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Termination | 9 Months Ended
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Mar. 31, 2016
Termination [Abstract] |
Termination Disclosure [Text Block] | (9) Termination The term of the Fund is perpetual unless terminated earlier in certain circumstances as described in the Prospectus.

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- References No definition available. + Details
Name: | cik000161094_TerminationAbstract
Namespace Prefix: | cik000161094_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The entire disclosure of termination related to the company. + References No definition available. + Details
Name: | cik000161094_TerminationDisclosureTextBlock
Namespace Prefix: | cik000161094_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration