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FINANCIAL HIGHLIGHTS (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 | Jun. 30, 2023 | Sep. 30, 2022 | Jun. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Mar. 31, 2023
Investment Company, Financial Highlights [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Net asset value at beginning of period (in USD per share) | $ 12.99 |  | $ 13.09 |  | $ 13.44 |  | $ 13.43 |  | $ 13.09 | $ 13.43 |
Income from investment operations |  |  |  |  |  |  |  |  |  |  |
Net investment (loss) income (in USD per share) | (0.05) |  |  |  | 0.34 |  |  |  | 0.20 | 0.57 |
Net realized gain (in USD per share) | 0.01 |  |  |  | 0.07 |  |  |  | 0.04 | 0.20 |
Net unrealized appreciation (depreciation) (in USD per share) | 1.44 |  |  |  | (0.32) |  |  |  | 1.43 | (0.32) |
Total from investment operations (in USD per share) | 1.40 |  |  |  | 0.09 |  |  |  | 1.67 | 0.45 |
Effect of equity capital activity |  |  |  |  |  |  |  |  |  |  |
Cash distributions to common stockholders from net investment income (in USD per share) | (0.20) | [1] | (0.21) | [1] | (0.14) | [1] | (0.10) | [1] | (0.41) | (0.24) |
Cash distributions to common stockholders from net realized gains (in USD per share) | (0.16) | [1] | (0.15) | [1] | (0.08) | [1] | (0.25) | [1] | (0.31) | (0.33) |
Total from equity capital activity (in USD per share) | (0.36) |  |  |  | (0.22) |  |  |  | (0.72) | (0.57) |
Other, net (in USD per share) | 0 |  |  |  | 0 |  |  |  | (0.01) | 0 |
Net asset value at end of period (in USD per share) | 14.03 |  | 12.99 |  | 13.31 |  | 13.44 |  | 14.03 | 13.31 |
Per common share market value at beginning of period (in USD per share) | 13.04 |  | 13.25 |  | 14.08 |  | 16.13 |  | 13.25 | 16.13 |
Per common share market value at end of period (in USD per share) | $ 12.74 |  | $ 13.04 |  | $ 12.10 |  | $ 14.08 |  | $ 12.74 | $ 12.10 |
Total investment return | 0.42% |  |  |  | (12.64%) |  |  |  | 1.54% | (21.91%) |
Common stock outstanding at end of period (in shares) | 33,895,675 |  |  |  | 33,234,663 |  |  |  | 33,895,675 | 33,234,663 | 33,591,505
Statement of Assets and Liabilities Data: |  |  |  |  |  |  |  |  |  |  |
Net assets at end of period | $ 475,666 |  |  |  | $ 442,470 |  |  |  | $ 475,666 | $ 442,470 |
Average net assets | 452,907 |  |  |  | 449,419 |  |  |  | 445,936 | 447,398 |
Senior Securities Data: |  |  |  |  |  |  |  |  |  |  |
Total borrowings, at cost | $ 416,538 |  |  |  | $ 279,088 |  |  |  | $ 416,538 | $ 279,088 |
Ratios/Supplemental Data: |  |  |  |  |  |  |  |  |  |  |
Ratio of net expenses to average net assets – annualized | 19.44% |  |  |  | 8.35% |  |  |  | 15.19% | 9.52% |
Ratio of net investment (loss) income to average net assets – annualized | (1.53%) |  |  |  | 10.16% |  |  |  | 3.01% | 8.40% |
Ratio of expenses to average net assets - annualized | 23.30% |  |  |  | 11.50% |  |  |  | 18.70% | 12.23% |
Ratio of net investment income (loss) to average net assets – annualized | (5.39%) |  |  |  | 7.01% |  |  |  | (0.50%) | 5.69% |
[1] | Refer to Note 8 — Distributions to Common Stockholders in the accompanying Notes to Consolidated Financial Statements for additional information.

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