XML 104 R41.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Commitments And Contingencies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2014
Commitments And Contingencies [Abstract] |
Schedule Of Aggregate Minimum Lease Payments |
Year Ending December 31, |  | Amount
2015 |  | $ | 30,316
2016 |  |  | 26,910
2017 |  |  | 16,810
2018 |  |  | 13,835
2019 |  |  | 9,989
Thereafter |  |  | 8,923
Total |  | $ | 106,783

X
- Definition Schedule Of Aggregate Minimum Lease Payments [Table Text Block] + References No definition available. + Details
Name: | gpre_ScheduleOfAggregateMinimumLeasePaymentsTableTextBlock
Namespace Prefix: | gpre_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration