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v3.23.2

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 USD ($) loan investment | Jun. 30, 2022 USD ($) | Jun. 30, 2023 USD ($) loan investment | Jun. 30, 2022 USD ($) | Sep. 30, 2022 USD ($) investment loan
Summary of Investment Holdings [Line Items] |  |  |  |  |
Cost | $ 735,182,000 |  | $ 735,182,000 |  | $ 656,053,000
Fair Value | 715,324,000 |  | 715,324,000 |  | 649,615,000
Total interest income (excluding PIK interest income) | 20,971,000 | $ 11,948,000 | 57,143,000 | $ 35,725,000 |
PIK interest income | 845,000 | 645,000 | 2,618,000 | 2,696,000 |
OID |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |
Fair Value | $ 800,000 |  | $ 800,000 |  | $ 900,000
Number of loans | loan | 4 |  | 4 |  | 4
Total interest income (excluding PIK interest income) | $ 49,000 | 46,000 | $ 200,000 | 200,000 |
PIK |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |
Number of investments | investment | 8 |  | 8 |  | 6
Proceeds from interest received | $ 0 | $ 0 | $ 400,000 | $ 2,400,000 |
Edge Adhesives Holdings, Inc. |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |
Cost | $ 6,100,000 |  | $ 6,100,000 |  | $ 0
Cost percentage | 0.90% |  | 0.90% |  |
Fair Value | $ 2,800,000 |  | $ 2,800,000 |  | $ 0
Fair value percentage | 0.40% |  | 0.40% |  |

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