Trading Activities - Summary of Gross and Net Amounts Recognized Relating to Assets and Liabilities of Partnership's Derivative Instruments and Transactions Eligible for Offset Subject to Master Netting Agreements or Similar Agreements (Detail) - USD ($)	Mar. 31, 2016	Dec. 31, 2015
Derivative [Line Items]
Gross Amounts Recognized, Assets	$ 1,933,833	$ 1,534,299
Gross Amounts Offset in the Statements of Financial Condition, Assets	(1,551,207)	(1,534,299)
Amount Presented in the statements of Financial Condition, Assets	382,626
Gross Amounts Not Offset in the Statements of Financial Condition, Assets, Financial Instruments	0	0
Gross Amounts Not Offset in the Statements of Financial Condition, Assets, Cash Collateral Received/Pledged	0	0
Assets, Net Amount	382,626
Gross Amounts Recognized, Liabilities	(1,551,207)	(1,783,055)
Gross Amount Offset in the Statements of Financial Condition, Liabilities	1,551,207	1,534,299
Amount Presented in the statements of Financial Condition, Liabilities		(248,756)
Gross Amounts Not Offset in the Statements of Financial Condition, Liabilities, Financial Instruments	0	0
Gross Amounts Not Offset in the Statements of Financial Condition, Liabilities, Cash Collateral Received/Pledged	0	0
Liabilities, Net Amount		(248,756)
Net fair value	382,626	(248,756)
Futures Contracts [Member]
Derivative [Line Items]
Gross Amounts Recognized, Assets	566,916	269,891
Gross Amounts Offset in the Statements of Financial Condition, Assets	(187,609)	(269,891)
Amount Presented in the statements of Financial Condition, Assets	379,307
Gross Amounts Not Offset in the Statements of Financial Condition, Assets, Financial Instruments	0	0
Gross Amounts Not Offset in the Statements of Financial Condition, Assets, Cash Collateral Received/Pledged	0	0
Assets, Net Amount	379,307
Gross Amounts Recognized, Liabilities	(187,609)	(460,830)
Gross Amount Offset in the Statements of Financial Condition, Liabilities	187,609	269,891
Amount Presented in the statements of Financial Condition, Liabilities		(190,939)
Gross Amounts Not Offset in the Statements of Financial Condition, Liabilities, Financial Instruments	0	0
Gross Amounts Not Offset in the Statements of Financial Condition, Liabilities, Cash Collateral Received/Pledged	0	0
Liabilities, Net Amount		(190,939)
Forward Contracts [Member]
Derivative [Line Items]
Gross Amounts Recognized, Assets	1,366,917	1,264,408
Gross Amounts Offset in the Statements of Financial Condition, Assets	(1,363,598)	(1,264,408)
Amount Presented in the statements of Financial Condition, Assets	3,319
Gross Amounts Not Offset in the Statements of Financial Condition, Assets, Financial Instruments	0	0
Gross Amounts Not Offset in the Statements of Financial Condition, Assets, Cash Collateral Received/Pledged	0	0
Assets, Net Amount	3,319
Gross Amounts Recognized, Liabilities	(1,363,598)	(1,322,225)
Gross Amount Offset in the Statements of Financial Condition, Liabilities	1,363,598	1,264,408
Amount Presented in the statements of Financial Condition, Liabilities		(57,817)
Gross Amounts Not Offset in the Statements of Financial Condition, Liabilities, Financial Instruments	0	0
Gross Amounts Not Offset in the Statements of Financial Condition, Liabilities, Cash Collateral Received/Pledged	$ 0	0
Liabilities, Net Amount		$ (57,817)