| Component: (Network and Table) | |
|---|---|
| Network | 30903 - Disclosure - Asset Retirement Obligations (Tables) (http://www.gpreinc.com/role/DisclosureAssetRetirementObligationsTables) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0001635650 (http://www.sec.gov/CIK) |
| Asset Retirement Obligations [Abstract] | Period [Axis] | ||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2016-01-01 - 2016-12-31 | |||||||||||||||||||||||||||||||||||||||||||||
Asset Retirement Obligations [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||
Schedule of Change in the Liability for the Asset Retirement Obligations | The following table summarizes the change in the liability for the AROs (in thousands):
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