Statements of Operations - USD ($)		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Expenses
Sponsor's fees		$ 27,765,547	$ 25,335,523	$ 28,299,587
Total expenses		27,765,547	25,335,523	28,299,587
Net investment loss		(27,765,547)	(25,335,523)	(28,299,587)
Net Realized and Unrealized Gain (Loss)
Silver bullion sold to pay expenses		(2,188,446)	(3,730,211)	(2,210,911)
Silver bullion distributed for the redemption of Shares		(52,914,435)	(132,049,264)	(89,909,906)
Net realized loss		(55,102,881)	(135,779,475)	(92,120,817)
Net change in unrealized appreciation/depreciation		984,801,878	(311,211,423)	337,891,452
Net realized and unrealized gain (loss)		929,698,997	(446,990,898)	245,770,635
Net increase (decrease) in net assets resulting from operations		$ 901,933,450	$ (472,326,421)	$ 217,471,048
Net increase (decrease) in net assets per Share (in dollars per share)	[1]	$ 2.47	$ (1.38)	$ 0.62

[1] Net increase (decrease) in net assets per Share based on average shares outstanding during the year.