XML 116 R101.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Customer Acquisitions (Details) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2015 USD ($) contract | Dec. 31, 2014 USD ($) agreement contract | Dec. 31, 2016 USD ($)
Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible assets paid and capitalized |  |  | $ 39,862
Customer Relationships | Northern California |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Residential and commercial natural gas contracts | contract | 9,500 |  |
Contract purchase price | $ 2,000,000 |  |
Amortization period | 3 years |  |
Customer Relationships | Connecticut |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Contract purchase price |  | $ 2,200,000 |
Amortization period |  | 3 years |
Number of purchase agreements | agreement |  | 2 |
Variable rate electricity contracts | contract |  | 12,500 |
Intangible assets paid and capitalized |  | $ 1,500,000 |

X
- Definition Intangible Asset, Purchase Consideration + References No definition available. + Details
Name: | spke_IntangibleAssetPurchaseConsideration
Namespace Prefix: | spke_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Intangible Assets, Number Of Purchase Agreements + References No definition available. + Details
Name: | spke_IntangibleAssetsNumberOfPurchaseAgreements
Namespace Prefix: | spke_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Purchase Agreement, Energy Contracts + References No definition available. + Details
Name: | spke_PurchaseAgreementEnergyContracts
Namespace Prefix: | spke_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Purchase Agreement, Natural Gas Contracts + References No definition available. + Details
Name: | spke_PurchaseAgreementNaturalGasContracts
Namespace Prefix: | spke_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=stpr_CA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=stpr_CT
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |