NET SALES AND REVENUE (Details) - Schedule of Sales of Consolidated Ethanol Plants - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2017	Apr. 30, 2016
Revenue from External Customer [Line Items]
Product or Service	$ 113,143	$ 100,222
Ethanol [Member]
Revenue from External Customer [Line Items]
Product or Service	91,472	77,631
Dried Distillers Grains [Member]
Revenue from External Customer [Line Items]
Product or Service	15,149	17,054
Non-Food Grade Corn Oil [Member]
Revenue from External Customer [Line Items]
Product or Service	4,593	3,846
Modified Distillers Grains [Member]
Revenue from External Customer [Line Items]
Product or Service	1,920	1,564
Other Product [Member]
Revenue from External Customer [Line Items]
Product or Service	$ 9	$ 127