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Fair Value Measurements | 12 Months Ended
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Dec. 31, 2016
Fair Value Disclosures [Abstract] |
Fair Value Measurements | Fair Value Measurements Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability (exit price) in an orderly transaction between market participants at the measurement date. Fair values are based on assumptions that market participants would use when pricing an asset or liability, including assumptions about risk and the risks inherent in valuation techniques and the inputs to valuations. This includes not only the credit standing of counterparties involved and the impact of credit enhancements but also the impact of the Company’s own nonperformance risk on its liabilities. The Company applies fair value measurements to its commodity derivative instruments and a contingent payment arrangement based on the following fair value hierarchy, which prioritizes the inputs to valuation techniques used to measure fair value into three broad levels:
• | Level 1—Quoted prices in active markets for identical assets and liabilities. Instruments categorized in Level 1 primarily consist of financial instruments such as exchange-traded derivative instruments.
• | Level 2—Inputs other than quoted prices recorded in Level 1 that are either directly or indirectly observable for the asset or liability, including quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in inactive markets, inputs other than quoted prices that are observable for the asset or liability, and inputs that are derived from observable market data by correlation or other means. Instruments categorized in Level 2 primarily include non-exchange traded derivatives such as over-the-counter commodity forwards and swaps and options.
• | Level 3—Unobservable inputs for the asset or liability, including situations where there is little, if any, observable market activity for the asset or liability. The Level 3 category includes estimated earnout obligations related to the Company's acquisitions.
As the fair value hierarchy gives the highest priority to quoted prices in active markets (Level 1) and the lowest priority to unobservable data (Level 3), the Company maximizes the use of observable inputs and minimizes the use of unobservable inputs when measuring fair value. In some cases, the inputs used to measure fair value might fall in different levels of the fair value hierarchy. In these cases, the lowest level input that is significant to a fair value measurement in its entirety determines the applicable level in the fair value hierarchy. Non-Derivative Financial Instruments The carrying amount of cash and cash equivalents, accounts receivable, accounts receivable—affiliates, accounts payable, accounts payable—affiliates, and accrued liabilities recorded in the consolidated balance sheets approximate fair value due to the short-term nature of these items. The carrying amount of long-term debt recorded in the consolidated balance sheets approximates fair value because of the variable rate nature of the Company’s long-term debt. The fair value of our convertible subordinated notes to affiliates is not determinable for accounting purposes due to the affiliate nature and terms of this instrument with the affiliate. The fair value of the payable pursuant to tax receivable agreement—affiliate is not determinable for accounting purposes due to the affiliate nature and terms of the associated agreement with the affiliate. Assets and Liabilities Measured at Fair Value on a Recurring Basis The following tables present assets and liabilities measured and recorded at fair value in the Company’s combined and consolidated balance sheets on a recurring basis by and their level within the fair value hierarchy as of (in thousands):
| Level 1 |  | Level 2 |  | Level 3 |  | Total
December 31, 2016 |  |  |  |  |  |  |
Non-trading commodity derivative assets | $ | 1,511 |  |  | $ | 9,385 |  |  | $ | — |  |  | $ | 10,896 |
Trading commodity derivative assets | 101 |  |  | 430 |  |  | — |  |  | 531 |
Total commodity derivative assets | $ | 1,612 |  |  | $ | 9,815 |  |  | $ | — |  |  | $ | 11,427 |
Non-trading commodity derivative liabilities | $ | — |  |  | $ | (661 | ) |  | $ | — |  |  | $ | (661 | )
Trading commodity derivative liabilities | — |  |  | (87 | ) |  | — |  |  | (87 | )
Total commodity derivative liabilities | $ | — |  |  | $ | (748 | ) |  | $ | — |  |  | $ | (748 | )
Contingent payment arrangement | $ | — |  |  | $ | — |  |  | $ | (22,652 | ) |  | $ | (22,652 | )
| Level 1 |  | Level 2 |  | Level 3 |  | Total
December 31, 2015 |  |  |  |  |  |  |
Non-trading commodity derivative assets | $ | — |  |  | $ | 200 |  |  | $ | — |  |  | $ | 200 |
Trading commodity derivative assets | — |  |  | 405 |  |  | — |  |  | 405 |
Total commodity derivative assets | $ | — |  |  | $ | 605 |  |  | $ | — |  |  | $ | 605 |
Non-trading commodity derivative liabilities | $ | (3,324 | ) |  | $ | (7,661 | ) |  | $ | — |  |  | $ | (10,985 | )
Trading commodity derivative liabilities | — |  |  | (253 | ) |  | — |  |  | (253 | )
Total commodity derivative liabilities | $ | (3,324 | ) |  | $ | (7,914 | ) |  | $ | — |  |  | $ | (11,238 | )
Contingent payment arrangement | $ | — |  |  | $ | — |  |  | $ | (500 | ) |  | $ | (500 | )
The Company had no transfers of assets or liabilities between any of the above levels during the years ended December 31, 2016, 2015 and 2014. The Company’s derivative contracts include exchange-traded contracts fair valued utilizing readily available quoted market prices and non-exch ange-traded contra cts fair valued using market price quotations available through brokers or over-the-counter and on-line exchanges. In addition, in determining the fair value of the Company’s derivative contracts, the Company applies a credit risk valuation adjustment to reflect credit risk which is calculated based on the Company’s or the counterparty’s historical credit risks. As of December 31, 2016 and 2015, the credit risk valuation adjustment was not material. The contingent payment arrangements referred to above reflect estimated earnout obligations incurred in relation to the Company's acquisitions. As of December 31, 2016, the estimated earnout obligations were $22.7 million, which was comprised of the Provider Earnout, the Major Earnout and the Stock Earnout in the amount of $4.9 million, $17.1 million, and $0.7 million, respectively. As of December 31, 2015, the estimated earnout obligations were attributed to the CenStar acquisition (the "CenStar Earnout") in the amount of $0.5 million, which was