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INVESTMENTS - Fair Value Measurement Inputs and Valuation Techniques (Details) $ in Thousands | Jun. 30, 2023 USD ($) | Sep. 30, 2022 USD ($)
--- | --- | ---
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | $ 715,324 | $ 649,615
Leeds Acquisition Holdings, LLC |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | 200 | 6,400
Funko Acquisition Holdings, LLC |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | 31,000 | 58
Significant Unobservable Inputs (Level 3) |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | 715,100 | 643,160
Significant Unobservable Inputs (Level 3) | Yield Analysis | Secured first lien debt |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | 492,379 | 423,912
Significant Unobservable Inputs (Level 3) | Yield Analysis | Secured second lien debt |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | $ 102,328 | $ 97,472
Significant Unobservable Inputs (Level 3) | Yield Analysis | Discount Rate | Secured first lien debt | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value, measurement input | 0.117 | 0.080
Significant Unobservable Inputs (Level 3) | Yield Analysis | Discount Rate | Secured first lien debt | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value, measurement input | 0.370 | 0.295
Significant Unobservable Inputs (Level 3) | Yield Analysis | Discount Rate | Secured first lien debt | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value, measurement input | 0.143 | 0.118
Significant Unobservable Inputs (Level 3) | Yield Analysis | Discount Rate | Secured second lien debt | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value, measurement input | 0.117 | 0.115
Significant Unobservable Inputs (Level 3) | Yield Analysis | Discount Rate | Secured second lien debt | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value, measurement input | 0.155 | 0.154
Significant Unobservable Inputs (Level 3) | Yield Analysis | Discount Rate | Secured second lien debt | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value, measurement input | 0.142 | 0.138
Significant Unobservable Inputs (Level 3) | TEV | Secured first lien debt |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | $ 40,858 | $ 39,946
Significant Unobservable Inputs (Level 3) | TEV | Secured second lien debt |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | 7,425 | 7,665
Significant Unobservable Inputs (Level 3) | TEV | Unsecured debt |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | 32 | 55
Significant Unobservable Inputs (Level 3) | TEV | Preferred and common equity / equivalents |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | $ 61,795 | $ 63,319
Significant Unobservable Inputs (Level 3) | TEV | EBITDA multiple | Secured first lien debt | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value, measurement input | 4.7 | 4.8
Significant Unobservable Inputs (Level 3) | TEV | EBITDA multiple | Secured first lien debt | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value, measurement input | 5.9 | 6.7
Significant Unobservable Inputs (Level 3) | TEV | EBITDA multiple | Secured first lien debt | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value, measurement input | 5.8 | 6.2
Significant Unobservable Inputs (Level 3) | TEV | EBITDA multiple | Secured second lien debt | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value, measurement input | 5.5 | 5.6
Significant Unobservable Inputs (Level 3) | TEV | EBITDA multiple | Secured second lien debt | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value, measurement input | 5.5 | 5.6
Significant Unobservable Inputs (Level 3) | TEV | EBITDA multiple | Secured second lien debt | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value, measurement input | 5.5 | 5.6
Significant Unobservable Inputs (Level 3) | TEV | EBITDA multiple | Preferred and common equity / equivalents | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value, measurement input | 4.3 | 4.1
Significant Unobservable Inputs (Level 3) | TEV | EBITDA multiple | Preferred and common equity / equivalents | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value, measurement input | 12.9 | 11
Significant Unobservable Inputs (Level 3) | TEV | EBITDA multiple | Preferred and common equity / equivalents | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value, measurement input | 6.7 | 6.5
Significant Unobservable Inputs (Level 3) | TEV | EBITDA | Secured first lien debt | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | $ 960 | $ 800
Significant Unobservable Inputs (Level 3) | TEV | EBITDA | Secured first lien debt | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | 14,121 | 10,257
Significant Unobservable Inputs (Level 3) | TEV | EBITDA | Secured first lien debt | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | 13,605 | 7,605
