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Net Asset Value and Financial Highlights (Details Textual)	Feb. 20, 2015
Percentage Of Fund Expenses Capped	1.50%

X

- Definition

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

+ References

No definition available.

+ Details

Name:	cik000161094_PercentageOfFundExpensesCapped
Namespace Prefix:	cik000161094_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant