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Significant Accounting Policies (Categorization Of The Trust's Assets) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Significant Accounting Policies [Abstract]
Investment in gold	$ 912,076us-gaap_InvestmentInPhysicalCommoditiesFairValueDisclosure	$ 940,011us-gaap_InvestmentInPhysicalCommoditiesFairValueDisclosure

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- Definition

Fair value of investment held in physical commodities, for example, but not limited to, gold, silver, platinum, crude oil, coal, sugar, rice, wheat.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19190-110258

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