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Significant Accounting Policies (Details Narrative) - USD ($)
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Accounting Policies [Abstract]      
Percentage of silver held by sub-custodians 0.00%    
Silver receivable $ 0 $ 0  
Silver payable $ 0 11,367,104  
Minimum block of shares issued redeemed against silver 50,000    
Reserve for uncertain tax positions $ 0 $ 0  
Annualized rate of Sponsor's Fee before waiver 0.45%    
Annualized rate of Sponsors Fee [1] 0.30% 0.30% 0.30%
Maximum sponsor fee for legal expenses $ 100,000    
Sponsor's Fee 1,787,310 $ 1,087,303 $ 984,811
Fees payable to Sponsor 219,813 106,796  
Sponsor fees waived 893,655 543,652 $ 492,406
All other expenses $ 0 $ 0  
[1] The expense ratio is calculated net of the voluntary waiver (refer to Note 2.7). The Gross Expense Ratio is 0.45%.