XML 29 R19.htm IDEA: XBRL DOCUMENT v3.4.0.3
Significant Accounting Policies (Schedule Of Investment In Silver) (Details)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2016
USD ($)
oz
Mar. 31, 2015
USD ($)
oz
Dec. 31, 2015
USD ($)
oz
Significant Accounting Policies [Abstract]      
Opening balance (in Ounces) | oz 17,953,851.0 18,401,534.5 18,401,534.5
Creations (in Ounces) | oz 294,060.2   982,678.0
Redemptions (in Ounces) | oz (196,102.3)   (1,375,710.4)
Transfers of silver to pay expenses (in Ounces) | oz (13,400.2)   (54,651.1)
Closing balance (in Ounces) | oz 18,038,408.7   17,953,851.0
Opening balance $ 248,122 $ 293,873 $ 293,873
Creations 4,494   15,497
Redemptions (3,008)   (22,933)
Realized loss on silver distributed for the redemption of Shares (779) (1,380) (3,789)
Transfers of silver to pay expenses (191)   (867)
Realized (loss) / gain on silver transferred to pay expenses (67) (40) (193)
Change in unrealized gain / (loss) on investment in silver 28,860 $ 14,111 (33,466)
Closing balance $ 277,431   $ 248,122