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Schedule of Investments	Sep. 30, 2021 USD ($) contract
Open Commodity Futures Contracts - Long [Member] | United States [Member]
Notional Amount	$ 10,689,958
Number of Contracts | contract	337
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 5,232,232
% of Partners' Capital	32.84%
Open Commodity Futures Contracts - Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG November 2021 contracts, expiring October 2021
Notional Amount	$ 905,539
Number of Contracts | contract	28
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 737,221
% of Partners' Capital	4.63%
Open Commodity Futures Contracts - Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG December 2021 contracts, expiring November 2021
Notional Amount	$ 947,921
Number of Contracts | contract	28
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 729,559
% of Partners' Capital	4.58%
Open Commodity Futures Contracts - Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG January 2022 contracts, expiring December 2021
Notional Amount	$ 945,501
Number of Contracts | contract	28
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 754,939
% of Partners' Capital	4.74%
Open Commodity Futures Contracts - Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG February 2022 contracts, expiring January 2022
Notional Amount	$ 938,810
Number of Contracts | contract	28
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 727,470
% of Partners' Capital	4.57%
Open Commodity Futures Contracts - Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG March 2022 contracts, expiring February 2022
Notional Amount	$ 966,810
Number of Contracts | contract	29
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 633,120
% of Partners' Capital	3.97%
Open Commodity Futures Contracts - Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG April 2022 contracts, expiring March 2022
Notional Amount	$ 737,827
Number of Contracts | contract	28
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 381,053
% of Partners' Capital	2.39%
Open Commodity Futures Contracts - Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG May 2022 contracts, expiring April 2022
Notional Amount	$ 751,184
Number of Contracts | contract	28
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 319,536
% of Partners' Capital	2.01%
Open Commodity Futures Contracts - Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG June 2022 contracts, expiring May 2022
Notional Amount	$ 808,926
Number of Contracts | contract	29
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 309,024
% of Partners' Capital	1.94%
Open Commodity Futures Contracts - Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG July 2022 contracts, expiring June 2022
Notional Amount	$ 833,740
Number of Contracts | contract	28
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 257,140
% of Partners' Capital	1.61%
Open Commodity Futures Contracts - Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG May 2022 contracts, expiring April 2022
Notional Amount	$ 868,130
Number of Contracts | contract	28
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 224,710
% of Partners' Capital	1.41%
Open Commodity Futures Contracts - Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG June 2022 contracts, expiring May 2022
Notional Amount	$ 935,590
Number of Contracts | contract	28
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 151,930
% of Partners' Capital	0.95%
Open Commodity Futures Contracts - Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG July 2022 contracts, expiring June 2022
Notional Amount	$ 1,049,980
Number of Contracts | contract	27
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 6,530
% of Partners' Capital	0.04%
Cash Equivalents [Member] | United States Money Market Funds [Member]
Market Value	$ 7,000,000
% of Partners' Capital	43.94%
Cash Equivalents [Member] | United States Money Market Funds [Member] | Goldman Sachs Financial Square Government Fund - Institutional Shares, 0.03%
Principal Amount	$ 6,000,000
Market Value	$ 6,000,000
% of Partners' Capital	37.66%
Cash Equivalents [Member] | United States Money Market Funds [Member] | RBC U.S. Government Money Market Fund - Institutional Shares 0.03%
Principal Amount	$ 1,000,000
Market Value	$ 1,000,000
% of Partners' Capital	6.28%

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