v3.26.1
Derivatives - Schedule of Realized and Unrealized Gain (Loss) on Forward Currency Contract (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2023
Open Forward Foreign Currency Contract [Line Items]      
Change in unrealized appreciation (depreciation) on forward currency contracts recognized in income $ (864) $ 0 $ 0
Foreign exchange      
Open Forward Foreign Currency Contract [Line Items]      
Realized gain (loss) on forward currency contracts recognized in income 0 0 0
Change in unrealized appreciation (depreciation) on forward currency contracts recognized in income $ (864) $ 0 $ 0