STATEMENTS OF CHANGES IN PARTNERS' CAPITAL (Unaudited) (USD $)	Limited Partners [Member]	General Partner [Member]	Total
Balance at Dec. 31, 2011	$ 283,036,281	$ 3,108,127	$ 286,144,408
Balance (in units) at Dec. 31, 2011			9,158,617.900
Increase/(decrease) in Partners' Capital [Roll Forward]
Net Income (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)
Balance at Sep. 30, 2012	226,175,768	2,399,035	228,574,803
Balance (in units) at Sep. 30, 2012			7,598,287.215
Balance at Dec. 31, 2012	193,760,270	2,213,811	195,974,081
Balance (in units) at Dec. 31, 2012			7,059,632.492
Increase/(decrease) in Partners' Capital [Roll Forward]
Net Income (Loss)	(11,265,881)	(133,059)	(11,398,940)
Redemptions	(28,897,200)	(250,012)	(29,147,212)
Redemptions (in units)			(1,047,107.031)
Balance at Sep. 30, 2013	$ 153,597,189	$ 1,830,740	$ 155,427,929
Balance (in units) at Sep. 30, 2013			6,012,525.461