Financial Highlights (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Investment Company, Financial Highlights [Roll Forward]
Member's capital, beginning balance (in dollars per share)			$ 10.04	$ 10.02
Net investment income (loss) (in dollars per share)			0.66	0.73
Net realized and unrealized gains (losses) (in dollars per share)			(0.10)	0.03
Total net increase (decrease) (in dollars per share)			0.56	0.76
Net increase (decrease) in members' capital from capital transactions (in dollars per share)			0.01	0.01
Distributions declared to unitholders from net investment income (in dollars per share)			(0.661)	(0.755)
Member's capital, ending balance (in dollars per share)	$ 9.95	$ 10.03	$ 9.95	$ 10.03
Total return based on members' capital			5.86%	7.82%
Units outstanding at end of period (in shares)	42,529,615	29,430,300	42,529,615	29,430,300	33,306,325
Average weighted units outstanding for the period - basic (in shares)	38,474,932	24,578,566	35,066,896	17,356,654
Average weighted units outstanding for the period - diluted (in shares)	38,474,932	24,578,566	35,066,896	17,356,654
Average members' capital for the period			$ 350,747	$ 174,033
Ratio to average members' capital:
Net investment income (loss)			8.86%	9.76%
Total expenses, before waivers			3.39%	4.30%
Total expenses, net of waivers			3.39%	3.93%
Asset coverage ratio	3486.66%		3486.66%
Portfolio turnover			19.91%	14.55%
Capital Commitments			$ 512,405	$ 490,505
Funded Capital Commitments	$ 425,296	$ 294,303	$ 425,296	$ 294,303
Percentage of Capital Commitments funded			83.00%	60.00%
BMO Subscription Line
Ratio to average members' capital:
Average debt outstanding			$ 51,938	$ 14,931