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Condensed Schedule of Investments | Jun. 30, 2016 USD ($) Contracts
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United State [Member] | Money Market Funds [Member] |  |
Market Values | $ 2,500,000 |
% of Partners' Capital | 16.78% |
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 | 3.36% |
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 | 13.42% |
Cash Equivalents [Member] | US Treasury Securities [Member] |  |
Market Values | $ 7,492,320 |
% of Partners' Capital | 50.30% |
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.38%, 7/21/2016 |  |
Principal Amount | $ 500,000 |
Market Values | $ 499,894 |
% of Partners' Capital | 3.36% |
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.39%, 7/28/2016 |  |
Principal Amount | $ 500,000 |
Market Values | $ 499,854 |
% of Partners' Capital | 3.36% |
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.42%, 8/04/2016 |  |
Principal Amount | $ 500,000 |
Market Values | $ 499,804 |
% of Partners' Capital | 3.36% |
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.41%, 8/11/2016 |  |
Principal Amount | $ 500,000 |
Market Values | $ 499,767 |
% of Partners' Capital | 3.36% |
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.43%, 8/18/2016 |  |
Principal Amount | $ 500,000 |
Market Values | $ 499,717 |
% of Partners' Capital | 3.36% |
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.45%, 8/25/2016 |  |
Principal Amount | $ 500,000 |
Market Values | $ 499,660 |
% of Partners' Capital | 3.35% |
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.48%, 9/01/2016 |  |
Principal Amount | $ 500,000 |
Market Values | $ 499,587 |
% of Partners' Capital | 3.35% |
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.45%, 9/15/2016 |  |
Principal Amount | $ 500,000 |
Market Values | $ 499,525 |
% of Partners' Capital | 3.35% |
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.44%, 9/22/2016 |  |
Principal Amount | $ 400,000 |
Market Values | $ 399,594 |
% of Partners' Capital | 2.68% |
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.39%, 10/27/2016 |  |
Principal Amount | $ 400,000 |
Market Values | $ 399,485 |
% of Partners' Capital | 2.68% |
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.37%, 11/03/2016 |  |
Principal Amount | $ 200,000 |
Market Values | $ 199,741 |
% of Partners' Capital | 1.34% |
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.39%, 11/17/2016 |  |
Principal Amount | $ 500,000 |
Market Values | $ 499,247 |
% of Partners' Capital | 3.35% |
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.47%, 12/01/2016 |  |
Principal Amount | $ 500,000 |
Market Values | $ 499,012 |
% of Partners' Capital | 3.35% |
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.41%, 12/08/2016 |  |
Principal Amount | $ 500,000 |
Market Values | $ 499,089 |
% of Partners' Capital | 3.35% |
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.34%, 12/15/2016 |  |
Principal Amount | $ 500,000 |
Market Values | $ 499,211 |
% of Partners' Capital | 3.35% |
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills: 0.34%, 12/29/2016 |  |
Principal Amount | $ 500,000 |
Market Values | $ 499,133 |
% of Partners' Capital | 3.35% |
Cash Equivalents [Member] | United State [Member] |  |
Market Values | $ 9,992,320 |
% of Partners' Capital | 67.08% |
Open Futures Contracts, Long [Member] | United State [Member] |  |
Number of Contracts | Contracts | 474 | [1]
Unrealized Gain (Loss) on Open Commodity Contracts | $ 1,457,031 | [1]
% of Partners' Capital | 9.78% | [1]
Open Futures Contracts, Long [Member] | United State [Member] | NYMEX Natural Gas Futures NG August 2016 contracts, expiring July 2016 |  |
Number of Contracts | Contracts | 39 |
Unrealized Gain (Loss) on Open Commodity Contracts | $ (52,185) |
% of Partners' Capital | (0.35%) |
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 | $ (1,109) |
% of Partners' Capital | (0.01%) |
Open Futures Contracts, Long [Member] | United State [Member] | NYMEX Natural Gas Futures NG October 2016 contracts, expiring September 2016 |  |
Number of Contracts | Contracts | 39 |
Unrealized Gain (Loss) on Open Commodity Contracts | $ 21,831 |
% of Partners' Capital | 0.15% |
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 | $ 82,489 |
% of Partners' Capital | 0.55% |
Open Futures Contracts, Long [Member] | United State [Member] | NYMEX Natural Gas Futures NG December 2016 contracts, expiring November 2016 |  |
Number of Contracts | Contracts | 39 |
Unrealized Gain (Loss) on Open Commodity Contracts | $ 175,978 |
% of Partners' Capital | 1.18% |
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 | $ 305,238 |
% of Partners' Capital | 2.05% |
Open Futures Contracts, Long [Member] | United State [Member] | NYMEX Natural Gas Futures NG February 2017 contracts, expiring January 2017 |  |
Number of Contracts | Contracts | 39 |
Unrealized Gain (Loss) on Open Commodity Contracts | $ 219,081 |
% of Partners' Capital | 1.47% |
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 | $ 263,003 |
% of Partners' Capital | 1.77% |
Open Futures Contracts, Long [Member] | United State [Member] | NYMEX Natural Gas Futures NG April 2017 contracts, expiring March 2017 |  |
Number of Contracts | Contracts | 39 |
Unrealized Gain (Loss) on Open Commodity Contracts | $ 191,120 |
% of Partners' Capital | 1.28% |
Open Futures Contracts, Long [Member] | United State [Member] | NYMEX Natural Gas Futures NG February 2016 contracts, expiring January 2016 [Member] |  |
Number of Contracts | Contracts | 40 |
Unrealized Gain (Loss) on Open Commodity Contracts | $ 132,747 |
% of Partners' Capital | 0.89% |
Open Futures Contracts, Long [Member] | United State [Member] | NYMEX Natural Gas Futures NG March 2016 contracts, expiring February 2016 [Member] |  |
Number of Contracts | Contracts | 39 |
Unrealized Gain (Loss) on Open Commodity Contracts | $ 83,208 |
% of Partners' Capital | 0.56% |
Open Futures Contracts, Long [Member] | United State [Member] | NYMEX Natural Gas Futures NG April 2016 contracts, expiring March 2016 [Member] |  |
Number of Contracts | Contracts | 40 |
Unrealized Gain (Loss) on Open Commodity Contracts | $ 35,630 |
% of Partners' Capital | 0.24% |
[1] | Collateral amounted to $1,674,775 on open futures contracts.

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