Derivatives and Hedging, Effect of Trading Activities (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Futures and Forward Contracts [Abstract]
Total net unrealized gain/(loss) on open contracts	$ (338,080)		$ (338,080)		$ (1,225,581)
Unrealized currency loss	(2,395,372)		(2,395,372)		(2,388,713)
Effect of Trading Activities on Statements of Income [Abstract]
Unrealized currency gain (loss)	(7,972)	10,188	(6,659)	12,282
Net realized	2,215,029	121,421	743,754	6,821,185
Net change in unrealized	1,211,498	(906,482)	887,501	(1,776,672)
Total Trading Results	3,426,527	(785,061)	1,631,255	5,044,513
Commodity [Member]
Effect of Trading Activities on Statements of Income [Abstract]
Trading results	1,088,449	(1,398,611)	(265,854)	1,893,887
Equity [Member]
Effect of Trading Activities on Statements of Income [Abstract]
Trading results	72,377	1,154,822	(749,295)	3,313,699
Foreign Currency [Member]
Effect of Trading Activities on Statements of Income [Abstract]
Trading results	1,759,508	(717,567)	1,097,610	953,135
Interest Rate [Member]
Effect of Trading Activities on Statements of Income [Abstract]
Trading results	514,165	166,107	1,555,453	(1,128,490)
Futures And Forward Contracts [Member]
Futures and Forward Contracts [Abstract]
Total net unrealized gain/(loss) on open contracts	2,057,292		2,057,292		1,163,132
Futures And Forward Contracts [Member] | Commodity [Member]
Futures and Forward Contracts [Abstract]
Total net unrealized gain/(loss) on open contracts	654,524		654,524		(21,134)
Average number of contracts outstanding	945		945		662
Futures And Forward Contracts [Member] | Equity [Member]
Futures and Forward Contracts [Abstract]
Total net unrealized gain/(loss) on open contracts	(82,048)		(82,048)		964,219
Average number of contracts outstanding	372		372		549
Futures And Forward Contracts [Member] | Foreign Currency [Member]
Futures and Forward Contracts [Abstract]
Total net unrealized gain/(loss) on open contracts	1,319,947		1,319,947		231,296
Average number of contracts outstanding	466		466		5,227
Futures And Forward Contracts [Member] | Interest Rate [Member]
Futures and Forward Contracts [Abstract]
Total net unrealized gain/(loss) on open contracts	164,869		164,869		(11,249)
Average number of contracts outstanding	1,011		1,011		1,357
Futures And Forward Contracts [Member] | Long [Member]
Futures and Forward Contracts [Abstract]
Unrealized gain	290,394		290,394		1,050,800
Unrealized loss	(2,116,977)		(2,116,977)		(365,999)
Futures And Forward Contracts [Member] | Long [Member] | Commodity [Member]
Futures and Forward Contracts [Abstract]
Unrealized gain	14,060		14,060		8,370
Unrealized loss	(269,928)		(269,928)		(210,864)
Futures And Forward Contracts [Member] | Long [Member] | Equity [Member]
Futures and Forward Contracts [Abstract]
Unrealized gain	50,751		50,751		968,426
Unrealized loss	(134,239)		(134,239)		0
Futures And Forward Contracts [Member] | Long [Member] | Foreign Currency [Member]
Futures and Forward Contracts [Abstract]
Unrealized gain	2,977		2,977		73,963
Unrealized loss	(1,661,756)		(1,661,756)		(26,337)
Futures And Forward Contracts [Member] | Long [Member] | Interest Rate [Member]
Futures and Forward Contracts [Abstract]
Unrealized gain	222,606		222,606		41
Unrealized loss	(51,054)		(51,054)		(128,798)
Futures And Forward Contracts [Member] | Short [Member]
Futures and Forward Contracts [Abstract]
Unrealized gain	3,973,069		3,973,069		783,350
Unrealized loss	(89,194)		(89,194)		(305,019)
Futures And Forward Contracts [Member] | Short [Member] | Commodity [Member]
Futures and Forward Contracts [Abstract]
Unrealized gain	967,825		967,825		205,290
Unrealized loss	(57,433)		(57,433)		(23,930)
Futures And Forward Contracts [Member] | Short [Member] | Equity [Member]
Futures and Forward Contracts [Abstract]
Unrealized gain	8,726		8,726		5,650
Unrealized loss	(7,286)		(7,286)		(9,857)
Futures And Forward Contracts [Member] | Short [Member] | Foreign Currency [Member]
Futures and Forward Contracts [Abstract]
Unrealized gain	2,993,599		2,993,599		454,118
Unrealized loss	(14,873)		(14,873)		(270,448)
Futures And Forward Contracts [Member] | Short [Member] | Interest Rate [Member]
Futures and Forward Contracts [Abstract]
Unrealized gain	2,919		2,919		118,292
Unrealized loss	$ (9,602)		$ (9,602)		$ (784)