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Fair Value Measurements
3 Months Ended
Mar. 31, 2017
Fair Value Disclosures [Abstract]  
Fair Value Measurements
Fair Value Measurements
We account for certain assets and liabilities at fair value, and categorize each of our fair value measurements in one of the following three levels based on the lowest level input that is significant to the fair value measurement in its entirety:
Level 1 - Quoted prices for identical instruments in active markets;
Level 2 - Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments
in markets that are not active; and model-derived valuations in which all significant inputs are observable in active
markets; and
Level 3 - Valuations based on inputs that are unobservable, generally utilizing pricing models or other valuation
techniques that reflect management’s judgment and estimates.

Assets and Liabilities Measured at Fair Value
As of March 31, 2017 and December 31, 2016, our assets and liabilities measured at fair value include our derivative instruments and the liability related to our cash settled performance-based restricted stock units.
Fair Value of Financial Instruments
The carrying values of the following financial instruments approximated their fair values as of March 31, 2017 and December 31, 2016: cash, accounts receivable, accounts payable and accrued expenses. Fair values approximate carrying values for these financial instruments since they are short-term in nature or are receivable or payable on demand. For information regarding the estimated fair value of the Company's derivative instruments and debt, refer to Note 5—Derivative Instruments and Note 6—Debt, respectively.