Schedule of Investments - Futures Contracts		12 Months Ended
		Dec. 31, 2021 USD ($) Contract	Dec. 31, 2020 USD ($) Contract
Schedule of Investments [Line Items]
Commodity Futures Contracts, Value		$ 111,235,819	$ 141,030,393
Futures [Member]
Schedule of Investments [Line Items]
Commodity Futures Contracts, Value	[1]	(2,147,112)	28,341,350
Commodity Futures Contracts, Unrealized Appreciation (Depreciation)	[1]	$ (2,147,112)	$ 28,341,350
Futures [Member] | COMEX Gold [Member] | Long [Member]
Schedule of Investments [Line Items]
Commodity Futures Contracts, Number of Contracts | Contract		498	589
Commodity Futures Contracts, Expiration Date		Feb. 28, 2022	Feb. 28, 2021
Commodity Futures Contracts, Notional Value		$ 91,064,280	$ 111,621,390
Commodity Futures Contracts, Value	[1]	(3,024,948)	16,297,433
Commodity Futures Contracts, Unrealized Appreciation (Depreciation)	[1]	$ (3,024,948)	$ 16,297,433
Futures [Member] | COMEX Silver [Member] | Long [Member]
Schedule of Investments [Line Items]
Commodity Futures Contracts, Number of Contracts | Contract		185	229
Commodity Futures Contracts, Expiration Date		Mar. 31, 2022	May 31, 2021
Commodity Futures Contracts, Notional Value		$ 21,600,600	$ 30,311,585
Commodity Futures Contracts, Value	[1]	877,836	12,043,917
Commodity Futures Contracts, Unrealized Appreciation (Depreciation)	[1]	$ 877,836	$ 12,043,917

[1] Unrealized Appreciation (Depreciation) and Value are presented above, net by contract.