|
Agreements - Additional Information (Detail) (USD $)
|
5 Months Ended | 9 Months Ended |
|---|---|---|
|
Jun. 03, 2014
|
Sep. 30, 2014
|
|
| Management Fee paid to sponsor, percent per annum of the average daily NAV of each Geared Fund | 0.75% | 0.75% |
|
Maximum [Member]
|
||
| Allowable Percentage of SEC registration fee | 0.021% | 0.021% |
| Allowable Percentage of schedule K-1 prepartaions and mailing fee | 0.10% | 0.10% |
| Allowable routine operational, administrative and other ordinary expenses. | $ 100,000 | $ 100,000 |