v3.10.0.1

Offering Costs - Additional Information (Detail) | 6 Months Ended
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Jun. 30, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Offering costs, amortization period | 12 months
Reimbursement from sponsors, percentage of the average daily NAV | 0.95%

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- Definition Offering costs, amortization period, months. + References No definition available. + Details
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- Definition Percentage of average daily NAV of fund. + References No definition available. + Details
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- References No definition available. + Details
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