Derivative Instruments - Offsetting of Derivative Liabilities (Details) - USD ($)	Sep. 30, 2017	Dec. 31, 2016
Offsetting of Derivative Liabilities
Gross Amount of Recognized Liabilities	$ 6,633,079	$ 4,581,389
Gross Amounts Offset in the Consolidated Statement of Financial Condition	(6,633,079)	(4,581,389)
Net Amount of Unrealized Gain Presented in the Consolidated Statement of Financial Condition	354,585
Futures Contracts
Offsetting of Derivative Liabilities
Gross Amount of Recognized Liabilities	3,721,417	2,886,203
Gross Amounts Offset in the Consolidated Statement of Financial Condition	(3,721,417)	(2,886,203)
Forward Contracts
Offsetting of Derivative Liabilities
Gross Amount of Recognized Liabilities	941,210	555,922
Gross Amounts Offset in the Consolidated Statement of Financial Condition	(941,210)	(555,922)
Net Amount of Unrealized Gain Presented in the Consolidated Statement of Financial Condition	514,397
Swap Contracts
Offsetting of Derivative Liabilities
Gross Amount of Recognized Liabilities	1,970,452
Gross Amounts Offset in the Consolidated Statement of Financial Condition	(1,970,452)
Net Amount of Unrealized Gain Presented in the Consolidated Statement of Financial Condition	$ 137,441	734,698
Options on Futures and Forward Contracts
Offsetting of Derivative Liabilities
Gross Amount of Recognized Liabilities		1,139,264
Gross Amounts Offset in the Consolidated Statement of Financial Condition		$ (1,139,264)