Derivative Instruments - Offsetting of Derivative Assets (Details) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Offsetting of Derivative Assets
Gross Amount of Recognized Assets	$ 5,548,363	$ 6,975,930
Gross Amounts Offset in the Consolidated Statement of Financial Condition	(1,973,562)	(3,126,332)
Net Amount of Unrealized Gain Presented in the Consolidated Statement of Financial Condition	3,574,801	3,849,598
Futures Contracts
Offsetting of Derivative Assets
Gross Amount of Recognized Assets	3,747,443	5,223,195
Gross Amounts Offset in the Consolidated Statement of Financial Condition	(1,657,837)	(2,578,536)
Net Amount of Unrealized Gain Presented in the Consolidated Statement of Financial Condition	2,089,606	2,644,659
Forward Contracts
Offsetting of Derivative Assets
Gross Amount of Recognized Assets	167,777	573,423
Gross Amounts Offset in the Consolidated Statement of Financial Condition	(281,376)	(547,796)
Net Amount of Unrealized Gain Presented in the Consolidated Statement of Financial Condition		25,627
Net Amount of Unrealized Gain Presented in the Consolidated Statement of Financial Condition	(113,599)
Swap Contracts
Offsetting of Derivative Assets
Gross Amount of Recognized Assets	1,633,143	1,179,312
Gross Amounts Offset in the Consolidated Statement of Financial Condition	(34,349)
Net Amount of Unrealized Gain Presented in the Consolidated Statement of Financial Condition	$ 1,598,794	$ 1,179,312

Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

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