XML 17 R6.htm IDEA: XBRL DOCUMENT v3.8.0.1
Statement of Changes in Net Assets - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Statement of Changes in Net Assets [Abstract]      
Opening balance (in Shares) 5,600,000 4,500,000 4,500,000
Creations (in Shares) 500,000   1,150,000
Redemptions (in Shares) (150,000)   (50,000)
Closing balance (in Shares) 5,950,000   5,600,000
Opening balance $ 361,932 $ 261,512 $ 261,512
Net investment loss (562) (431) (1,943)
Realized gain on investment in Bullion 514   68
Change in unrealized gain / (loss) on investment in Bullion (2,495) $ 24,221 33,120
Change in unrealized loss on unsettled creations or redemptions (24)   (58)
Creations 32,679   72,378
Redemptions (9,785)   (3,145)
Closing balance $ 382,259   $ 361,932