Statements of Assets and Liabilities (Parenthetical) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2018	Dec. 31, 2017
Investment in Bullion at cost	$ 337,228	$ 346,429
Common stock, shares authorized	Unlimited	Unlimited
Common stock, par value	$ 0	$ 0
Common stock, shares issued	5,450,000	5,600,000
Common stock, shares outstanding	5,450,000	5,600,000
Net asset values per Share	$ 58.32	$ 64.63
Gold [Member]
Investment in Bullion at cost	$ 192,235	$ 196,806
Silver [Member]
Investment in Bullion at cost	99,413	103,311
Platinum [Member]
Investment in Bullion at cost	22,269	23,345
Palladium [Member]
Investment in Bullion at cost	$ 23,311	$ 22,967

Face amount per share of no-par value common stock.

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