XML 72 R61.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Variable Interest Entity (Details Textual) - CCE [Member] $ in Millions | 1 Months Ended
--- | ---
Oct. 31, 2015 USD ($)
Variable Interest Entity (Textual) |
Forgiveness of loan | $ 0.5
Expiration date of the option | Oct. 22, 2023
Percentage of option to purchase | 100.00%

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- Definition Variable interest entity activity between VIE and entity percentage of VIE interests subject to option. + References No definition available. + Details
Name: | gne_VariableInterestEntityActivityBetweenVieAndEntityPercentageOfVieInterestsSubjectToOption
Namespace Prefix: | gne_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Variable interest entity option exercise loan forgiveness. + References No definition available. + Details
Name: | gne_VariableInterestEntityOptionExerciseLoanForgiveness
Namespace Prefix: | gne_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
Name: | gne_VariableInterestEntityTextualAbstract
Namespace Prefix: | gne_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Expiration date of the option. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Footnote 5 + Details
Name: | invest_InvestmentOptionsExpirationDate
Namespace Prefix: | invest_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=gne_CitizensChoiceEnergyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |