MEMBERS' CAPITAL - Distributions Declared and Payable (Details) - USD ($) $ / shares in Units, $ in Thousands						12 Months Ended
	Dec. 27, 2023	Nov. 28, 2023	Oct. 27, 2023	Sep. 26, 2023	Aug. 30, 2023	Dec. 31, 2023
Equity [Abstract]
Per Unit Amount (in dollars per unit)	$ 0.1592	$ 0.1585	$ 0.1590	$ 0.1582	$ 0.1498	$ 0.7847
Total Amount	$ 345	$ 309	$ 271	$ 219	$ 196	$ 1,340