Condensed Statements of Changes in Partners' Capital (USD $)	Total	General Partner [Member]	Limited Partner [Member]
Balances at Dec. 31, 2010	$ 35,022,013	$ 0	$ 35,022,013
Net asset value, beginning of period at Dec. 31, 2010	$ 35.02
Addition of partnership shares	10,130,630	0	10,130,630
Redemption of partnership shares	(9,597,603)	0	(9,597,603)
Net Income (loss)	(14,345,494)	0	(14,345,494)
Balances at Dec. 31, 2011	21,209,546	0	21,209,546
Net asset value, end of period at Dec. 31, 2011	$ 21.21
Addition of partnership shares	33,083,248	0	33,083,248
Redemption of partnership shares	(6,377,911)	0	(6,377,911)
Net Income (loss)	(4,829,192)	0	(4,829,192)
Balances at Dec. 31, 2012	43,085,691	0	43,085,691
Net asset value, end of period at Dec. 31, 2012	$ 17.23
Addition of partnership shares	5,962,931	0	5,962,931
Redemption of partnership shares	(25,655,241)	0	(25,655,241)
Net Income (loss)	4,089,602	0	4,089,602
Balances at Dec. 31, 2013	$ 27,482,983	$ 0	$ 27,482,983
Net asset value, end of period at Dec. 31, 2013	$ 18.32