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Fair Value Measurements
6 Months Ended
Jun. 30, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Fair Value Measurements
6. Fair Value Measurements

Fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset and liability in an orderly transaction between market participants at the measurement date. We estimate the fair value of our assets and liabilities utilizing an established three-level hierarchy. The hierarchy is based upon the transparency of inputs to the valuation of an asset or liability as of the measurement date as follows:


  Level 1: Quoted prices in active markets for identical assets or liabilities.
     
  Level 2: Observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities, quoted prices in markets with insufficient volume or infrequent transactions (less active markets), or model-derived valuations in which all significant inputs are observable or can be derived principally from or corroborated with observable market data for substantially the full term of the assets or liabilities. Level 2 inputs also include non-binding market consensus prices that can be corroborated with observable market data, as well as quoted prices that were adjusted for security-specific restrictions.
     
  Level 3: Unobservable inputs that are supported by little or no market activity that are significant to the fair value of the asset or liability. Level 3 inputs also include non-binding market consensus prices or non-binding broker quotes that are unable to be corroborated with observable market data.

The fair value of our financial assets and liabilities is determined by reference to market data and other valuation techniques as appropriate. We believe the fair value of our financial instruments approximates their recorded values.


For each period, derivative financial instrument assets and liabilities measured at fair value on a recurring basis are included in the financial statements as per the table below.


        June 30,     December 31,  
    Level   2020     2019  
        (in millions)  
Derivative liability (see Note 5)   2   $ 2.1     $  
Long term receivable (included in other assets)   2   $ 1.3     $ 1.5  

Level 3 liabilities are valued using unobservable inputs to the valuation methodology that are significant to the measurement of the fair value of the derivative liabilities. For fair value measurements categorized within Level 3 of the fair value hierarchy, the Company’s principal financial officer, who reports to the principal executive officer, determines its valuation policies and procedures. The development and determination of the unobservable inputs for Level 3 fair value measurements and fair value calculations are the responsibility of the Company’s Principal Financial Officer and approved by the Principal Executive Officer.


At June 30, 2020 and December 31, 2019, there were no transfers in or out of Level 3 from other levels in the fair value hierarchy.