FINANCIAL HIGHLIGHTS - Per Unit Performance Data and Other Supplemental Financial Data (Details) - $ / shares |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| USCI | ||||
| Per Share Operating Performance: | ||||
| Net asset value, beginning of period | $ 95.34 | $ 72 | $ 77.48 | $ 66.04 |
| Total income (loss) | (2.66) | 1.44 | 15.41 | 7.58 |
| Total expenses | (0.24) | (0.18) | (0.45) | (0.36) |
| Net increase (decrease) in net asset value | (2.9) | 1.26 | 14.96 | 7.22 |
| Net asset value, end of period | $ 92.44 | $ 73.26 | $ 92.44 | $ 73.26 |
| Total Return | (3.04%) | 1.75% | 19.31% | 10.93% |
| Ratios to Average Net Assets | ||||
| Total income (loss) | (2.86%) | 1.81% | 16.39% | 10.32% |
| Management fees | 0.80% | 0.80% | 0.80% | 0.80% |
| Total expenses excluding management fees | 0.18% | 0.20% | 0.20% | 0.23% |
| Net income (loss) | (3.11%) | 1.56% | 15.90% | 9.81% |
| CPER | ||||
| Per Share Operating Performance: | ||||
| Net asset value, beginning of period | $ 34.31 | $ 31.5 | $ 34.84 | $ 25.23 |
| Total income (loss) | 3.52 | 0.03 | 3.05 | 6.36 |
| Total expenses | (0.08) | (0.07) | (0.14) | (0.13) |
| Net increase (decrease) in net asset value | 3.44 | (0.04) | 2.91 | 6.23 |
| Net asset value, end of period | $ 37.75 | $ 31.46 | $ 37.75 | $ 31.46 |
| Total Return | 10.03% | (0.13%) | 8.35% | 24.69% |
| Ratios to Average Net Assets | ||||
| Total income (loss) | 8.88% | (0.71%) | 4.78% | 20.44% |
| Management fees | 0.65% | 0.65% | 0.65% | 0.65% |
| Total expenses excluding management fees | 0.15% | 0.23% | 0.13% | 0.22% |
| Net income (loss) | 8.68% | (0.93%) | 4.40% | 20.00% |