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	178,000	125,000	0	0	0	303,000
Subscriptions (in units)	184.907	126.801	0	0	0	311.708
Net Income (Loss)	(173,612)	(26,445)	(26,592)	(162)	(776)	(227,587)
Redemptions	(2,960,768)	(412,907)	(418,709)	0	(23,583)	(3,815,967)
Redemptions (in units)	(3,084.483)	(421.026)	(414.000)	0	(22.509)	(3,942.018)
Balance at Mar. 31, 2012	29,880,951	5,647,400	9,132,325	60,536	979,458	45,700,670
Balance (in units) at Mar. 31, 2012	31,311.024	5,781.064	9,132.728	59.829	934.843	47,219.488
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	0	0	0	0	22,122	22,122
Subscriptions (in units)	0	0	0	0	22.063	22.063
Net Income (Loss)	373,760	72,256	125,023	116	9,714	580,869
Redemptions	(2,222,698)	0	(1,883,550)	(22,122)	(100,203)	(4,228,573)
Redemptions (in units)	(2,451.631)	0	(1,984.318)	(23.012)	(100.000)	(4,558.961)
Balance at Mar. 31, 2013	$ 19,523,248	$ 3,872,438	$ 5,652,412	$ 0	$ 412,764	$ 29,460,862
Balance (in units) at Mar. 31, 2013	21,480.350	4,141.422	5,875.956	0	405.437	31,903.165