XML 27 R89.htm IDEA: XBRL DOCUMENT v2.4.1.9

Related Party Transactions (Narrative) (Details) (USD $)	0 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended
	Jan. 01, 2015	Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Related Party Transaction [Line Items]
Outstanding accounts payable			$ 170,199,000us-gaap_AccountsPayableCurrent	$ 170,199,000us-gaap_AccountsPayableCurrent	$ 112,001,000us-gaap_AccountsPayableCurrent
AXIS Capital [Member]
Related Party Transaction [Line Items]
Outstanding note payable			1,400,000us-gaap_NotesPayable / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = gpre_AxisCapitalMember	1,400,000us-gaap_NotesPayable / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = gpre_AxisCapitalMember
Debt included in financing arrangements			1,200,000us-gaap_DueToRelatedPartiesCurrentAndNoncurrent / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = gpre_AxisCapitalMember	1,200,000us-gaap_DueToRelatedPartiesCurrentAndNoncurrent / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = gpre_AxisCapitalMember	100,000us-gaap_DueToRelatedPartiesCurrentAndNoncurrent / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = gpre_AxisCapitalMember
Principal payments (plus interest)				300,000us-gaap_DebtInstrumentPeriodicPayment / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = gpre_AxisCapitalMember	100,000us-gaap_DebtInstrumentPeriodicPayment / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = gpre_AxisCapitalMember	300,000us-gaap_DebtInstrumentPeriodicPayment / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = gpre_AxisCapitalMember
Weighted average interest rate			6.80%us-gaap_DebtWeightedAverageInterestRate / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = gpre_AxisCapitalMember	6.80%us-gaap_DebtWeightedAverageInterestRate / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = gpre_AxisCapitalMember
Hoovestol Inc [Member]
Related Party Transaction [Line Items]
Cash payments				187,000us-gaap_PaymentsToSuppliersAndEmployees / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = gpre_HoovestolIncMember	136,000us-gaap_PaymentsToSuppliersAndEmployees / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = gpre_HoovestolIncMember	121,000us-gaap_PaymentsToSuppliersAndEmployees / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = gpre_HoovestolIncMember
Outstanding accounts payable			2,000us-gaap_AccountsPayableCurrent / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = gpre_HoovestolIncMember	2,000us-gaap_AccountsPayableCurrent / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = gpre_HoovestolIncMember
Aircraft lease amount payable, per month	$ 9,766us-gaap_AircraftRental / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = gpre_HoovestolIncMember	$ 6,667us-gaap_AircraftRental / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = gpre_HoovestolIncMember	$ 15,834us-gaap_AircraftRental / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = gpre_HoovestolIncMember
Aircraft hours available each month under lease	125gpre_AircraftUsingHours / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = gpre_HoovestolIncMember	100gpre_AircraftUsingHours / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = gpre_HoovestolIncMember	125gpre_AircraftUsingHours / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = gpre_HoovestolIncMember

X

- Definition

Aircraft hours available each month under lease

+ References

No definition available.

+ Details

Name:	gpre_AircraftUsingHours
Namespace Prefix:	gpre_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19

-Subparagraph a

-Article 5



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(a))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Expenses incurred related to the lease of aircraft from outside third parties that are used in the entity's business operations.

+ References

No definition available.

+ Details

Name:	us-gaap_AircraftRental
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of the required periodic payments including both interest and principal payments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 470

-Section 50

-Paragraph 3

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

+ Details

Name:	us-gaap_DebtInstrumentPeriodicPayment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Carrying amount as of the balance sheet date of obligations due all related parties.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(k)(1))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 850

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph k

-Subparagraph 1

-Article 4



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.17)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910



Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 17

-Article 7



Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.15(3),(4))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878



Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 15

-Subparagraph 3, 4

-Article 9

+ Details

Name:	us-gaap_DueToRelatedPartiesCurrentAndNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 13, 16

-Article 9

+ Details

Name:	us-gaap_NotesPayable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Cash payments to suppliers for goods and services provided and to employees for services provided.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585

+ Details

Name:	us-gaap_PaymentsToSuppliersAndEmployees
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=gpre_AxisCapitalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=gpre_HoovestolIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: