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Condensed Schedule of Investments	Mar. 31, 2016 USD ($) Contracts
United State [Member] | Money Market Funds [Member]
Market Values	$ 2,500,000
% of Partners' Capital	21.18%
United State [Member] | Goldman Sachs Financial Square Funds - Government Fund - Class FS [Member] | Money Market Funds [Member]
Principal Amount	$ 500,000
Market Values	$ 500,000
% of Partners' Capital	4.24%
United State [Member] | Morgan Stanley Institutional Liquidity Funds - Government Portfolio [Member] | Money Market Funds [Member]
Principal Amount	$ 2,000,000
Market Values	$ 2,000,000
% of Partners' Capital	16.94%
Cash Equivalents [Member] | US Treasury Securities [Member]
Market Values	$ 6,890,445
% of Partners' Capital	58.39%
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.29%, 5/19/2016
Principal Amount	$ 500,000
Market Values	$ 499,807
% of Partners' Capital	4.24%
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.43%, 6/02/2016
Principal Amount	$ 500,000
Market Values	$ 499,634
% of Partners' Capital	4.24%
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.52%, 6/09/2016
Principal Amount	$ 500,000
Market Values	$ 499,502
% of Partners' Capital	4.23%
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.47%, 6/30/2016
Principal Amount	$ 1,000,000
Market Values	$ 998,837
% of Partners' Capital	8.46%
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.38%, 7/21/2016
Principal Amount	$ 500,000
Market Values	$ 499,414
% of Partners' Capital	4.23%
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.39%, 7/28/2016
Principal Amount	$ 500,000
Market Values	$ 499,361
% of Partners' Capital	4.23%
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.42%, 8/04/2016
Principal Amount	$ 500,000
Market Values	$ 499,280
% of Partners' Capital	4.23%
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.41%, 8/11/2016
Principal Amount	$ 500,000
Market Values	$ 499,248
% of Partners' Capital	4.23%
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.43%, 8/18/2016
Principal Amount	$ 500,000
Market Values	$ 499,179
% of Partners' Capital	4.23%
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.45%, 8/25/2016
Principal Amount	$ 500,000
Market Values	$ 499,098
% of Partners' Capital	4.23%
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.48%, 9/01/2016
Principal Amount	$ 500,000
Market Values	$ 498,980
% of Partners' Capital	4.23%
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.45%, 9/15/2016
Principal Amount	$ 500,000
Market Values	$ 498,956
% of Partners' Capital	4.23%
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.44%, 9/22/2016
Principal Amount	$ 400,000
Market Values	$ 399,149
% of Partners' Capital	3.38%
Cash Equivalents [Member] | United State [Member]
Market Values	$ 9,390,445
% of Partners' Capital	79.57%
Open Futures Contracts, Long [Member] | United State [Member]
Number of Contracts | Contracts	484	[1]
Unrealized Gain (Loss) on Open Commodity Contracts	$ (2,108,398)	[1]
% of Partners' Capital	(17.86%)	[1]
Open Futures Contracts, Long [Member] | United State [Member] | NYMEX Natural Gas Futures NG May 2016 contracts, expiring April 2016
Number of Contracts | Contracts	40
Unrealized Gain (Loss) on Open Commodity Contracts	$ (362,156)
% of Partners' Capital	(3.07%)
Open Futures Contracts, Long [Member] | United State [Member] | NYMEX Natural Gas Futures NG June 2016 contracts, expiring May 2016
Number of Contracts | Contracts	41
Unrealized Gain (Loss) on Open Commodity Contracts	$ (419,538)
% of Partners' Capital	(3.55%)
Open Futures Contracts, Long [Member] | United State [Member] | NYMEX Natural Gas Futures NG July 2016 contracts, expiring June 2016
Number of Contracts | Contracts	40
Unrealized Gain (Loss) on Open Commodity Contracts	$ (360,239)
% of Partners' Capital	(3.05%)
Open Futures Contracts, Long [Member] | United State [Member] | NYMEX Natural Gas Futures NG August 2016 contracts, expiring July 2016
Number of Contracts | Contracts	41
Unrealized Gain (Loss) on Open Commodity Contracts	$ (357,150)
% of Partners' Capital	(3.02%)
Open Futures Contracts, Long [Member] | United State [Member] | NYMEX Natural Gas Futures NG September 2016 contracts, expiring August 2016
Number of Contracts | Contracts	40
Unrealized Gain (Loss) on Open Commodity Contracts	$ (286,876)
% of Partners' Capital	(2.43%)
Open Futures Contracts, Long [Member] | United State [Member] | NYMEX Natural Gas Futures NG October 2016 contracts, expiring September 2016
Number of Contracts | Contracts	40
Unrealized Gain (Loss) on Open Commodity Contracts	$ (252,873)
% of Partners' Capital	(2.14%)
Open Futures Contracts, Long [Member] | United State [Member] | NYMEX Natural Gas Futures NG November 2016 contracts, expiring October 2016
Number of Contracts | Contracts	40
Unrealized Gain (Loss) on Open Commodity Contracts	$ (168,409)
% of Partners' Capital	(1.43%)
Open Futures Contracts, Long [Member] | United State [Member] | NYMEX Natural Gas Futures NG December 2016 contracts, expiring November 2016
Number of Contracts | Contracts	41
Unrealized Gain (Loss) on Open Commodity Contracts	$ (54,292)
% of Partners' Capital	(0.46%)
Open Futures Contracts, Long [Member] | United State [Member] | NYMEX Natural Gas Futures NG January 2017 contracts, expiring December 2016
Number of Contracts | Contracts	40
Unrealized Gain (Loss) on Open Commodity Contracts	$ 81,619
% of Partners' Capital	0.69%
Open Futures Contracts, Long [Member] | United State [Member] | NYMEX Natural Gas Futures NG February 2017 contracts, expiring January 2017
Number of Contracts | Contracts	41
Unrealized Gain (Loss) on Open Commodity Contracts	$ (1,154)
% of Partners' Capital	(0.01%)
Open Futures Contracts, Long [Member] | United State [Member] | NYMEX Natural Gas Futures NG March 2017 contracts, expiring February 2017
Number of Contracts | Contracts	40
Unrealized Gain (Loss) on Open Commodity Contracts	$ 47,470
% of Partners' Capital	0.40%
Open Futures Contracts, Long [Member] | United State [Member] | NYMEX Natural Gas Futures NG April 2017 contracts, expiring March 2017
Number of Contracts | Contracts	40
Unrealized Gain (Loss) on Open Commodity Contracts	$ 25,200
% of Partners' Capital	0.21%
[1] Collateral amounted to $3,071,984 on open futures contracts.

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