| DISTRIBUTIONS TO COMMON STOCKHOLDERS - Narrative (Details) $ in Millions | 3 Months Ended | 12 Months Ended | |
|---|---|---|---|
| Dec. 31, 2024  USD ($)  distribution | Dec. 31, 2023  USD ($) | Sep. 30, 2024  USD ($) | |
| Equity [Abstract] | |||
| Investment company, number of monthly distributions | distribution | 3 | ||
| Investment company, cash distributions paid to common stockholders from ordinary income | 83.10% | 100.00% | |
| Investment company, cash distributions paid to common stockholders from capital gains | 16.90% | ||
| Cash distributions to common stockholders | $ 20.0 | $ 10.8 | |
| Tax return of capital distribution | $ 6.6 | ||
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- Definition Investment Company, Cash Distributions Paid To Common Stockholders From Capital Gains, Percent No definition available. 
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- Definition Investment Company, Cash Distributions Paid To Common Stockholders From Ordinary Income, Percent No definition available. 
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- Definition Investment Company, Number Of Monthly Distributions No definition available. 
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- Definition Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- References No definition available. 
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- Definition Amount of distribution in excess of tax-basis earnings and profit of investment company. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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