Risk - Additional Information (Detail) |
6 Months Ended |
|---|---|
Jun. 30, 2022 | |
| Unusual Risk or Uncertainty [Line Items] | |
| Inverse correlation, description | The return of a Geared Fund for a period longer than a single day is the result of its return for each day compounded over the period and usually will differ in amount and possibly even direction from one-half the inverse (-0.5x), the inverse (-1x), two times the inverse (-2x), one and one-half times (1.5x) the return or two times (2x) the return of the Geared Fund’s benchmark for the period. |
| Ultrashort Fund [Member] | |
| Unusual Risk or Uncertainty [Line Items] | |
| Leverage risk benchmark | 50.00% |