settled by December 31, 2016. As of December 31, 2016, the estimated earnout reside on our consolidated balance sheets in current liabilities - contingent consideration and long-term liabilities - contingent consideration in the amount of $11.8 million and $8.4 million, respectively; and as of December 31, 2015, in current liabilities - contingent consideration in the amount of $0.5 million. The CenStar, Provider, and Major Earnouts are recorded in other current liabilities in the consolidated balance sheet and discussed in Note 3 "Acquisitions." The CenStar Earnout was based on a financial measurement attributable to the operations of CenStar for the year following the closing of the acquisition. In determining the fair value of the CenStar Earnout, the Company forecasted a one year performance measurement, as defined by the CenStar stock purchase agreement. As this calculation was based on management's estimates of the liability, we had classified the CenStar Earnout as a Level 3 measurement. During the first quarter of 2016, our estimate of the CenStar Earnout was increased to $1.5 million, which was based on the results of operations during such period. In August 2016, we entered into a settlement and release agreement with the seller of CenStar in which the Company paid $1.3 million to such seller and released an additional $0.6 million from escrow in full satisfaction of the earnout obligation under the CenStar stock purchase agreement. During the year ended December 31, 2016, the remaining estimated earnout liability of $0.2 million was written off via a reduction to general and administrative expense in our consolidated statements of operations. The Provider Earnout is based on achievement by the Provider Companies of a certain customer count criteria over the nine month period following the closing of the Provider Companies acquisition. The sellers of the Provider Companies are entitled to a maximum of $9.0 million and a minimum of $5.0 million in earnout payments based on the level of customer count attained, as defined by the Provider Companies membership interest purchase agreement. During the period from August 1, 2016 (acquisition date) through December 31, 2016, the Company recorded accretion of $0.1 million to reflect the impact of the time value of the liability. The Company has revalued the liability at December 31, 2016 with no expected change of the earnout payments. In determining the fair value of the Provider Earnout, the Company forecasted an expected customer count and certain other related criteria and calculated the probability of such forecast being attained. As this calculation is based on management's estimates of the liability, we classified the Provider Earnout as a Level 3 measurement. The Major Earnout is based on the achievement by the Major Energy Companies of certain performance targets over the 33 month period following NG&E's closing of the Major Energy Companies acquisition (i.e., April 15, 2016). The previous members of Major Energy Companies are entitled to a maximum of $20.0 million in earnout payments based on the level of performance targets attained, as defined by the Major Purchase Agreement. The Stock Earnout obligation is contingent upon the Major Energy Companies achieving the Major Earnout's performance target ceiling, thereby earning the maximum Major Earnout payments. If the Major Energy Companies earn such maximum Major Earnout payments, NG&E would be entitled to a maximum of 200,000 shares of Class B common stock (and a corresponding number of Spark HoldCo units). In determining the fair value of the Major Earnout and the Stock Earnout, the Company forecasted certain expected performance targets and calculated the probability of such forecast being attained. During the period from April 15, 2016 (NG&E acquisition date) through December 31, 2016, the Company recorded accretion of $5.0 million to reflect the impact of the time value of the liability. The Company revalued the liability at December 31, 2016, resulting in the write-down of the fair value of the liability to $17.8 million. The impact of the $1.1 million decrease in fair value is recorded in general and administrative expenses. As this calculation is based on management's estimates of the liability, we classified the Major Earnout as a Level 3 measurement. The following tables present reconciliations of liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) for the years ended December 31, 2016 and 2015, respectively.
| CenStar Earnout |  | Major Earnout and Stock Earnout |  | Provider Earnout |  | Total
December 31, 2014 | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Purchase price contingent consideration | 500 |  |  | — |  |  | — |  |  | 500 |
Fair value at December 31, 2015 | $ | 500 |  |  | $ | — |  |  | $ | — |  |  | $ | 500 |
Purchase price contingent consideration | $ | — |  |  | $ | 13,910 |  |  | $ | 4,823 |  |  | $ | 18,733 |
Change in fair value of contingent consideration, net | 843 |  |  | (1,140 | ) |  | — |  |  | (297 | )
Accretion of contingent earnout consideration (included within interest expense) | — |  |  | 4,990 |  |  | 69 |  |  | 5,059 |
Settlements (1) | (1,343 | ) |  | — |  |  | — |  |  | (1,343 | )
Fair value at December 31, 2016 | $ | — |  |  | $ | 17,760 |  |  | $ | 4,892 |  |  | $ | 22,652 |
(1) Settlements include pay downs at maturity Other Financial Instruments The carrying amount of cash and cash equivalents, accounts receivable, accounts receivable—affiliates, accounts payable, accounts payable—affiliates, and accrued liabilities recorded in the consolidated balance sheets approximate fair value due to the short-term nature of these items. The carrying amount of the Senior Credit Facility recorded in the consolidated balance sheets approximates fair value because of the variable rate nature of the Company’s line of credit. The fair value of our convertible subordinated notes to affiliates is not determinable for accounting purposes due to the affiliate nature and terms of the associated debt instrument with the affiliate. The fair value of the payable pursuant to tax receivable agreement—affiliate is not determinable for accounting purposes due to the affiliate nature and terms of the associated agreement with the affiliate.

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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14064-108612 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13537-108611 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13504-108611 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13433-108611 + Details
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