Derivative Instruments and Hedging Activities (Details) - Schedule of Derivatives Not Designated as Hedging Instruments (USD $)	Jun. 30, 2013	Dec. 31, 2012
Derivative Instruments and Hedging Activities (Details) - Schedule of Derivatives Not Designated as Hedging Instruments [Line Items]
Asset Derivatives Fair Value	$ 537,503	$ 963,711
Liability Derivatives Fair Value	(1,194,687)	(858,769)
Net Fair Value	(657,184)	104,942
Agriculture [Member]
Derivative Instruments and Hedging Activities (Details) - Schedule of Derivatives Not Designated as Hedging Instruments [Line Items]
Asset Derivatives Fair Value	339,614	678,316
Liability Derivatives Fair Value	(722,454)	(369,972)
Net Fair Value	(382,840)	308,344
Currency [Member]
Derivative Instruments and Hedging Activities (Details) - Schedule of Derivatives Not Designated as Hedging Instruments [Line Items]
Asset Derivatives Fair Value	3,126	94,041
Liability Derivatives Fair Value	(134,485)	(185,622)
Net Fair Value	(131,359)	(91,581)
Energy [Member]
Derivative Instruments and Hedging Activities (Details) - Schedule of Derivatives Not Designated as Hedging Instruments [Line Items]
Asset Derivatives Fair Value	39,618	76,522
Liability Derivatives Fair Value	(213,530)	(202,853)
Net Fair Value	(173,912)	(126,331)
Indices [Member]
Derivative Instruments and Hedging Activities (Details) - Schedule of Derivatives Not Designated as Hedging Instruments [Line Items]
Asset Derivatives Fair Value	13,964	60,504
Liability Derivatives Fair Value	(55,217)	(55,851)
Net Fair Value	(41,253)	4,653
Interest Rates [Member]
Derivative Instruments and Hedging Activities (Details) - Schedule of Derivatives Not Designated as Hedging Instruments [Line Items]
Asset Derivatives Fair Value	51,934	30,579
Liability Derivatives Fair Value	(919)	(20,778)
Net Fair Value	51,015	9,801
Metal [Member]
Derivative Instruments and Hedging Activities (Details) - Schedule of Derivatives Not Designated as Hedging Instruments [Line Items]
Asset Derivatives Fair Value	89,247	23,749
Liability Derivatives Fair Value	(68,082)	(23,693)
Net Fair Value	$ 21,165	$ 56