v3.8.0.1
Statements of Changes in Net Assets - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Statements of Changes in Net Assets [Abstract]      
Opening balance (in Shares) 2,400,000 2,750,000 2,750,000
Creations (in Shares) 150,000   450,000
Redemptions (in Shares) (50,000)   (800,000)
Closing balance (in Shares) 2,500,000   2,400,000
Opening balance $ 241,555 $ 178,252 $ 178,252
Net investment loss (357) (292) (1,278)
Realized gain on investment in palladium 1,801   14,603
Change in unrealized gain/(loss) on investment in palladium (22,191) $ 30,623 77,205
Creations 14,926   37,402
Redemptions (4,949)   (64,629)
Closing balance $ 230,785   $ 241,555