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Organization and Description of Business (Details) (USD $) In Billions, unless otherwise specified | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2006 Fund | Dec. 31, 2012 Fund
Organization and Description of Business (Textual) [Abstract] |  |
Number of ETF launched by the company | 20 |
Number of ETF had by Company |  | 46
Amount of assets under management |  | $ 18.3

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- Definition The aggregate costs related to asset management during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(d)) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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- Definition Number of exchange traded fund. + References No definition available. + Details
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- Definition Number of exchange traded fund launched. + References No definition available. + Details
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- Details
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