STATEMENTS OF CHANGES IN PARTNERS' CAPITAL (Unaudited) (USD $)	Limited Partners [Member]	General Partner [Member]	Total
Partner's Capital at Dec. 31, 2010	$ 404,921,242	$ 4,329,618	$ 409,250,860
Partner's Capital (in units) at Dec. 31, 2010			10,760,255.711
Increase (decrease) in Partners' Capital [Roll Forward]
Net Loss	(42,866,500)	(458,968)	(43,325,468)
Redemptions	(39,178,292)	(399,978)	(39,578,270)
Redemptions (in units)			(1,100,767.732)
Partner's Capital at Sep. 30, 2011	322,876,450	3,470,672	326,347,122
Partner's Capital (in units) at Sep. 30, 2011			9,659,487.979
Partner's Capital at Dec. 31, 2011	283,036,281	3,108,127	286,144,408
Partner's Capital (in units) at Dec. 31, 2011			9,158,617.900
Increase (decrease) in Partners' Capital [Roll Forward]
Net Loss	(8,519,908)	(109,082)	(8,628,990)
Redemptions	(48,340,605)	(600,010)	(48,940,615)
Redemptions (in units)			(1,560,330.685)
Partner's Capital at Sep. 30, 2012	$ 226,175,768	$ 2,399,035	$ 228,574,803
Partner's Capital (in units) at Sep. 30, 2012			7,598,287.215