AFFILIATE TRANSACTIONS - Management fees, incentive allocation and capital gains (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Related Party Transaction [Line Items]
Management fees and incentive allocation to affiliate	$ 0	$ 4,577	$ 8,449	$ 13,137
General Partner
Related Party Transaction [Line Items]
Management fees and incentive allocation to affiliate	0	4,577	8,449	13,137
Management fees | General Partner
Related Party Transaction [Line Items]
Management fees and incentive allocation to affiliate	0	303	993	597
Income incentive allocation | General Partner
Related Party Transaction [Line Items]
Management fees and incentive allocation to affiliate	$ 0	$ 4,274	$ 7,456	$ 12,540