v3.23.3
Consolidated Schedule of Investments - Parenthetical - $ / shares
 12 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Schedule of Investments [Line Items]    
Percentage of total assets representing qualifying assets 73.60% 75.70%
Percentage of total assets representing non-qualifying assets 26.40% 24.30%
Share-Based Payment Arrangement, Tranche One    
Schedule of Investments [Line Items]    
Investment owned, balance, shares, VWAP threshold (in dollars per share) $ 15.00 $ 15.00
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
Share-Based Payment Arrangement, 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