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Condensed Schedule of Investments	Mar. 31, 2020 USD ($) contract
Open Futures Contracts Long [Member] | United States [Member]
Notional Amount	$ 3,446,006	[1]
Number of Contracts | contract	137	[1]
Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ (402,186)	[1]
% of Partners' Capital	(13.18%)	[1]
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG May 2020 contracts, expiring April 2020
Notional Amount	$ 287,311
Number of Contracts | contract	11
Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ (106,911)
% of Partners' Capital	(3.50%)
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG June 2020 contracts, expiring May 2020
Notional Amount	$ 311,571
Number of Contracts | contract	12
Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ (100,851)
% of Partners' Capital	(3.31%)
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG July 2020 contracts, expiring June 2020
Notional Amount	$ 280,517
Number of Contracts | contract	11
Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ (70,197)
% of Partners' Capital	(2.30%)
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG August 2020 contracts, expiring July 2020
Notional Amount	$ 303,009
Number of Contracts | contract	12
Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ (65,649)
% of Partners' Capital	(2.15%)
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG September 2020 contracts, expiring August 2020
Notional Amount	$ 254,751
Number of Contracts | contract	11
Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ (34,091)
% of Partners' Capital	(1.12%)
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG October 2020 contracts, expiring September 2020
Notional Amount	$ 294,317
Number of Contracts | contract	12
Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ (45,917)
% of Partners' Capital	(1.51%)
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG November 2020 contracts, expiring October 2020
Notional Amount	$ 266,953
Number of Contracts | contract	11
Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ (14,503)
% of Partners' Capital	(0.48%)
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG December 2020 contracts, expiring November 2020
Notional Amount	$ 296,301
Number of Contracts | contract	11
Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ (8,651)
% of Partners' Capital	(0.28%)
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG January 2021 contracts, expiring December 2020
Notional Amount	$ 321,794
Number of Contracts | contract	12
Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 6,886
% of Partners' Capital	0.23%
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG February 2021 contracts, expiring January 2021
Notional Amount	$ 292,142
Number of Contracts | contract	11
Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 5,518
% of Partners' Capital	0.18%
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG March 2021 contracts, expiring February 2021
Notional Amount	$ 271,840
Number of Contracts | contract	11
Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 14,600
% of Partners' Capital	0.48%
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG April 2021 contracts, expiring March 2021
Notional Amount	$ 265,500
Number of Contracts | contract	12
Value/ Unrealized Gain (Loss) on Open Commodity Contracts	$ 17,580
% of Partners' Capital	0.58%
Cash Equivalents [Member] | United States Treasury Obligations [Member]
Market Value	$ 2,193,097
% of Partners' Capital	71.88%
U.S. Treasury Bills:1.70%, 4/02/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Principal Amount	$ 100,000
Market Value	$ 99,995
% of Partners' Capital	3.28%
U.S. Treasury Bills:1.64%, 4/09/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Principal Amount	$ 100,000
Market Value	$ 99,964
% of Partners' Capital	3.28%
U.S. Treasury Bills:1.60%, 4/16/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Principal Amount	$ 100,000
Market Value	$ 99,934
% of Partners' Capital	3.28%
U.S. Treasury Bills:1.60%, 4/23/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Principal Amount	$ 100,000
Market Value	$ 99,903
% of Partners' Capital	3.27%
U.S. Treasury Bills:1.59%, 4/30/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Principal Amount	$ 100,000
Market Value	$ 99,873
% of Partners' Capital	3.27%
U.S. Treasury Bills:1.54%, 5/07/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Principal Amount	$ 100,000
Market Value	$ 99,847
% of Partners' Capital	3.27%
U.S. Treasury Bills:1.55%, 5/14/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Principal Amount	$ 100,000
Market Value	$ 99,816
% of Partners' Capital	3.27%
U.S. Treasury Bills:1.55%, 5/21/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Principal Amount	$ 100,000
Market Value	$ 99,787
% of Partners' Capital	3.27%
U.S. Treasury Bills:1.58%, 5/28/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Principal Amount	$ 100,000
Market Value	$ 99,751
% of Partners' Capital	3.27%
U.S. Treasury Bills:1.53%, 6/04/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Principal Amount	$ 100,000
Market Value	$ 99,730
% of Partners' Capital	3.27%
U.S. Treasury Bills:1.53%, 6/11/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Principal Amount	$ 100,000
Market Value	$ 99,700
% of Partners' Capital	3.27%
U.S. Treasury Bills:1.54%, 6/18/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Principal Amount	$ 100,000
Market Value	$ 99,670
% of Partners' Capital	3.27%
U.S. Treasury Bills:1.57%, 6/25/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Principal Amount	$ 100,000
Market Value	$ 99,632
% of Partners' Capital	3.27%
U.S. Treasury Bills:1.54%, 7/02/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Principal Amount	$ 100,000
Market Value	$ 99,610
% of Partners' Capital	3.26%
U.S. Treasury Bills:1.51%, 7/09/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Principal Amount	$ 100,000
Market Value	$ 99,587
% of Partners' Capital	3.26%
U.S. Treasury Bills:1.54%, 7/16/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Principal Amount	$ 100,000
Market Value	$ 99,549
% of Partners' Capital	3.26%
U.S. Treasury Bills:1.53%, 7/23/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Principal Amount	$ 100,000
Market Value	$ 99,524
% of Partners' Capital	3.26%
U.S. Treasury Bills:1.53%, 7/30/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Principal Amount	$ 100,000
Market Value	$ 99,493
% of Partners' Capital	3.26%
U.S. Treasury Bills:1.53%, 8/06/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Principal Amount	$ 100,000
Market Value	$ 99,464
% of Partners' Capital	3.26%
U.S. Treasury Bills:1.52%, 8/13/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Principal Amount	$ 100,000
Market Value	$ 99,439
% of Partners' Capital	3.26%
U.S. Treasury Bills:1.52%, 8/20/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Principal Amount	$ 100,000
Market Value	$ 99,409
% of Partners' Capital	3.26%
U.S. Treasury Bills:1.42%, 8/27/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Principal Amount	$ 100,000
Market Value	$ 99,420
% of Partners' Capital	3.26%
[1] Collateral amounted to $908,142 on open futures contracts.

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