Statements of Changes in Partners' Capital (USD $)	General Partner	Limited Partners	Total
Balances at Dec. 31, 2009	$ 0	$ 37,637,148	$ 37,637,148
Net asset value, beginning of year at Dec. 31, 2009	$ 53.77		$ 53.77
Addition of 1,850,000, 300,000 and 800,000 partnership units	0	30,789,052	30,789,052
Redemption of 350,000, 300,000 and 500,000 partnership units	0	(19,684,196)	(19,684,196)
Net loss	0	(13,719,991)	(13,719,991)
Balances at Dec. 31, 2010	0	35,022,013	35,022,013
Net asset value, end of year at Dec. 31, 2010	$ 35.02		$ 35.02
Addition of 1,850,000, 300,000 and 800,000 partnership units	0	10,130,630	10,130,630
Redemption of 350,000, 300,000 and 500,000 partnership units	0	(9,597,603)	(9,597,603)
Net loss	0	(14,345,494)	(14,345,494)
Balances at Dec. 31, 2011	0	21,209,546	21,209,546
Net asset value, end of year at Dec. 31, 2011	$ 21.21		$ 21.21
Addition of 1,850,000, 300,000 and 800,000 partnership units		33,083,248	33,083,248
Redemption of 350,000, 300,000 and 500,000 partnership units		(6,377,911)	(6,377,911)
Net loss	0	(4,829,192)	(4,829,192)
Balances at Dec. 31, 2012	$ 0	$ 43,085,691	$ 43,085,691
Net asset value, end of year at Dec. 31, 2012	$ 17.23		$ 17.23