XML 88 R74.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Variable Interest Entities (Details 1) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Variable Interest Entity, Classification of Carrying Amount, Assets and Liabilities, Net [Abstract] |  |
TOTAL ASSETS | $ 1,915 | $ 3,043
TOTAL LIABILITIES AND NONCONTROLLING INTERESTS | 1,915 | 3,043
Cash and cash equivalents [Member] |  |
Variable Interest Entity, Classification of Carrying Amount, Assets and Liabilities, Net [Abstract] |  |
TOTAL ASSETS | 48 | 33
Restricted cash [Member] |  |
Variable Interest Entity, Classification of Carrying Amount, Assets and Liabilities, Net [Abstract] |  |
TOTAL ASSETS | 25 | 20
Trade accounts receivable [Member] |  |
Variable Interest Entity, Classification of Carrying Amount, Assets and Liabilities, Net [Abstract] |  |
TOTAL ASSETS | 844 | 1,873
Prepaid expenses [Member] |  |
Variable Interest Entity, Classification of Carrying Amount, Assets and Liabilities, Net [Abstract] |  |
TOTAL ASSETS | 479 | 480
Other current assets [Member] |  |
Variable Interest Entity, Classification of Carrying Amount, Assets and Liabilities, Net [Abstract] |  |
TOTAL ASSETS | 51 | 178
Other assets [Member] |  |
Variable Interest Entity, Classification of Carrying Amount, Assets and Liabilities, Net [Abstract] |  |
TOTAL ASSETS | 468 | 459
Current liabilities [Member] |  |
Variable Interest Entity, Classification of Carrying Amount, Assets and Liabilities, Net [Abstract] |  |
TOTAL LIABILITIES AND NONCONTROLLING INTERESTS | 267 | 479
Due to IDT Energy [Member] |  |
Variable Interest Entity, Classification of Carrying Amount, Assets and Liabilities, Net [Abstract] |  |
TOTAL LIABILITIES AND NONCONTROLLING INTERESTS | 427 | 1,377
Noncontrolling interests [Member] |  |
Variable Interest Entity, Classification of Carrying Amount, Assets and Liabilities, Net [Abstract] |  |
TOTAL LIABILITIES AND NONCONTROLLING INTERESTS | $ 1,221 | $ 1,187

X
- References No definition available. + Details
Name: | us-gaap_VariableInterestEntityClassificationOfCarryingAmountAssetsAndLiabilitiesNetAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=52262685&loc=d3e5710-111685 + Details
Name: | us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The carrying amount of the consolidated Variable Interest Entity's liabilities included in the reporting entity's statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=52262685&loc=d3e5710-111685 + Details
Name: | us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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

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

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

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

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

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

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

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