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Fair Value Measurements
6 Months Ended
Jun. 30, 2016
Fair Value Disclosures [Abstract]  
Fair Value Measurements
7. Fair Value Measurement
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. A contingent payment arrangement related to the CenStar acquisition is categorized as Level 3.
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.
Assets and Liabilities Measured at Fair Value on a Recurring Basis
The following table presents assets and liabilities measured and recorded at fair value in the Company’s condensed 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
June 30, 2016
 

 

 

 
Non-trading commodity derivative assets
$
243


$
2,890


$


$
3,133

Trading commodity derivative assets


11




11

Total commodity derivative assets
$
243


$
2,901


$


$
3,144

Non-trading commodity derivative liabilities
$


$
(2,387
)

$


$
(2,387
)
Trading commodity derivative liabilities







Total commodity derivative liabilities
$


$
(2,387
)

$


$
(2,387
)
Contingent payment arrangement
$

 
$

 
$
(1,500
)
 
$
(1,500
)


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 six months ended June 30, 2016 and the year ended December 31, 2015.
The Company’s derivative contracts include exchange-traded contracts fair valued utilizing readily available quoted market prices and non-exchange-traded contracts 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 June 30, 2016 and December 31, 2015, the credit risk valuation adjustment was not material.
The contingent payment arrangement referred to above reflects the CenStar Earnout incurred in connection with the acquisition of CenStar and is recorded in other current liabilities in the condensed consolidated balance sheet. The CenStar Earnout is 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 is based on management's estimates of the liability, we classified the CenStar Earnout as a Level 3 measurement as of June 30, 2016. We anticipate payment of the CenStar Earnout within one year from the close of the performance measurement period, which ended in July 2016. The $1.0 million increase in our estimate of the CenStar Earnout for the six months ended June 30, 2016 was determined based on results of operations and was recorded as general and administrative expense in our condensed consolidated statements of operations.
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 condensed 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 condensed 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.