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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 | 12 Months Ended
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Sep. 30, 2025 | Sep. 30, 2024
Schedule of Quantitative Information About Level 3 Fair Value Measurements of Our Investments [Line Items] |  |
Fair Value | $ 224,187 | $ 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 | $ 74,485 | $ 65,236
Valuation Methodology | Income Approach | Income Approach
Unobservable Input | Market Yield | Market Yield
Range (Weighted Average) | 3.3% - 14.5% (10.0%) | 3.5% - 42.5% (15.3%)
Impact to Valuation From An Increase In Input | Decrease | Decrease
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 | $ 13,428 | $ 1,002
Valuation Methodology | Market Approach | Market Approach
Unobservable Input | EBITDA Multiple | Market Spread
Range (Weighted Average) | 1.8x - 2.8x (2.3x) | 4.5% - 5.0% (4.75%)
Impact to Valuation From An Increase In Input | Increase | 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 | $ 997 | $ 350
Valuation Methodology | Market Approach | Cost Approach
Unobservable Input | Market Spread | Collateral Value
Range (Weighted Average) | 4.8% - 5.5% (5.1%) | N/A
Impact to Valuation From An Increase In Input | Increase | N/A
Senior Secured First Lien Term Loans Four [Member] |  |
Schedule of Quantitative Information About Level 3 Fair Value Measurements of Our Investments [Line Items] |  |
Fair Value | $ 71 |
Valuation Methodology | Recent Purchase |
Unobservable Input | Purchase Price |
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 | $ 6,997 | $ 7,422
Valuation Methodology | Cost Approach | Recent Purchase
Unobservable Input | Collateral Value | Purchase Price
Range (Weighted Average) | N/A | N/A
Impact to Valuation From An Increase In Input | N/A | N/A
Equity/Warrants [Member] |  |
Schedule of Quantitative Information About Level 3 Fair Value Measurements of Our Investments [Line Items] |  |
Fair Value | $ 78,255 | $ 36,683
Valuation Methodology | Market Approach | Cost Approach
Unobservable Input | EBITDA Multiple | Collateral Value
Range (Weighted Average) | 1.3x - 13.0x (11.0x) | N/A
Impact to Valuation From An Increase In Input | Increase | N/A
Equity/Warrants One [Member] |  |
Schedule of Quantitative Information About Level 3 Fair Value Measurements of Our Investments [Line Items] |  |
Fair Value | $ 37,181 | $ 27,014
Valuation Methodology | Cost Approach | Market Approach
Unobservable Input | Replacement Cost | EBITDA Multiple
Range (Weighted Average) | N/A | 4.3x - 10.3x (8.4x)
Impact to Valuation From An Increase In Input | N/A | Increase
Equity/Warrants Two [Member] |  |
Schedule of Quantitative Information About Level 3 Fair Value Measurements of Our Investments [Line Items] |  |
Fair Value | $ 3,948 | $ 101
Valuation Methodology | Market Approach | Recent Purchase
Unobservable Input | Market Quote | Purchase Price
Range (Weighted Average) | N/A | N/A
Impact to Valuation From An Increase In Input | N/A | N/A
Equity/Warrants Three [Member] |  |
Schedule of Quantitative Information About Level 3 Fair Value Measurements of Our Investments [Line Items] |  |
Fair Value | $ 6,000 | $ 83
Valuation Methodology | Market Approach | Income Approach
Unobservable Input | Revenue Multiple | DLOM (Discount for lack of Marketability)
Range (Weighted Average) | 2.5x-3.0x (2.8x) | 27.0% - 31.0% (29.0%)
Impact to Valuation From An Increase In Input | Increase | Decrease
Equity/Warrants Four [Member] |  |
Schedule of Quantitative Information About Level 3 Fair Value Measurements of Our Investments [Line Items] |  |
Fair Value | $ 2,725 |
Valuation Methodology | Income Approach |
Unobservable Input | Market Yield |
Range (Weighted Average) | 28.3%-28.8% (28.5%) |
Impact to Valuation From An Increase In Input | Decrease |
Equity/Warrants Five [Member] |  |
Schedule of Quantitative Information About Level 3 Fair Value Measurements of Our Investments [Line Items] |  |
Fair Value | $ 100 |
Valuation Methodology | Cost Approach |
Unobservable Input | Collateral Value |
Range (Weighted Average) | N/A |
Impact to Valuation From An Increase In Input | N/A |
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 |  | $ 2,399
Valuation Methodology |  | Market Approach
Unobservable Input |  | EBITDA Multiple
Range (Weighted Average) |  | 1.8x - 2.3x (2.0x)
Impact to Valuation From An Increase In Input |  | Increase

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