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Net Asset Value and Financial Highlights (Details Textual)	Mar. 22, 2018	Jan. 01, 2018
Net Asset Value and Financial Highlights (Textual)
Percentage of fund expenses capped	3.50%	1.00%

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- References

No definition available.

+ Details

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- Definition

It denotes the percentage of fund expenses capped at average net assets.

+ References

No definition available.

+ Details

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