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FINANCIAL HIGHLIGHTS - Schedule of Financial Highlights, Additional Information (Details) - $ / shares | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022 | Dec. 31, 2021
Investment Company, Financial Highlights [Line Items] |  |  |  |
Additional dividends declared (in dollars per share) |  | $ 0.06 |  |
Per share market value at end of period (in dollars per share) | $ 18.79 | 17.93 | $ 18.47 | $ 21.19
Total distributions to stockholders (in dollars per share) | $ 0.96 | $ 0.90 |  |
Ratio of operating expenses to average net assets | 12.37% | 9.67% |  |
Base management fees |  |  |  |
Investment Company, Financial Highlights [Line Items] |  |  |  |
Ratio of operating expenses to average net assets | 3.19% | 3.25% |  |
Income based fees and capital gains incentive fees |  |  |  |
Investment Company, Financial Highlights [Line Items] |  |  |  |
Ratio of operating expenses to average net assets | 3.08% | 1.76% |  |
Cost of borrowing |  |  |  |
Investment Company, Financial Highlights [Line Items] |  |  |  |
Ratio of operating expenses to average net assets | 5.67% | 4.25% |  |
Other operating expenses |  |  |  |
Investment Company, Financial Highlights [Line Items] |  |  |  |
Ratio of operating expenses to average net assets | 0.43% | 0.41% |  |

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