XML 58 R47.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Derivative Financial Instruments (Schedule Of Gain Or Loss Recognized In Income And Other Comprehensive Income) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Derivative Instruments, Gain (Loss) [Line Items] |  |
Gains (Losses) on Derivative Instruments Not Designated in a Hedging Relationship | $ 6,888 | $ (8,640)
Gains (Losses) Due to Ineffectiveness of Cash Flow Hedges | (133) |
Gains (Losses) Reclassified from Accumulated Other Comprehensive Income (Loss) into Net Income | 4,982 | 2,134
Gains (Losses) from Fair Value Hedges of Inventory | 1,437 | 910
Revenue [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Gains (Losses) on Derivative Instruments Not Designated in a Hedging Relationship | (5,048) | (2,794)
Gains (Losses) Due to Ineffectiveness of Cash Flow Hedges | (133) |
Gains (Losses) Reclassified from Accumulated Other Comprehensive Income (Loss) into Net Income | 4,152 | 245
Revenue (Effect of Change In Inventory Value) [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Gains (Losses) from Fair Value Hedges of Inventory | 1,421 | 1,760
Revenue (Effect of Fair Value Hedge) [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Gains (Losses) from Fair Value Hedges of Inventory | (1,095) | (1,760)
Cost of Goods Sold [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Gains (Losses) on Derivative Instruments Not Designated in a Hedging Relationship | 11,936 | (5,846)
Gains (Losses) Reclassified from Accumulated Other Comprehensive Income (Loss) into Net Income | 830 | 1,889
Cost of Goods Sold (Effect of Change in Inventory Value) [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Gains (Losses) from Fair Value Hedges of Inventory | (1,928) | (4,898)
Cost of Goods Sold (Effect of Fair Value Hedge) [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Gains (Losses) from Fair Value Hedges of Inventory | $ 3,039 | $ 5,808

X
- Definition Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986 + Details
Name: | us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DerivativeInstrumentsGainLossLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4D -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624177-113959 + Details
Name: | us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -Subparagraph (a)(1),(2) -URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986 + Details
Name: | us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 + Details
Name: | us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_SalesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=gpre_RevenueEffectOfChangeInInventoryValueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=gpre_RevenueEffectOfFairValueHedgeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_CostOfSalesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=gpre_CostOfGoodsSoldEffectOfChangeInInventoryValueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=gpre_CostOfGoodsSoldEffectiveFairValueHedgeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |