Annual report pursuant to Section 13 and 15(d)

2. PACIFIC ETHANOL PLANTS (Details Narrative)

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2. PACIFIC ETHANOL PLANTS (Details Narrative) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Asset Management Agreement      
Recorded cost attributed to New PE Holdco $ 3,530us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityExpense
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= peix_AssetManagementAgreementMember
$ 3,477us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityExpense
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= peix_AssetManagementAgreementMember
$ 3,180us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityExpense
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= peix_AssetManagementAgreementMember
Ethanol Marketing Agreements      
Recorded cost attributed to New PE Holdco 3,986us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityExpense
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= peix_EthanolMarketingAgreementsMember
3,351us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityExpense
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= peix_EthanolMarketingAgreementsMember
3,157us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityExpense
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= peix_EthanolMarketingAgreementsMember
Corn Procurement and Handling Agreements      
Recorded cost attributed to New PE Holdco 2,989us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityExpense
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= peix_CornProcurementAndHandlingAgreementsMember
2,423us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityExpense
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= peix_CornProcurementAndHandlingAgreementsMember
2,271us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityExpense
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= peix_CornProcurementAndHandlingAgreementsMember
Distillers Grains Marketing Agreements      
Recorded cost attributed to New PE Holdco $ 4,788us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityExpense
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= peix_DistillersGrainsMarketingAgreementsMember
$ 4,584us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityExpense
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= peix_DistillersGrainsMarketingAgreementsMember
$ 4,353us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityExpense
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= peix_DistillersGrainsMarketingAgreementsMember