Schedule of Investments (Unaudited) - Futures Contracts		3 Months Ended	12 Months Ended
		Mar. 31, 2020 USD ($) Contract	Dec. 31, 2019 USD ($) Contract
Schedule of Investments [Line Items]
Commodity Futures Contracts, Value		$ 36,282,231	$ 65,024,710
Futures [Member] | Long [Member]
Schedule of Investments [Line Items]
Commodity Futures Contracts, Value	[1]	(20,064,120)	1,615,284
Commodity Futures Contracts, Unrealized Appreciation (Depreciation)	[1]	$ (20,064,120)	$ 1,615,284
Futures [Member] | Long [Member] | Brent Crude Oil ICE-UK [Member]
Schedule of Investments [Line Items]
Commodity Futures Contracts, Number of Contracts | Contract		229	227
Commodity Futures Contracts, Expiration Date		Nov. 30, 2020	Jan. 31, 2020
Commodity Futures Contracts, Notional Value		$ 8,605,820	$ 14,982,000
Commodity Futures Contracts, Value	[1]	(3,435,999)	825,310
Commodity Futures Contracts, Unrealized Appreciation (Depreciation)	[1]	$ (3,435,999)	$ 825,310
Futures [Member] | Long [Member] | Natural Gas NYMEX [Member]
Schedule of Investments [Line Items]
Commodity Futures Contracts, Number of Contracts | Contract		257	256
Commodity Futures Contracts, Expiration Date		Apr. 30, 2020	Apr. 30, 2020
Commodity Futures Contracts, Notional Value		$ 4,214,800	$ 5,601,280
Commodity Futures Contracts, Value	[1]	(1,447,723)	(832,732)
Commodity Futures Contracts, Unrealized Appreciation (Depreciation)	[1]	$ (1,447,723)	$ (832,732)
Futures [Member] | Long [Member] | Ny Harbor Ulsd NYMEX [Member]
Schedule of Investments [Line Items]
Commodity Futures Contracts, Number of Contracts | Contract		178	177
Commodity Futures Contracts, Expiration Date		May 31, 2020	May 31, 2020
Commodity Futures Contracts, Notional Value		$ 7,607,578	$ 14,654,644
Commodity Futures Contracts, Value	[1]	(5,792,085)	(92,939)
Commodity Futures Contracts, Unrealized Appreciation (Depreciation)	[1]	$ (5,792,085)	$ (92,939)
Futures [Member] | Long [Member] | Rbob Gasoline NYMEX [Member]
Schedule of Investments [Line Items]
Commodity Futures Contracts, Number of Contracts | Contract		216	215
Commodity Futures Contracts, Expiration Date		Nov. 30, 2020	Nov. 30, 2020
Commodity Futures Contracts, Notional Value		$ 7,102,469	$ 14,302,617
Commodity Futures Contracts, Value	[1]	(6,140,708)	495,645
Commodity Futures Contracts, Unrealized Appreciation (Depreciation)	[1]	$ (6,140,708)	$ 495,645
Futures [Member] | Long [Member] | Wti Crude Oil NYMEX [Member]
Schedule of Investments [Line Items]
Commodity Futures Contracts, Number of Contracts | Contract		242	243
Commodity Futures Contracts, Expiration Date		Feb. 28, 2021	Feb. 29, 2020
Commodity Futures Contracts, Notional Value		$ 8,494,200	$ 14,767,110
Commodity Futures Contracts, Value	[1]	(3,247,605)	1,220,000
Commodity Futures Contracts, Unrealized Appreciation (Depreciation)	[1]	$ (3,247,605)	$ 1,220,000

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