Investments - Schedule of Investments at Amortized Cost and Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Sep. 30, 2025
Senior Secured First Lien Term Loans [Member]
Schedule of Investments at Amortized Cost and Fair Value [Line Items]
Amortized Cost	$ 127,359	$ 125,373
Percentage	39.30%	38.60%
Fair Value	$ 113,491	$ 116,567
Percentage	38.40%	38.60%
Senior Secured Notes [Member]
Schedule of Investments at Amortized Cost and Fair Value [Line Items]
Amortized Cost	$ 13,576	$ 17,039
Percentage	4.20%	5.30%
Fair Value	$ 13,399	$ 17,457
Percentage	4.50%	5.80%
Fund Investment [Member]
Schedule of Investments at Amortized Cost and Fair Value [Line Items]
Amortized Cost	$ 2,138	$ 2,194
Percentage	0.70%	0.70%
Fair Value	$ 2,320	$ 2,227
Percentage	0.80%	0.70%
Equity/Warrants [Member]
Schedule of Investments at Amortized Cost and Fair Value [Line Items]
Amortized Cost	$ 180,339	$ 179,783
Percentage	55.80%	55.40%
Fair Value	$ 166,601	$ 166,021
Percentage	56.30%	54.90%
Investments [Member]
Schedule of Investments at Amortized Cost and Fair Value [Line Items]
Amortized Cost	$ 313,412	$ 324,389
Percentage	100.00%	100.00%
Fair Value	$ 295,811	$ 302,272
Percentage	100.00%	100.00%