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Condensed Schedule of Investments	Jun. 30, 2021 USD ($)
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 51,958,790
Open Commodity Futures Contracts - Long | United States Contracts
Notional Amount	$ 136,281,580
Number of Contracts	2,713
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 51,958,790
% of Partners' Capital	27.61%
Open Commodity Futures Contracts - Long | United States Contracts | NYMEX WTI Crude Oil Futures CL August 2021 contracts, expiring July 2021
Notional Amount	$ 9,723,140
Number of Contracts	226
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 6,881,080
% of Partners' Capital	3.66%
Open Commodity Futures Contracts - Long | United States Contracts | NYMEX WTI Crude Oil Futures CL September 2021 contracts, expiring August 2021
Notional Amount	$ 10,221,360
Number of Contracts	227
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 6,297,430
% of Partners' Capital	3.35%
Open Commodity Futures Contracts - Long | United States Contracts | NYMEX WTI Crude Oil Futures CL October 2021 contracts, expiring September 2021
Notional Amount	$ 9,590,120
Number of Contracts	226
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 6,627,640
% of Partners' Capital	3.52%
Open Commodity Futures Contracts - Long | United States Contracts | NYMEX WTI Crude Oil Futures February 2022 contracts, expiring January 2022
Notional Amount	$ 10,942,810
Number of Contracts	226
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 4,601,470
% of Partners' Capital	2.44%
Open Commodity Futures Contracts - Long | United States Contracts | NYMEX WTI Crude Oil Futures March 2022 contracts, expiring February 2022
Notional Amount	$ 12,017,090
Number of Contracts	226
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 3,389,330
% of Partners' Capital	1.80%
Open Commodity Futures Contracts - Long | United States Contracts | NYMEX WTI Crude Oil Futures April 2022 contracts, expiring March 2022
Notional Amount	$ 13,255,220
Number of Contracts	226
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 2,022,380
% of Partners' Capital	1.07%
Open Commodity Futures Contracts - Long | United States Contracts | NYMEX WTI Crude Oil Futures May 2022 contracts, expiring April 2022
Notional Amount	$ 12,782,800
Number of Contracts	226
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 2,370,500
% of Partners' Capital	1.26%
Open Commodity Futures Contracts - Long | United States Contracts | NYMEX WTI Crude Oil Futures June 2022 contracts, expiring May 2022
Notional Amount	$ 13,629,650
Number of Contracts	226
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 1,408,390
% of Partners' Capital	0.75%
Open Commodity Futures Contracts - Long | United States Contracts | NYMEX WTI Crude Oil Futures July 2022 Contracts, Expiring June 2022
Notional Amount	$ 14,452,700
Number of Contracts	226
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 465,560
% of Partners' Capital	0.25%
Open Commodity Futures Contracts - Long | United States Contracts | NYMEX WTI Crude Oil Futures November 2021 contracts, expiring October 2021
Notional Amount	$ 9,935,370
Number of Contracts	226
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 6,085,770
% of Partners' Capital	3.23%
Open Commodity Futures Contracts - Long | United States Contracts | NYMEX WTI Crude Oil Futures December 2021 contracts, expiring November 2021
Notional Amount	$ 9,433,000
Number of Contracts	226
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 6,416,380
% of Partners' Capital	3.41%
Open Commodity Futures Contracts - Long | United States Contracts | NYMEX WTI Crude Oil Futures January 2022 Contracts, Expiring December 2021
Notional Amount	$ 10,298,320
Number of Contracts	226
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 5,392,860
% of Partners' Capital	2.87%
Cash Equivalents | United States - Money Market Funds
Market Value	$ 141,896,000
% of Partners' Capital	75.39%
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	0.11%
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	0.10%
Cash Equivalents | United States - Money Market Funds | Morgan Stanley Institutional Liquidity Funds - Government Portfolio [Member]
Shares/Principal Amount	$ 141,500,000
Market Value	$ 141,500,000
% of Partners' Capital	75.18%

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