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Equity - Classification of Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Variable Interest Entity [Line Items]
Goodwill	$ 79,407	$ 79,147
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Total Assets	311,334
Total Liabilities	165,825
Variable Interest Entity, Primary Beneficiary | Total current assets
Variable Interest Entity [Line Items]
Total Assets	191,535
Variable Interest Entity, Primary Beneficiary | Cash and cash equivalents
Variable Interest Entity [Line Items]
Total Assets	24,784
Variable Interest Entity, Primary Beneficiary | Accounts receivable
Variable Interest Entity [Line Items]
Total Assets	108,754
Variable Interest Entity, Primary Beneficiary | Other current assets
Variable Interest Entity [Line Items]
Total Assets	57,997
Variable Interest Entity, Primary Beneficiary | Total non-current assets
Variable Interest Entity [Line Items]
Total Assets	119,799
Variable Interest Entity, Primary Beneficiary | Goodwill
Variable Interest Entity [Line Items]
Goodwill	79,407
Variable Interest Entity, Primary Beneficiary | Other assets
Variable Interest Entity [Line Items]
Total Assets	40,392
Variable Interest Entity, Primary Beneficiary | Total current liabilities
Variable Interest Entity [Line Items]
Total Liabilities	156,778
Variable Interest Entity, Primary Beneficiary | Accounts payable and Accrued Liabilities
Variable Interest Entity [Line Items]
Total Liabilities	77,633
Variable Interest Entity, Primary Beneficiary | Intercompany payable with Spark Energy, Inc.
Variable Interest Entity [Line Items]
Total Liabilities	37,636
Variable Interest Entity, Primary Beneficiary | Current portion of Senior Credit Facility
Variable Interest Entity [Line Items]
Total Liabilities	22,236
Variable Interest Entity, Primary Beneficiary | Business Combination, Contingent Consideration, Liability, Current [Member]
Variable Interest Entity [Line Items]
Total Liabilities	12,103
Variable Interest Entity, Primary Beneficiary | Other current liabilities
Variable Interest Entity [Line Items]
Total Liabilities	7,170
Variable Interest Entity, Primary Beneficiary | Total long-term liabilities
Variable Interest Entity [Line Items]
Total Liabilities	9,047
Variable Interest Entity, Primary Beneficiary | Contingent consideration
Variable Interest Entity [Line Items]
Total Liabilities	4,083
Variable Interest Entity, Primary Beneficiary | Other long-term liabilities
Variable Interest Entity [Line Items]
Total Liabilities	$ 4,964

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
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-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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