FINANCIAL HIGHLIGHTS (Details) - $ / shares |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Per Share Operating Performance: | ||||
| Net asset value, beginning of period | $ 11.7 | $ 21.54 | $ 12.2 | $ 16.85 |
| Total income (loss) | 0.11 | (6.18) | (0.35) | (1.43) |
| Total expenses | (0.03) | (0.05) | (0.07) | (0.11) |
| Net increase (decrease) in net asset value | 0.08 | (6.23) | (0.42) | (1.54) |
| Net asset value, end of period | $ 11.78 | $ 15.31 | $ 11.78 | $ 15.31 |
| Total Return | 0.71% | (28.92%) | (3.44%) | (9.14%) |
| Ratios to Average Net Assets | ||||
| Total income (loss) | 3.53% | (32.28%) | 26.17% | 18.13% |
| Management fees | 0.60% | 0.60% | 0.60% | 0.60% |
| Total expenses excluding management fees | 0.60% | 0.60% | 0.62% | 0.65% |
| Net income (loss) | 3.23% | (32.58%) | 25.57% | 17.51% |