Commitments and Contingencies	12 Months Ended
Dec. 31, 2016
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies From time to time, the Company may be involved in legal, tax, regulatory and other proceedings in the ordinary course of business. Other than proceedings discussed below, management does not believe that we are a party to any litigation, claims or proceedings that will have a material impact on the Company’s combined and consolidated financial condition or results of operations. Liabilities for loss contingencies arising from claims, assessments, litigations or other sources are recorded when it is probable that a liability has been incurred and the amount can be reasonably estimated. Indirect Tax Audits The Company is undergoing various types of indirect tax audits spanning from years 2006 to 2016 for which the Company may have additional liabilities arise. At the time of filing these consolidated financial statements, these indirect tax audits are at an early stage and subject to substantial uncertainties concerning the outcome of audit findings and corresponding responses. As of December 31, 2016 we have accrued of $1.8 million related to indirect tax audit. The outcome of these indirect tax audits may result in additional expense. Legal Proceedings The Company is the subject of the following lawsuits. At the time of filing these combined and consolidated financial statements, this litigation is at an early stage and subject to substantial uncertainties concerning the outcome of material factual and legal issues. Accordingly, we cannot currently predict the manner and timing of the resolution of this litigation or estimate a range of possible losses or a minimum loss that could result from an adverse verdict in a potential lawsuit. John Melville et al v. Spark Energy Inc. and Spark Energy Gas, LLC is a purported class action filed on December 17, 2015 in the United States District Court for the District of New Jersey alleging, among other things, that (i) sales representatives engaged as independent contractors for Spark Energy Gas, LLC engaged in deceptive acts in violation of the New Jersey Consumer Fraud Act, (ii) Spark Energy Gas, LLC breach its contract with plaintiff, including a breach of the covenant of good faith and fair dealing. Plaintiffs are seeking unspecified compensatory and punitive damages for the purported class, injunctive relief and/or declaratory relief, disgorgement of revenues and/or profits and attorneys’ fees. On March 14, 2016, Spark Energy Gas, LLC and Spark Energy, Inc. filed a Motion to Dismiss this case. On April 18, 2016, Plaintiff filed his Opposition to the Motion to Dismiss. On April 25, 2016, Spark Energy, Inc. and Spark Energy Gas, LLC filed a Reply in support of their Motion to Dismiss. On November 15, 2016, the Court entered an order granting Spark Energy, Inc. and Spark Energy Gas, LLC’s Motion to Dismiss in Part and dismissed Plaintiff’s breach of covenant of good faith and fair dealing claim as well as Plaintiff’s unjust enrichment claim. On February 15, 2017, Plaintiffs filed an Amended Complaint to try to expand the class to a nation-wide class. The response to this Amended Complaint for Spark Energy, Inc. and Spark Energy Gas, LLC is due on March 15, 2017. Initial discovery has begun. We cannot predict the outcome or consequences of this case. Halifax-American Energy Company, LLC et al v. Provider