Income Statements (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008
Revenue
Proceeds from Sales of silver to pay expenses	$ 29,257	$ 18,718	$ 14,313
Cost of silver sold to pay expenses	(20,954)	(17,296)	(12,694)
Gain on sales of silver to pay expenses	8,303	1,422	1,619
Gain (loss) on silver distributed for the redemption of Shares	257,403	21,395	(18,826)
Total gain (loss) on sales and distributions of silver	265,706	22,817	(17,207)
Expenses
Sponsor's fees	(31,287)	(20,078)	(14,354)
Total expenses	(31,287)	(20,078)	(14,354)
NET INCOME (LOSS)	$ 234,419	$ 2,739	$ (31,561)
Net income (loss) per Share (Note 2C)	$ 0.75	$ 0.01	$ (0.16)
Weighted-average Shares outstanding (Note 2C)	314,367,671	277,269,041	196,716,940