Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Cash Flows from Operating Activities
Proceeds from silver bullion sold to pay expenses	$ 6,542,908	$ 7,056,499
Expenses – Sponsor’s fees paid	(6,542,908)	(7,056,499)
Net cash provided by operating activities	0	0
Increase (decrease) in cash	0	0
Cash, beginning of period	0	0	$ 0
Cash, end of period	0	0	0
Reconciliation of Net Increase (Decrease) in Net Assets Resulting from Operations to Net Cash Provided by (Used in) Operating Activities
Net increase (decrease) in net assets resulting from operations	(189,426,559)	607,586,438	217,471,048
Adjustments to reconcile net increase (decrease) in net assets resulting from operations to net cash provided by (used in) operating activities:
Proceeds from silver bullion sold to pay expenses	6,542,908	7,056,499
Net realized (gain) loss	14,286,265	16,043,736	92,120,817
Net change in unrealized appreciation/depreciation	168,596,426	(630,795,770)	$ (337,891,452)
Change in operating assets and liabilities:
Sponsor’s fees payable	960	109,097
Net cash provided by operating activities	0	0
Supplemental disclosure of non-cash information:
Silver bullion contributed for Shares issued	182,901,133	84,171,380
Silver bullion distributed for Shares redeemed	$ (207,377,855)	$ (269,671,252)