MEMBERS' CAPITAL - Schedule of Distributable Earnings (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2023
Investment Company, Net Assets [Roll Forward]
Total distributable earnings, beginning of period		$ (194)
Net investment income (loss)	$ (194)	1,527
Net unrealized appreciation (depreciation)	0	159
Distributable earnings	0	(1,340)
Total distributable earnings, end of period	(194)	354
Total distributable earnings (loss)
Investment Company, Net Assets [Roll Forward]
Total distributable earnings, beginning of period	0	(194)
Net investment income (loss)	(194)	1,527
Net unrealized appreciation (depreciation)	0	159
Distributable earnings	0	(1,340)
Tax reclassification of unitholders' equity (Note 10)	0	202
Total distributable earnings, end of period	$ (194)	$ 354