For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Data Type:	num:percentItemType
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CONCENTRATIONS (Details)	12 Months Ended
CONCENTRATIONS (Details)	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Supplier Concentration Risk \| 2 Grain Suppliers
Concentration Risk [Line Items]
Concentration risk, percentage	30.00%	31.00%	29.00%
Supplier Concentration Risk \| 10 Largest Suppliers
Concentration Risk [Line Items]
Concentration risk, percentage	65.00%	66.00%	68.00%
Supplier Concentration Risk \| Pacific Ethanol
Concentration Risk [Line Items]
Concentration risk, percentage			12.00%
Revenue \| Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	37.00%	39.00%	40.00%