v3.26.1
Fair Value Measurements - Schedule of Fair Value Measurements of Investments (Details) - Investments [Member] - USD ($)
$ in Thousands
Jun. 30, 2026
Sep. 30, 2025
Schedule of Fair Value Measurements of Investments [Line Items]    
Investments total $ 299,225 $ 300,045
Investments measured at net asset value [1] 2,412 2,227
Total Investments, at fair value 301,637 302,272
Senior Secured First Lien Term Loans [Member]    
Schedule of Fair Value Measurements of Investments [Line Items]    
Investments total 119,447 116,567
Senior Secured Notes [Member]    
Schedule of Fair Value Measurements of Investments [Line Items]    
Investments total 15,112 17,457
Equity/Warrants [Member]    
Schedule of Fair Value Measurements of Investments [Line Items]    
Investments total 164,666 166,021
Level 1 [Member]    
Schedule of Fair Value Measurements of Investments [Line Items]    
Investments total 24,295 37,812
Level 1 [Member] | Senior Secured First Lien Term Loans [Member]    
Schedule of Fair Value Measurements of Investments [Line Items]    
Investments total
Level 1 [Member] | Senior Secured Notes [Member]    
Schedule of Fair Value Measurements of Investments [Line Items]    
Investments total
Level 1 [Member] | Equity/Warrants [Member]    
Schedule of Fair Value Measurements of Investments [Line Items]    
Investments total 24,295 37,812
Level 2 [Member]    
Schedule of Fair Value Measurements of Investments [Line Items]    
Investments total 29,365 38,046
Level 2 [Member] | Senior Secured First Lien Term Loans [Member]    
Schedule of Fair Value Measurements of Investments [Line Items]    
Investments total 21,250 27,586
Level 2 [Member] | Senior Secured Notes [Member]    
Schedule of Fair Value Measurements of Investments [Line Items]    
Investments total 8,115 10,460
Level 2 [Member] | Equity/Warrants [Member]    
Schedule of Fair Value Measurements of Investments [Line Items]    
Investments total
Level 3 [Member]    
Schedule of Fair Value Measurements of Investments [Line Items]    
Investments total 245,565 224,187
Level 3 [Member] | Senior Secured First Lien Term Loans [Member]    
Schedule of Fair Value Measurements of Investments [Line Items]    
Investments total 98,197 88,981
Level 3 [Member] | Senior Secured Notes [Member]    
Schedule of Fair Value Measurements of Investments [Line Items]    
Investments total 6,997 6,997
Level 3 [Member] | Equity/Warrants [Member]    
Schedule of Fair Value Measurements of Investments [Line Items]    
Investments total $ 140,371 $ 128,209
[1] Certain investments that are measured at fair value using NAV have not been categorized in the fair value hierarchy. The fair value amounts presented in the table are intended to permit reconciliation of the fair value hierarchy to the amount presented in the Consolidated Statements of Assets and Liabilities.