CONTRACTS AND AGREEMENTS (Brokerage Commissions) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Floor Brokerage Exchange and Clearance Fees	$ 1,078	$ 641	$ 4,822	$ 2,522
Percentage Of Average Daily Net Assets	0.04%	0.02%	0.04%	0.02%
Rebalancing Investments Transaction [Member]
Floor Brokerage Exchange and Clearance Fees			$ 3,593	$ 1,150
Percentage Of Average Daily Net Assets	74.51%	45.60%	74.51%	45.60%
Creation And Redemption Activity [Member]
Floor Brokerage Exchange and Clearance Fees			$ 1,229	$ 1,372
Percentage Of Average Daily Net Assets	25.49%	54.40%	25.49%	54.40%