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Significant Accounting Policies (Schedule Of Gold Receivable And Payable) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Significant Accounting Policies [Abstract]    
Gold receivable $ 5,808sgol_BullionReceivableAtMarketValue $ 0sgol_BullionReceivableAtMarketValue
Gold payable $ 0sgol_BullionPayableAtMarketValue $ 23,493sgol_BullionPayableAtMarketValue