Power, LLC, Electricity N.H., LLC, Electricity Maine, LLC, Emile Clavet and Kevin Dean is a lawsuit initially filed on June 12, 2014 in the Rockingham County Superior Court, State of New Hampshire, alleging various claims related to the Provider Companies’ employment of a sales contractor formerly employed with one or more of the plaintiffs, including misappropriation of trade secrets and tortious interference with a contractual relationship. The dispute occurred prior to the Company's acquisition of the Provider Companies. Portions of the original claim proceeded to trial and on January 19, 2016, a jury found in favor of the plaintiff. Damages totaling approximately $0.6 million and attorney’s fees totaling approximately $0.3 million were awarded to the plaintiff. On May 4, 2016, following post-verdict motions, the defendants filed an appeal in the State of New Hampshire Supreme Court, appealing, among other things the failure of the trial court to direct a verdict for the defendants, to set aside the verdict, or grant judgment for the defendants, and the trial court's award of certain attorneys' fees. On August 1, 2016, in connection with the Company’s closing of the acquisition of the Provider Companies, the Provider Companies entered into a joint defense agreement with the remaining defendants. The Provider Companies have posted an appeal bond of $1.0 million in connection with the appeal. On November 2, 2016, a briefing order was distributed by the court. The Provider Companies filed their brief and appendix on December 30, 2016. The opposition brief is due March 1, 2017, and the Provider Companies will have the opportunity to submit a reply brief thereafter. As of December 31, 2016, the Company has accrued approximately $1.0 million in contingent liabilities related to this litigation. Initial damages and attorney's fees have been factored into the purchase price for the Provider Companies and the Company has full indemnity coverage and set-off rights against future price installments for any actual exposure in the appeal. Katherine Veilleux and Jennifer Chon, individually and on behalf of all other similarly situated v. Electricity Maine. LLC, Provider Power, LLC, Spark Holdco, LLC, Kevin Dean and Emile Clavet is a purported class action lawsuit filed on November 18, 2016 in the United States District Court of Maine, alleging that Electricity Maine, LLC, an entity acquired by Spark Holdco, LLC in 2016, enrolled customers through fraudulent and misleading advertising and promotions. Plaintiffs allege the following claims against all Defendants: violation of the Maine Unfair Trade Practices Act, violation of RICO, negligence, negligent misrepresentation, fraudulent misrepresentation, unjust enrichment and breach of contract. Plaintiffs seek unspecified damages for themselves and the purported class, rescission of contracts with Electricity Maine, injunctive relief, restitution, and attorney’s fees. Defendants’ initial responsive pleading was filed on February 6, 2017. In early February, Spark HoldCo filed a motion to dismiss the claims for which a hearing is expected in the second quarter. Discovery has not yet commenced in this matter but we anticipate it will commence soon. We cannot predict the outcome or consequences of this case. Under the terms of the acquisition, we are indemnified for losses and expenses in connection with this action subject to certain limits.

