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Condensed Schedule of Investments (USD $)	Sep. 30, 2014
Cash Equivalents [Member] | US Treasury Securities [Member]
% of Partners' Capital	66.26%
Market Values	$ 24,996,948
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills,0.04%, 10/30/2014 [Member]
% of Partners' Capital	13.25%
Principal Amount	5,000,000
Market Values	4,999,839
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bills,0.05%, 12/26/2014 [Member]
% of Partners' Capital	21.21%
Principal Amount	8,000,000
Market Values	7,999,140
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S. Treasury Bill,0.05%, 1/15/2015 [Member]
% of Partners' Capital	13.25%
Principal Amount	5,000,000
Market Values	4,999,264
Cash Equivalents [Member] | US Treasury Securities [Member] | U.S.Treasury Bills 0.05% 2/26/2015 [Member]
% of Partners' Capital	18.55%
Principal Amount	7,000,000
Market Values	6,998,705
Cash Equivalents [Member] | United States [Member]
% of Partners' Capital	87.50%
Market Values	33,007,719
Cash Equivalents [Member] | United States [Member] | Money Market Funds [Member]
% of Partners' Capital	21.24%
Market Values	8,010,771
Cash Equivalents [Member] | United States [Member] | Money Market Funds [Member] | Morgan Stanley Institutional Liquidity Fund - Government Portfolio [Member]
% of Partners' Capital	9.31%
Principal Amount	3,510,274
Market Values	3,510,274
Cash Equivalents [Member] | United States [Member] | Money Market Funds [Member] | Wells Fargo Advantage Government Money Market Fund - Class I [Member]
% of Partners' Capital	11.93%
Principal Amount	4,500,497
Market Values	4,500,497
Open Futures Contracts - Long [Member] | United States [Member] | ICE Brent Crude Oil Futures CO November 2014 contracts, expiring October 2014 [Member]
Number of Contracts	399	[1]
Unrealized Loss on Open Commodity Contracts	$ (3,006,530)	[1]
% of Partners' Capital	(7.97%)	[1]
[1] Collateral amounted to $3,294,820 on open future contracts.

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