Consolidated Schedule of Investments - Parenthetical - USD ($)	9 Months Ended	12 Months Ended
	Jun. 30, 2026	Sep. 30, 2025
Schedule of Investments [Line Items]
Investment owned, percent of net assets (as a percent)	198.24%	194.28%
Money market funds, percent of net assets (as a percent)	2.90%	5.40%
Percentage of total assets representing qualifying assets (as a percent)	72.60%	74.10%
Percentage of total assets representing non-qualifying assets (as a percent)	27.40%	25.90%
Restricted investments, fair value	$ 136,464,000	$ 153,067
Restricted investments, percent of net assets (as a percent)	9.90%	10.40%
Non-control/Non-affiliate investments
Schedule of Investments [Line Items]
Investment owned, percent of net assets (as a percent)	180.90%	175.00%
Earnout Share Vesting, Tranche Two
Schedule of Investments [Line Items]
Investment owned, balance, shares, VWAP threshold (in dollars per share)	$ 20.00	$ 20.00
Investment owned, balance, shares, VWAP number of trading days	10 days	10 days
Investment owned, balance, shares, VWAP, number of consecutive trading days	20 days	20 days
Minimum
Schedule of Investments [Line Items]
Debt instrument, floor interest rate (as a percent)	0.00%	0.00%
Maximum
Schedule of Investments [Line Items]
Debt instrument, floor interest rate (as a percent)	3.00%	3.00%