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Fair Value Measurements (Details) - Schedule of Quantitative Information About Level 3 Fair Value Measurements of Our Investments - USD ($) $ in Thousands | Dec. 31, 2023 | Sep. 30, 2023
--- | --- | ---
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair Value | $ 163,919 | $ 165,316
Fair Value, Inputs, Level 3 [Member] | Senior Secured First Lien Term Loans [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair Value | $ 68,020 | $ 69,943
Valuation Methodology | Income Approach | Income Approach
Unobservable Input | Market Yield | Market Yield
Range (Weighted Average) | (14.88%) | (13.78%)
Impact to Valuation From An Increase In Input | Decrease | Decrease
Fair Value, Inputs, Level 3 [Member] | Senior Secured First Lien Term Loans [Member] | Minimum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Range (Weighted Average) | 9.0% | 8.50%
Fair Value, Inputs, Level 3 [Member] | Senior Secured First Lien Term Loans [Member] | Maximum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Range (Weighted Average) | 36.0% | 32.0%
Fair Value, Inputs, Level 3 [Member] | Senior Secured First Lien Term Loans One [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair Value | $ 13,520 | $ 751
Valuation Methodology | Market Approach | Market Approach
Unobservable Input | EBITDA Multiple | Revenue Multiple
Range (Weighted Average) | (2.8 | (0.3
Impact to Valuation From An Increase In Input | Increase | Increase
Fair Value, Inputs, Level 3 [Member] | Senior Secured First Lien Term Loans One [Member] | Minimum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Range (Weighted Average) | 1.6 | 0.3
Fair Value, Inputs, Level 3 [Member] | Senior Secured First Lien Term Loans One [Member] | Maximum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Range (Weighted Average) | 5.0 | 0.3
Fair Value, Inputs, Level 3 [Member] | Senior Secured First Lien Term Loans Two [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair Value | $ 856 | $ 10,939
Valuation Methodology | Market Approach | Market Approach
Unobservable Input | LTM EBITDA Multiple | EBITDA Multiple
Range (Weighted Average) | (6.8 | (3.1
Impact to Valuation From An Increase In Input | Increase | Increase
Fair Value, Inputs, Level 3 [Member] | Senior Secured First Lien Term Loans Two [Member] | Minimum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Range (Weighted Average) | 6.3 | 1.7
Fair Value, Inputs, Level 3 [Member] | Senior Secured First Lien Term Loans Two [Member] | Maximum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Range (Weighted Average) | 7.3 | 5.0
Fair Value, Inputs, Level 3 [Member] | Equity Warrants [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair Value | $ 36,411 | $ 38,870
Valuation Methodology | Cost Approach | Cost Approach
Unobservable Input | Collateral Value | Collateral Value
Impact to Valuation From An Increase In Input | N/A | N/A
Fair Value, Inputs, Level 3 [Member] | Equity Warrants [Member] | Maximum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Range (Weighted Average) | N/A | N/A
Fair Value, Inputs, Level 3 [Member] | Equity/Warrants One [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair Value | $ 10,759 | $ 11,734
Valuation Methodology | Market Approach | Market Approach
Unobservable Input | LTM Multiple | LTM Multiple
Range (Weighted Average) | (6.8 | (6.3
Impact to Valuation From An Increase In Input | Increase | Increase
Fair Value, Inputs, Level 3 [Member] | Equity/Warrants One [Member] | Minimum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Range (Weighted Average) | 6.3 | 5.8
Fair Value, Inputs, Level 3 [Member] | Equity/Warrants One [Member] | Maximum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Range (Weighted Average) | 7.3 | 6.8
Fair Value, Inputs, Level 3 [Member] | Equity/Warrants Two [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair Value | $ 34,124 | $ 22,007
Valuation Methodology | Market Approach | Market Approach
Unobservable Input | EBITDA Multiple | EBITDA Multiple
Range (Weighted Average) | (4.1 | (2.8
Impact to Valuation From An Increase In Input | Increase | Increase
Fair Value, Inputs, Level 3 [Member] | Equity/Warrants Two [Member] | Minimum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Range (Weighted Average) | 1.3 | 1.8
Fair Value, Inputs, Level 3 [Member] | Equity/Warrants Two [Member] | Maximum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Range (Weighted Average) | 36.8 | 36.8
Fair Value, Inputs, Level 3 [Member] | Equity/Warrants Three [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair Value | $ 229 | $ 10,000
Valuation Methodology | Income Approach | Recent Purchase
Unobservable Input | DLOM (Discount for lack of Marketability) | Purchase Price
Range (Weighted Average) | (3.1 |
Impact to Valuation From An Increase In Input | Decrease | N/A
Fair Value, Inputs, Level 3 [Member] | Equity/Warrants Three [Member] | Minimum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Range (Weighted Average) | 3.0 |
Fair Value, Inputs, Level 3 [Member] | Equity/Warrants Three [Member] | Maximum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Range (Weighted Average) | 3.1 | N/A – N/A (N/A)
Fair Value, Inputs, Level 3 [Member] | Senior Secured First Lien Term Loans Three [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair Value |  | $ 866
Valuation Methodology |  | Market Approach
Unobservable Input |  | LTM EBITDA Multiple
Range (Weighted Average) |  | (6.3
Impact to Valuation From An Increase In Input |  | Increase
Fair Value, Inputs, Level 3 [Member] | Senior Secured First Lien Term Loans Three [Member] | Minimum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Range (Weighted Average) |  | 5.8
Fair Value, Inputs, Level 3 [Member] | Senior Secured First Lien Term Loans Three [Member] | Maximum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Range (Weighted Average) |  | 6.8
Fair Value, Inputs, Level 3 [Member] | Equity/Warrants Four [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair Value |  | $ 206
Valuation Methodology |  | Income Approach
Unobservable Input |  | DLOM (Discount for lack of Marketability)
Range (Weighted Average) |  | (3.1
Impact to Valuation From An Increase In Input |  | Decrease
Fair Value, Inputs, Level 3 [Member] | Equity/Warrants Four [Member] | Minimum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Range (Weighted Average) |  | 3.0
Fair Value, Inputs, Level 3 [Member] | Equity/Warrants Four [Member] | Maximum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Range (Weighted Average) |  | 3.2

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