Statements Of Financial Condition (Parenthetical) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Investments in U.S. Treasury notes - amortized cost	$ 21,617,368	$ 43,712,747
Cash denominated in foreign currencies, cost	6,909,914	10,692,888
INVESTMENTS IN U.S. TREASURY NOTES - amortized cost	127,102,393	144,189,124
Cash denominated in foreign currencies , cost	$ 162,735	$ 0
Managing Owner Interest [Member]
Units outstanding	3,271.911	3,072.023
Series 1 Unitholders [Member]
Units outstanding	110,008.795	139,480.782
Series 3 Unitholders [Member]
Units outstanding	19,251.321	19,430.096
Series 4 Unitholders [Member]
Units outstanding	3,619.144	3,286.212
Series 5 Unitholders [Member]
Units outstanding	584.994	0.000

Financial instruments owned US government and agency obligations at amortized cost held in custody account.

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- Definition

Financial instruments owned us government and agency obligations at amortized cost held in trading account.

+ References

No definition available.

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- Definition

The reporting currency-denominated asset value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section S99
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The reporting currency-denominated liability value.

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- Definition

The number of each class of partnership units outstanding at the balance sheet date. Units represent shares of ownership of the general, limited, and preferred partners.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
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