Condensed Statements of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash Flows from Operating Activities:
Net income (loss)	$ 4,089,602	$ (4,829,192)	$ (14,345,494)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
(Increase) decrease in commodity futures trading account - cash and cash equivalents	3,466,968	5,715,124	(3,164,487)
Unrealized (gain) loss on futures contracts	(1,996,630)	(7,676,740)	6,408,260
(Increase) decrease in receivable from General Partner	(32,077)	44,666	38,520
(Increase) decrease in dividend receivable	(249)	(228)	868
(Increase) decrease in interest receivable	0	8	(8)
(Increase) decrease in other assets	(354)	(118)	355
Increase (decrease) in investment payable	0	(8)	8
Increase (decrease) in professional fees payable	25,229	(25,802)	(53,930)
Increase (decrease) in General Partner management fees payable	(10,280)	13,964	(9,196)
Decrease in brokerage commissions payable	(1,400)	(252)	(425)
Increase (decrease) in other liabilities	(1,124)	1,358	(1,681)
Net cash provided by (used in) operating activities	5,539,685	(6,757,220)	(11,127,210)
Cash Flows from Financing Activities:
Addition of partnership shares	5,962,931	33,083,248	10,130,630
Redemption of partnership shares	(25,655,241)	(6,377,911)	(9,597,603)
Net cash provided by (used in) financing activities	(19,692,310)	26,705,337	533,027
Net Increase (Decrease) in Cash and Cash Equivalents	(14,152,625)	19,948,117	(10,594,183)
Cash and Cash Equivalents, beginning of year	39,667,209	19,719,092	30,313,275
Cash and Cash Equivalents, end of year	$ 25,514,584	$ 39,667,209	$ 19,719,092