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Investments - Schedule of Investments at Amortized Cost and Fair Value (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Sep. 30, 2024
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Senior Secured First Lien Term Loans [Member] |  |
Schedule of Investments at Amortized Cost and Fair Value [Line Items] |  |
Amortized Cost | $ 128,208 | $ 129,957
Percentage | 40.20% | 49.80%
Fair Value | $ 119,867 | $ 113,990
Percentage | 40.60% | 50.00%
Senior Secured Notes [Member] |  |
Schedule of Investments at Amortized Cost and Fair Value [Line Items] |  |
Amortized Cost | $ 17,156 | $ 18,127
Percentage | 5.40% | 7.00%
Fair Value | $ 17,528 | $ 18,476
Percentage | 6.00% | 8.10%
Fund Investment [Member] |  |
Schedule of Investments at Amortized Cost and Fair Value [Line Items] |  |
Amortized Cost | $ 1,746 | $ 1,746
Percentage | 0.50% | 0.70%
Fair Value | $ 1,650 | $ 1,525
Percentage | 0.60% | 0.70%
Equity/Warrants [Member] |  |
Schedule of Investments at Amortized Cost and Fair Value [Line Items] |  |
Amortized Cost | $ 171,695 | $ 110,930
Percentage | 53.90% | 42.50%
Fair Value | $ 155,394 | $ 93,925
Percentage | 52.80% | 41.20%
Investments [Member] |  |
Schedule of Investments at Amortized Cost and Fair Value [Line Items] |  |
Amortized Cost | $ 318,805 | $ 260,760
Percentage | 100.00% | 100.00%
Fair Value | $ 294,439 | $ 227,916
Percentage | 100.00% | 100.00%

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