Derivative Instruments Disclosures (Details 1) (Not Designated as Hedging Instrument [Member], USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Net realized gain (loss), Future contracts	$ 5,294,584	$ 28,309,919
Net realized gain (loss), Forward contracts	(3,177,427)	9,005,771
Net change in unrealized loss, Future contracts	(25,891,831)	10,072,127
Net change in unrealized loss, forward contracts	3,762,955	(5,632,208)
Net realized gain (loss)	2,117,157	37,315,690
Net change in unrealized loss	(22,128,876)	4,439,919
Agricultural commodities [Member]
Net realized gain (loss), Future contracts	4,508,044	(1,387,392)
Net change in unrealized loss, Future contracts	3,572,869	625,487
Currencies [Member]
Net realized gain (loss), Future contracts	10,224	16,204,386
Net change in unrealized loss, Future contracts	(6,984,555)	(6,991,248)
Energy [Member]
Net realized gain (loss), Future contracts	(7,984,475)	(5,556,731)
Net change in unrealized loss, Future contracts	(546,717)	(279,847)
Equity indices [Member]
Net realized gain (loss), Future contracts	727,403	63,580,916
Net change in unrealized loss, Future contracts	(20,434,919)	(3,841,779)
Interest rate instruments [Member]
Net realized gain (loss), Future contracts	16,039,082	(41,057,555)
Net change in unrealized loss, Future contracts	368,872	13,516,723
Metals [Member]
Net realized gain (loss), Future contracts	(8,805,263)	(5,086,923)
Net change in unrealized loss, Future contracts	(1,481,194)	6,973,198
Single stock futures [Member]
Net realized gain (loss), Future contracts	799,569	1,613,218
Net change in unrealized loss, Future contracts	$ (386,187)	$ 69,593