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Fair Value Measurements - Schedule of Quantitative Information About Level 3 Fair Value Measurements of Our Investments (Details) - Level 3 [Member] - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Sep. 30, 2024
Schedule of Quantitative Information About Level 3 Fair Value Measurements of Our Investments [Line Items] |  |
Fair Value | $ 229,412 | $ 140,290
Senior Secured First Lien Term Loans [Member] |  |
Schedule of Quantitative Information About Level 3 Fair Value Measurements of Our Investments [Line Items] |  |
Fair Value | $ 79,816 | $ 65,236
Valuation Methodology | Income Approach | Income Approach
Unobservable Input | Market Yield | Market Yield
Range (Weighted Average) | 3.5% - 18.25% (11.6%) | 3.5% - 42.5% (15.3%)
Impact to Valuation From An Increase In Input | Decrease | Decrease
Senior Secured First Lien Term Loans One [Member] |  |
Schedule of Quantitative Information About Level 3 Fair Value Measurements of Our Investments [Line Items] |  |
Fair Value | $ 1,434 | $ 2,399
Valuation Methodology | Market Approach | Market Approach
Unobservable Input | EBITDA Multiple | EBITDA Multiple
Range (Weighted Average) | 1.4x - 1.6x (1.5x) | 1.8x - 2.3x (2.0x)
Impact to Valuation From An Increase In Input | Increase | Increase
Senior Secured First Lien Term Loans Two [Member] |  |
Schedule of Quantitative Information About Level 3 Fair Value Measurements of Our Investments [Line Items] |  |
Fair Value | $ 997 | $ 1,002
Valuation Methodology | Market Approach | Market Approach
Unobservable Input | Market Quote | Market Spread
Range (Weighted Average) |  | 4.5% - 5.0% (4.75%)
Impact to Valuation From An Increase In Input |  | Decrease
Senior Secured First Lien Term Loans Three [Member] |  |
Schedule of Quantitative Information About Level 3 Fair Value Measurements of Our Investments [Line Items] |  |
Fair Value | $ 13,592 | $ 350
Valuation Methodology | Recent Purchase | Cost Approach
Unobservable Input | Purchase Price | Collateral Value
Range (Weighted Average) | N/A |
Impact to Valuation From An Increase In Input | N/A |
Senior Secured Notes [Member] |  |
Schedule of Quantitative Information About Level 3 Fair Value Measurements of Our Investments [Line Items] |  |
Fair Value | $ 7,422 | $ 7,422
Valuation Methodology | Cost Approach | Recent Purchase
Unobservable Input | Collateral Value | Purchase Price
Range (Weighted Average) |  |
Impact to Valuation From An Increase In Input |  |
Equity/Warrants [Member] |  |
Schedule of Quantitative Information About Level 3 Fair Value Measurements of Our Investments [Line Items] |  |
Fair Value | $ 36,775 | $ 36,683
Valuation Methodology | Cost Approach | Cost Approach
Unobservable Input | Replacement Cost | Collateral Value
Range (Weighted Average) |  |
Impact to Valuation From An Increase In Input |  |
Equity/Warrants One [Member] |  |
Schedule of Quantitative Information About Level 3 Fair Value Measurements of Our Investments [Line Items] |  |
Fair Value | $ 81,778 | $ 27,014
Valuation Methodology | Market Approach | Market Approach
Unobservable Input | EBITDA Multiple | EBITDA Multiple
Range (Weighted Average) | 1.4x - 10.3x (8.3x) | 4.3x - 10.3x (8.4x)
Impact to Valuation From An Increase In Input | Increase | Increase
Equity/Warrants Two [Member] |  |
Schedule of Quantitative Information About Level 3 Fair Value Measurements of Our Investments [Line Items] |  |
Fair Value | $ 2,537 | $ 101
Valuation Methodology | Income Approach | Recent Purchase
Unobservable Input | Market Yield | Purchase Price
Range (Weighted Average) | 9.0%-28.8% (25.1%) |
Impact to Valuation From An Increase In Input | Decrease |
Equity/Warrants Three [Member] |  |
Schedule of Quantitative Information About Level 3 Fair Value Measurements of Our Investments [Line Items] |  |
Fair Value | $ 3,375 | $ 83
Valuation Methodology | Recent Purchase | Income Approach
Unobservable Input | Purchase Price | DLOM (Discount for lack of Marketability)
Range (Weighted Average) |  | 27.0% - 31.0% (29.0%)
Impact to Valuation From An Increase In Input |  | Decrease
Equity/Warrants Four [Member] |  |
Schedule of Quantitative Information About Level 3 Fair Value Measurements of Our Investments [Line Items] |  |
Fair Value | $ 1,686 |
Valuation Methodology | Income Approach |
Unobservable Input | DLOM (Discount for lack of Marketability) |
Range (Weighted Average) | 39.0%-45.0% (42.0%) |
Impact to Valuation From An Increase In Input | Decrease |

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