Derivatives and Hedging (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Offsetting of Derivative Assets [Line Items]
Gross Amounts Recognized	$ 5,009,341	$ 5,244,757
Gross Amounts Offset in the Statements of Financial Condition	(3,345,819)	(3,168,433)
Net Amounts Presented in the Statement of Financial Condition	1,663,522	2,076,324
Offsetting of Derivative Liabilities [Line Items]
Gross Amounts Recognized	2,010,209	3,251,449
Gross Amounts Offset in the Statement of Financial Condition	(2,871,813)	(1,572,554)
Net Amounts Presented in the Statement of Financial Condition	(861,604)	1,678,895
Unrealized currency loss	(624,412)	(1,203,865)
Net unrealized gain on open contracts	177,506	2,551,354
Futures [Member]
Offsetting of Derivative Assets [Line Items]
Gross Amounts Recognized	4,185,155	4,891,012
Gross Amounts Offset in the Statements of Financial Condition	(3,156,029)	(2,689,281)
Net Amounts Presented in the Statement of Financial Condition	1,029,126	2,201,731
Offsetting of Derivative Liabilities [Line Items]
Gross Amounts Recognized	2,006,805	2,985,462
Gross Amounts Offset in the Statement of Financial Condition	(2,569,193)	(1,480,054)
Net Amounts Presented in the Statement of Financial Condition	(562,388)	1,505,408
Forward Contracts [Member]
Offsetting of Derivative Assets [Line Items]
Gross Amounts Recognized	824,186	353,745
Gross Amounts Offset in the Statements of Financial Condition	(189,790)	(479,152)
Net Amounts Presented in the Statement of Financial Condition	634,396	(125,407)
Offsetting of Derivative Liabilities [Line Items]
Gross Amounts Recognized	3,404	265,987
Gross Amounts Offset in the Statement of Financial Condition	(302,620)	(92,500)
Net Amounts Presented in the Statement of Financial Condition	$ (299,216)	$ 173,487