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SUBSEQUENT EVENTS - Narrative (Details) - USD ($) $ in Thousands |  | 1 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Aug. 04, 2025 | Jul. 31, 2025 | Jun. 30, 2025 | Jun. 30, 2024 | Sep. 30, 2024
Subsequent Event [Line Items] |  |  |  |  |
Purchase of investments |  |  | $ 270,163 | $ 149,122 |
Financial support to investee, not provided |  |  | $ 48,669 |  | $ 57,594
8th Avenue Food and Provisions, Inc. | Subsequent Event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Net proceeds from the sale of investments |  | $ 3,700 |  |  |
MASSiv Brands, LLC | Subsequent Event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Purchase of investments |  | 25,000 |  |  |
Alsay, Inc. | Subsequent Event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Purchase of investments |  | 15,000 |  |  |
Snif-Snax, LLC | Subsequent Event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Purchase of investments |  | 23,700 |  |  |
Precision Manufacturing Business | Subsequent Event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Purchase of investments |  | 13,000 |  |  |
Financial support to investee, not provided |  | $ 4,000 |  |  |
OCI, LLC | Subsequent Event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Purchase of investments | $ 16,600 |  |  |  |

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