Trading Activities - Summary of Gross and Net Amounts Recognized Relating to Assets and Liabilities of Partnership's Derivatives Instruments and Transactions Eligible for Offset Subject to Master Netting Agreements or Similar Agreements (Detail) - USD ($)	Sep. 30, 2016	Dec. 31, 2015
Derivative [Line Items]
Gross Amounts Recognized, Assets	$ 946,287	$ 1,057,600
Gross Amounts Offset in the Statements of Financial Condition, Assets	(689,127)	(817,341)
Net Amount Presented in of Financial Condition, Assets	257,160	240,259
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	257,160	240,259
Gross Amounts Recognized, Liabilities	(689,127)	(817,341)
Gross Amount Offset in the Statements of Financial Condition, Liabilities	689,127	817,341
Net Amounts Presented in the Statements of Financial Condition, Liabilities	0	0
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	0	0
Net fair value	257,160	240,259
Futures Contracts [Member]
Derivative [Line Items]
Gross Amounts Recognized, Assets	795,678	817,717
Gross Amounts Offset in the Statements of Financial Condition, Assets	(574,580)	(580,290)
Net Amount Presented in of Financial Condition, Assets	221,098	237,427
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	221,098	237,427
Gross Amounts Recognized, Liabilities	(574,580)	(580,290)
Gross Amount Offset in the Statements of Financial Condition, Liabilities	574,580	580,290
Net Amounts Presented in the Statements of Financial Condition, Liabilities	0	0
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	0	0
Forward Contracts [Member]
Derivative [Line Items]
Gross Amounts Recognized, Assets	150,609	239,883
Gross Amounts Offset in the Statements of Financial Condition, Assets	(114,547)	(237,051)
Net Amount Presented in of Financial Condition, Assets	36,062	2,832
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	36,062	2,832
Gross Amounts Recognized, Liabilities	(114,547)	(237,051)
Gross Amount Offset in the Statements of Financial Condition, Liabilities	114,547	237,051
Net Amounts Presented in the Statements of Financial Condition, Liabilities	0	0
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	$ 0	$ 0