Fair Value Measurements and Disclosures (Details) (USD $)	Jun. 30, 2012		Dec. 31, 2011
Assets and Liabilities Measured at Fair Value [Abstract]
Unrealized currency loss	$ (2,404,698)		$ (2,392,751)
Recurring Basis [Member]
Assets [Abstract]
Futures	646,738		1,856,568
Forwards			1,386,487
Total Assets	646,738		3,243,055
Liabilities [Abstract]
Futures	1,334,476		704,278
Forwards	925,341		56,077
Total Liabilities	2,259,817		760,355
Assets and Liabilities Measured at Fair Value [Abstract]
Unrealized currency loss	(2,404,698)		(2,392,751)
Net fair value	(4,017,777)	[1]	89,949	[1]
Recurring Basis [Member] | Unadjusted Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Assets [Abstract]
Futures	646,738		1,856,568
Forwards			0
Total Assets	646,738		1,856,568
Liabilities [Abstract]
Futures	1,334,476		704,278
Forwards	0		0
Total Liabilities	1,334,476		704,278
Assets and Liabilities Measured at Fair Value [Abstract]
Net fair value	(687,738)	[1]	1,152,290	[1]
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member]
Assets [Abstract]
Futures	0		0
Forwards			1,386,487
Total Assets	0		1,386,487
Liabilities [Abstract]
Futures	0		0
Forwards	925,341		56,077
Total Liabilities	925,341		56,077
Assets and Liabilities Measured at Fair Value [Abstract]
Net fair value	(925,341)	[1]	1,330,410	[1]
Recurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member]
Assets [Abstract]
Futures
Forwards
Total Assets
Liabilities [Abstract]
Futures
Forwards
Total Liabilities
Assets and Liabilities Measured at Fair Value [Abstract]
Net fair value		[1]		[1]

[1] This amount comprises the "Total net unrealized gain (loss) on open contracts" on the Statements of Financial Condition.