STATEMENTS OF CHANGES IN PARTNERS' CAPITAL (Unaudited) (USD $)	Class A [Member]	Class B [Member]	Class C [Member]	Class D [Member]		Class Z [Member]	Total
Balance at Dec. 31, 2011	$ 32,837,331	$ 5,961,752	$ 9,577,626	$ 60,698		$ 1,003,817	$ 49,441,224
Balance (in units) at Dec. 31, 2011	34,210.600	6,075.289	9,546.728	59.829		957.352	50,849.798
Increase (Decrease) in Partners' Capital [Roll Forward]
Subscriptions	471,500	125,000	0	0		0	596,500
Subscriptions (in units)	491.209	126.801	0	0		0	618.010
Net Income (Loss)	(1,041,355)	(168,515)	(282,416)	(508)		(17,667)	(1,510,461)
Redemptions	(6,855,720)	(1,538,227)	(418,709)	(37,519)		(327,087)	(9,177,262)
Redemptions (in units)	(7,168.341)	(1,577.581)	(414.000)	(36.817)		(313.423)	(9,510.162)
Balance at Sep. 30, 2012	25,411,756	4,380,010	8,876,501	22,671		659,063	39,350,001
Balance (in units) at Sep. 30, 2012	27,533.468	4,624.509	9,132.728	23.012		643.929	41,957.646
Balance at Jun. 30, 2012
Increase (Decrease) in Partners' Capital [Roll Forward]
Net Income (Loss)	(262,437)	(35,821)	(79,794)	783	[1]	(3,519)
Balance at Sep. 30, 2012	25,411,756	4,380,010	8,876,501	22,671		659,063
Balance (in units) at Sep. 30, 2012	27,533.468	4,624.509	9,132.728	23.012		643.929
Balance at Dec. 31, 2012	21,372,186	3,800,182	7,410,939	22,006		481,131	33,086,444
Balance (in units) at Dec. 31, 2012	23,931.981	4,141.422	7,860.274	23.012		483.374	36,440.063
Increase (Decrease) in Partners' Capital [Roll Forward]
Subscriptions	25,000	0	0	0		22,122	47,122
Subscriptions (in units)	28.093	0	0	0		22.063	50.156
Net Income (Loss)	(492,836)	(74,427)	(104,559)	116		(6,306)	(678,012)
Redemptions	(4,885,668)	(724,314)	(3,125,140)	(22,122)		(100,203)	(8,857,447)
Redemptions (in units)	(5,438.207)	(776.548)	(3,315.320)	(23.012)		(100.000)	(9,653.087)
Balance at Sep. 30, 2013	16,018,682	3,001,441	4,181,240	0		396,744	23,598,107
Balance (in units) at Sep. 30, 2013	18,521.867	3,364.874	4,544.954	0		405.437	26,837.132
Balance at Jun. 30, 2013
Increase (Decrease) in Partners' Capital [Roll Forward]
Net Income (Loss)	(489,036)	(87,909)	(138,537)	0		(9,434)
Balance at Sep. 30, 2013	$ 16,018,682	$ 3,001,441	$ 4,181,240	$ 0		$ 396,744
Balance (in units) at Sep. 30, 2013	18,521.867	3,364.874	4,544.954	0		405.437

[1] The increase in Class D’s net income allocation, while incurring a net loss per unit for the quarter ended September 30, 2012, is due to the timing of redemptions of units throughout the quarter.