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Combined Statement of Financial Condition (Parenthetical)
$ in Thousands
Jun. 30, 2017
USD ($)
$ / shares
Investment in Gold, at cost $ 25,483 [1]
Common stock, par value | $ / shares $ 0.00
SPDR Long Dollar Gold Trust [Member]  
Investment in Gold, at cost $ 25,483 [1]
Common stock, par value | $ / shares $ 0.00
Investment in Gold [Member]  
Investment in Gold, at cost $ 25,483 [1]
Investment in Gold [Member] | SPDR Long Dollar Gold Trust [Member]  
Investment in Gold, at cost $ 25,483 [1]
[1] No comparative has been provided as operations commenced on January 27, 2017. See Note 1.