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Condensed Schedule of Investments	Sep. 30, 2021 USD ($)
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 33,764,400
Open Futures Contracts, Long | United States
Notional Amount	$ 113,950,220
Number of Contracts	2,051
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 33,764,400
% of Partners' Capital	22.86%
Open Futures Contracts, Long | United States | NYMEX WTI Crude Oil Futures November 2021 contracts, expiring October 2021
Notional Amount	$ 7,548,920
Number of Contracts	171
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 5,281,210
% of Partners' Capital	3.58%
Open Futures Contracts, Long | United States | NYMEX WTI Crude Oil Futures December 2021 contracts, expiring November 2021
Notional Amount	$ 7,258,600
Number of Contracts	171
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 5,515,100
% of Partners' Capital	3.73%
Open Futures Contracts, Long | United States | NYMEX WTI Crude Oil Futures January 2022 contracts, expiring December 2021
Notional Amount	$ 7,799,120
Number of Contracts	171
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 4,887,370
% of Partners' Capital	3.31%
Open Futures Contracts, Long | United States | NYMEX WTI Crude Oil Futures February 2022 contracts, expiring January 2022
Notional Amount	$ 8,305,770
Number of Contracts	171
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 4,278,120
% of Partners' Capital	2.90%
Open Futures Contracts, Long | United States | NYMEX WTI Crude Oil Futures March 2022 contracts, expiring February 2022
Notional Amount	$ 9,110,650
Number of Contracts	171
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 3,370,640
% of Partners' Capital	2.28%
Open Futures Contracts, Long | United States | NYMEX WTI Crude Oil Futures April 2022 contracts, expiring March 2022
Notional Amount	$ 10,081,180
Number of Contracts	171
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 2,295,800
% of Partners' Capital	1.55%
Open Futures Contracts, Long | United States | NYMEX WTI Crude Oil Futures May 2022 contracts, expiring April 2022
Notional Amount	$ 9,720,580
Number of Contracts	171
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 2,552,090
% of Partners' Capital	1.73%
Open Futures Contracts, Long | United States | NYMEX WTI Crude Oil Futures June 2022 contracts, expiring May 2022
Notional Amount	$ 10,342,450
Number of Contracts	171
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 1,824,200
% of Partners' Capital	1.23%
Open Futures Contracts, Long | United States | NYMEX WTI Crude Oil Futures July 2022 contracts, expiring June 2022
Notional Amount	$ 10,937,690
Number of Contracts	171
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 1,122,940
% of Partners' Capital	0.76%
Open Futures Contracts, Long | United States | NYMEX WTI Crude Oil Futures August 2022 contracts, expiring July 2022
Notional Amount	$ 11,054,970
Number of Contracts	171
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 897,930
% of Partners' Capital	0.61%
Open Futures Contracts, Long | United States | NYMEX WTI Crude Oil Futures September 2022 contracts, expiring August 2022
Notional Amount	$ 10,866,090
Number of Contracts	171
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 982,500
% of Partners' Capital	0.67%
Open Futures Contracts, Long | United States | NYMEX WTI Crude Oil Futures October 2022 contracts, expiring September 2022
Notional Amount	$ 10,924,200
Number of Contracts	170
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 756,500
% of Partners' Capital	0.51%
Cash Equivalents | United States - Money Market Funds
Market Value	$ 95,796,000
% of Partners' Capital	64.85%
Cash Equivalents | United States - Money Market Funds | Goldman Sachs Financial Square Government Fund - Institutional Shares [Member]
Shares/Principal Amount	$ 200,000
Market Value	$ 200,000
% of Partners' Capital	0.13%
Cash Equivalents | United States - Money Market Funds | RBC U.S. Government Money Market Fund - Institutional Shares [Member]
Shares/Principal Amount	$ 196,000
Market Value	$ 196,000
% of Partners' Capital	0.13%
Cash Equivalents | United States - Money Market Funds | Morgan Stanley Institutional Liquidity Funds - Government Portfolio [Member]
Shares/Principal Amount	$ 95,400,000
Market Value	$ 95,400,000
% of Partners' Capital	64.59%

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