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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 |

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