Financial Highlights (Details) - USD ($) $ / shares in Units, $ in Thousands									3 Months Ended		9 Months Ended
	Sep. 11, 2024	Jun. 25, 2024	Mar. 20, 2024	Sep. 27, 2023	Aug. 30, 2023	Jun. 26, 2023	Mar. 30, 2023	Mar. 02, 2023	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Investment Company, Financial Highlights [Roll Forward]
Member's capital, beginning balance (in dollars per share)											$ 10.27	$ 9.77
Net investment income (loss) (in dollars per share)											1.01	0.83
Net realized and unrealized gains (losses) (in dollars per share)											(0.11)	0.54
Total net increase (decrease) (in dollars per share)											0.90	1.37
Distributions declared to unitholders from net investment income (in dollars per share)	$ (0.271)	$ (0.364)	$ (0.362)	$ (0.060)	$ (0.250)	$ (0.270)	$ (0.150)	$ (0.175)			(1.038)	(0.905)
Member's capital, ending balance (in dollars per share)									$ 10.13	$ 10.23	$ 10.13	$ 10.23
Total return based on members' capital											9.02%	14.43%
Units outstanding at end of period (in shares)									66,479,611	23,525,081	66,479,611	23,525,081	26,941,956
Average weighted units outstanding for the period - basic (in shares)									49,342,936	13,436,959	37,946,534	9,928,134
Average weighted units outstanding for the period - diluted (in share)									49,342,936	13,436,959	37,946,534	9,928,134
Average members' capital for the period											$ 388,254	$ 98,831
Ratio to average members' capital:
Net investment income											13.20%	11.48%
Total expenses, before waivers											14.76%	18.87%
Total expenses, net of waivers											14.52%	18.20%
Asset coverage ratio									197.65%	292.49%	197.65%	292.49%
Portfolio turnover											16.48%	0.95%
Capital Commitments											$ 1,207,896	$ 670,850
Funded Capital Commitments									$ 664,343	$ 234,798	$ 664,343	$ 234,798
Percentage of Capital Commitments funded											55.00%	35.00%
Effect of the timing of capital transactions (in dollars per share)											$ (0.14)	$ (0.26)
Wells Credit Facility
Ratio to average members' capital:
Average debt outstanding											$ 218,114
BMO Subscription Line
Ratio to average members' capital:
Average debt outstanding											98,529	$ 58,655
UBS Credit Facility
Ratio to average members' capital:
Average debt outstanding											$ 248,364	$ 71,530