Commitments and Contingencies

From time to time, the Company may be involved in legal, tax, regulatory and other proceedings in the ordinary course of business. Other than proceedings discussed below, management does not believe that we are a party to any litigation, claims or proceedings that will have a material impact on the Company’s combined and consolidated financial condition or results of operations. Liabilities for loss contingencies arising from claims, assessments, litigations or other sources are recorded when it is probable that a liability has been incurred and the amount can be reasonably estimated.

Indirect Tax Audits

The Company is undergoing various types of indirect tax audits spanning from years 2006 to 2016 for which the Company may have additional liabilities arise. At the time of filing these consolidated financial statements, these indirect tax audits are at an early stage and subject to substantial uncertainties concerning the outcome of audit findings and corresponding responses. As of December 31, 2016 we have accrued of $1.8 million related to indirect tax audit. The outcome of these indirect tax audits may result in additional expense.

Legal Proceedings

The Company is the subject of the following lawsuits. At the time of filing these combined and consolidated financial statements, this litigation is at an early stage and subject to substantial uncertainties concerning the outcome of material factual and legal issues. Accordingly, we cannot currently predict the manner and timing of the resolution of this litigation or estimate a range of possible losses or a minimum loss that could result from an adverse verdict in a potential lawsuit.

John Melville et al v. Spark Energy Inc. and Spark Energy Gas, LLC is a purported class action filed on December 17, 2015 in the United States District Court for the District of New Jersey alleging, among other things, that (i) sales representatives engaged as independent contractors for Spark Energy Gas, LLC engaged in deceptive acts in violation of the New Jersey Consumer Fraud Act, (ii) Spark Energy Gas, LLC breach its contract with plaintiff, including a breach of the covenant of good faith and fair dealing. Plaintiffs are seeking unspecified compensatory and punitive damages for the purported class, injunctive relief and/or declaratory relief, disgorgement of revenues and/or profits and attorneys’ fees. On March 14, 2016, Spark Energy Gas, LLC and Spark Energy, Inc. filed a Motion to Dismiss this case. On April 18, 2016, Plaintiff filed his Opposition to the Motion to Dismiss. On April 25, 2016, Spark Energy, Inc. and Spark Energy Gas, LLC filed a Reply in support of their Motion to Dismiss. On November 15, 2016, the Court entered an order granting Spark Energy, Inc. and Spark Energy Gas, LLC’s Motion to Dismiss in Part and dismissed Plaintiff’s breach of covenant of good faith and fair dealing claim as well as Plaintiff’s unjust enrichment claim. On February 15, 2017, Plaintiffs filed an Amended Complaint to try to expand the class to a nation-wide class. The response to this Amended Complaint for Spark Energy, Inc. and Spark Energy Gas, LLC is due on March 15, 2017. Initial discovery has begun. We cannot predict the outcome or consequences of this case.

Halifax-American Energy Company, LLC et al v. Provider Power, LLC, Electricity N.H., LLC, Electricity Maine, LLC, Emile Clavet and Kevin Dean is a lawsuit initially filed on June 12, 2014 in the Rockingham County Superior Court, State of New Hampshire, alleging various claims related to the Provider Companies’ employment of a sales contractor formerly employed with one or more of the plaintiffs, including misappropriation of trade secrets and tortious interference with a contractual relationship. The dispute occurred prior to the Company's acquisition of the Provider Companies. Portions of the original claim proceeded to trial and on January 19, 2016, a jury found in favor of the plaintiff. Damages totaling approximately $0.6 million and attorney’s fees totaling approximately $0.3 million were awarded to the plaintiff. On May 4, 2016, following post-verdict motions, the defendants filed an appeal in the State of New Hampshire Supreme Court, appealing, among other things the failure of the trial court to direct a verdict for the defendants, to set aside the verdict, or grant judgment for the defendants, and the trial court's award of certain attorneys' fees. On August 1, 2016, in connection with the Company’s closing of the acquisition of the Provider Companies, the Provider Companies entered into a joint defense agreement with the remaining defendants. The Provider Companies have posted an appeal bond of $1.0 million in connection with the appeal. On November 2, 2016, a briefing order was distributed by the court. The Provider Companies filed their brief and appendix on December 30, 2016. The opposition brief is due March 1, 2017, and the Provider Companies will have the opportunity to submit a reply brief thereafter. As of December 31, 2016, the Company has accrued approximately $1.0 million in contingent liabilities related to this litigation. Initial damages and attorney's fees have been factored into the purchase price for the Provider Companies and the Company has full indemnity coverage and set-off rights against future price installments for any actual exposure in the appeal.

Katherine Veilleux and Jennifer Chon, individually and on behalf of all other similarly situated v. Electricity Maine. LLC, Provider Power, LLC, Spark Holdco, LLC, Kevin Dean and Emile Clavet is a purported class action lawsuit filed on November 18, 2016 in the United States District Court of Maine, alleging that Electricity Maine, LLC, an entity acquired by Spark Holdco, LLC in 2016, enrolled customers through fraudulent and misleading advertising and promotions. Plaintiffs allege the following claims against all Defendants: violation of the Maine Unfair Trade Practices Act, violation of RICO, negligence, negligent misrepresentation, fraudulent misrepresentation, unjust enrichment and breach of contract. Plaintiffs seek unspecified damages for themselves and the purported class, rescission of contracts with Electricity Maine, injunctive relief, restitution, and attorney’s fees. Defendants’ initial responsive pleading was filed on February 6, 2017. In early February, Spark HoldCo filed a motion to dismiss the claims for which a hearing is expected in the second quarter. Discovery has not yet commenced in this matter but we anticipate it will commence soon. We cannot predict the outcome or consequences of this case. Under the terms of the acquisition, we are indemnified for losses and expenses in connection with this action subject to certain limits.