Significant Unobservable Inputs (Level 3) | TEV | EBITDA | Secured second lien debt | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | 3,441 | 3,299
Significant Unobservable Inputs (Level 3) | TEV | EBITDA | Secured second lien debt | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | 3,441 | 3,299
Significant Unobservable Inputs (Level 3) | TEV | EBITDA | Secured second lien debt | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | 3,441 | 3,299
Significant Unobservable Inputs (Level 3) | TEV | EBITDA | Preferred and common equity / equivalents | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | 960 | 800
Significant Unobservable Inputs (Level 3) | TEV | EBITDA | Preferred and common equity / equivalents | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | 108,146 | 74,512
Significant Unobservable Inputs (Level 3) | TEV | EBITDA | Preferred and common equity / equivalents | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | $ 10,410 | $ 11,742
Significant Unobservable Inputs (Level 3) | TEV | Revenue multiple | Secured first lien debt | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value, measurement input | 0.3 | 0.3
Significant Unobservable Inputs (Level 3) | TEV | Revenue multiple | Secured first lien debt | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value, measurement input | 0.8 | 0.6
Significant Unobservable Inputs (Level 3) | TEV | Revenue multiple | Secured first lien debt | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value, measurement input | 0.6 | 0.5
Significant Unobservable Inputs (Level 3) | TEV | Revenue multiple | Unsecured debt | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value, measurement input | 1.3 | 0.3
Significant Unobservable Inputs (Level 3) | TEV | Revenue multiple | Unsecured debt | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value, measurement input | 1.3 | 1.3
Significant Unobservable Inputs (Level 3) | TEV | Revenue multiple | Unsecured debt | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value, measurement input | 1.3 | 1
Significant Unobservable Inputs (Level 3) | TEV | Revenue multiple | Preferred and common equity / equivalents | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value, measurement input | 0.3 | 0.3
Significant Unobservable Inputs (Level 3) | TEV | Revenue multiple | Preferred and common equity / equivalents | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value, measurement input | 3 | 4.4
Significant Unobservable Inputs (Level 3) | TEV | Revenue multiple | Preferred and common equity / equivalents | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value, measurement input | 1.2 | 1.4
Significant Unobservable Inputs (Level 3) | TEV | Revenue | Secured first lien debt | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | $ 15,375 | $ 11,514
Significant Unobservable Inputs (Level 3) | TEV | Revenue | Secured first lien debt | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | 16,322 | 16,320
Significant Unobservable Inputs (Level 3) | TEV | Revenue | Secured first lien debt | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | 15,922 | 14,656
Significant Unobservable Inputs (Level 3) | TEV | Revenue | Unsecured debt | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | 5,270 | 764
Significant Unobservable Inputs (Level 3) | TEV | Revenue | Unsecured debt | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | 5,270 | 11,514
Significant Unobservable Inputs (Level 3) | TEV | Revenue | Unsecured debt | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | 5,270 | 4,249
Significant Unobservable Inputs (Level 3) | TEV | Revenue | Preferred and common equity / equivalents | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | 3,447 | 764
Significant Unobservable Inputs (Level 3) | TEV | Revenue | Preferred and common equity / equivalents | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | 16,322 | 42,926
Significant Unobservable Inputs (Level 3) | TEV | Revenue | Preferred and common equity / equivalents | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | 14,798 | 19,963
Significant Unobservable Inputs (Level 3) | Market Quote | Secured second lien debt |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investments owned, fair value | $ 10,283 | $ 10,791
Significant Unobservable Inputs (Level 3) | Market Quote | IBP | Secured second lien debt | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value, measurement input | 0.660 | 0.820
Significant Unobservable Inputs (Level 3) | Market Quote | IBP | Secured second lien debt | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value, measurement input | 0.993 | 0.950
Significant Unobservable Inputs (Level 3) | Market Quote | IBP | Secured second lien debt | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value, measurement input | 0.824 | 0.865

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