at fair value	11,844	11,167
Due from brokers	210,446	121,754
Cash and cash equivalents	21,782	0
Interest and dividends receivable	438	1,143
Total assets	793,673	587,422
Liabilities
Investments sold short, at fair value	(263,540)	(197,571)
Derivative contracts, at fair value	(12,101)	(12,917)
Capital withdrawals payable	(1,250)	(1,000)
Due to brokers	0	(17,398)
Interest and dividends payable	(1,409)	(2,315)
Accrued expenses and other liabilities	(204)	(247)
Total liabilities	(278,504)	(231,448)
Partners' capital	$ 515,170	$ 355,974