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Commitments and Contingencies - Additional Information (Details) - USD ($)
$ in Millions
Sep. 30, 2025
Sep. 30, 2024
Other Commitments [Line Items]    
Commitments to fund investments $ 344.6 $ 373.9
PSLF | Maximum    
Other Commitments [Line Items]    
Unfunded Commitments $ 13.2 $ 52.5