SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)	12 Months Ended
	Dec. 31, 2016 USD ($) $ / bu	Dec. 31, 2015 USD ($)
Revenue Recognition
Excess of net financial base over tax base	$ 8,000,000	$ 11,000,000
Annual contractual payments to Cargill to arrange for the delivery of the corn by its members	$ 92,000
Incentive paid per bushel to members who deliver corn under Method A | $ / bu	0.05
Agency fee paid per bushel by the members who elect Method B | $ / bu	0.02
Payment made by Cargill for corn delivered using Method B	$ 0
Concentrations
Cash balance in excess of the FDIC insurance limits	$ 2,800,000
Minimum [Member]
Property and equipment
Estimated useful lives	5 years
Maximum [Member]
Property and equipment
Estimated useful lives	10 years