Derivative Instruments - Offsetting of Derivative Assets (Details) - USD ($)	Mar. 31, 2016	Dec. 31, 2015
Offsetting of Derivative Assets
Gross Amount of Recognized Assets	$ 8,279,825	$ 8,801,134
Gross Amounts Offset in the Consolidated Statement of Financial Condition	(7,923,377)	(7,046,098)
Net Amount of Unrealized Gain Presented in the Consolidated Statement of Financial Condition	356,448	1,755,036
Futures Contracts
Offsetting of Derivative Assets
Gross Amount of Recognized Assets	7,208,669	6,950,709
Gross Amounts Offset in the Consolidated Statement of Financial Condition	(5,038,650)	(6,123,114)
Net Amount of Unrealized Gain Presented in the Consolidated Statement of Financial Condition	2,170,019	827,595
Forward Contracts
Offsetting of Derivative Assets
Gross Amount of Recognized Assets	1,071,156	682,325
Gross Amounts Offset in the Consolidated Statement of Financial Condition	(991,014)	(922,984)
Net Amount of Unrealized Gain Presented in the Consolidated Statement of Financial Condition	80,142	(240,659)
Swap Contracts
Offsetting of Derivative Assets
Gross Amount of Recognized Assets		1,168,100
Gross Amounts Offset in the Consolidated Statement of Financial Condition	(1,893,713)
Net Amount of Unrealized Gain Presented in the Consolidated Statement of Financial Condition	$ (1,893,713)	$ 1,168,100