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Significant Accounting Policies (Narrative) (Details) (USD $)
 3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Dec. 31, 2012
Significant Accounting Policies [Abstract]          
Annualized rate of Sponsors Fee     0.60%    
Sponsor Fees $ 804,952 $ 766,109 $ 1,626,050 $ 689,202  
Fees payable to the Sponsor 249,391   249,391   254,522
Palladium receivable ounces of palladium 9,793.428   9,793.428    
Palladium receivable at lower of cost or market value 6,297,174   6,297,174    
Palladium receivable at market value $ 6,297,174   $ 6,297,174   $ 0