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Fair Value Measurements
12 Months Ended
Dec. 31, 2017
Fair Value Disclosures [Abstract]  
Fair Value Measurements

13. Fair Value Measurements

The Company uses a three-tier fair value hierarchy, which prioritizes the inputs used in measuring fair value. These tiers include: Level 1, defined as observable inputs such as quoted prices in active markets; Level 2, defined as inputs other than quoted prices in active markets that are either directly or indirectly observable; and Level 3, defined as unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions.

At December 31, 2017 and 2016, the Company held certain assets that are required to be measured at fair value on a recurring basis. These included investments held in connection with the Company’s non-qualified contributory deferred compensation plan.

These investments consist of money market and mutual funds traded in an active market. The Company determined the fair value of these assets based on the net asset value per unit of the funds or the portfolio, which is based upon quoted market prices in an active market. Therefore, the Company has categorized these investments as Level 1.

The Company has consistently applied these valuation techniques in all periods presented and believes it has obtained the most accurate information available for the types of instruments it holds.

The Company had no liabilities required to be measured at fair value at December 31, 2017 and December 31, 2016. The Company’s assets measured at fair value on a recurring basis at December 31, were as follows (in thousands):

 

     December 31,
2017
     Markets for
Identical Assets
(Level 1)
     Observable
Inputs
(Level 2)
     Unobservable
Inputs

(Level 3)
 

Deferred compensation plan investments

   $ 25,055      $ 25,055      $ —        $ —    
  

 

 

    

 

 

    

 

 

    

 

 

 

Total assets measured at fair value

   $ 25,055      $ 25,055      $ —        $ —    
  

 

 

    

 

 

    

 

 

    

 

 

 
     December 31,
2016
     Markets for
Identical Assets
(Level 1)
     Observable
Inputs
(Level 2)
     Unobservable
Inputs

(Level 3)
 

Deferred compensation plan investments

   $ 22,204      $ 22,204      $ —        $ —    
  

 

 

    

 

 

    

 

 

    

 

 

 

Total assets measured at fair value

   $ 22,204      $ 22,204      $ —        $ —    
  

 

 

    

 

 

    

 

 

    

 

 

 

The remainder of the assets and liabilities held by the Company at December 31, 2017 are not required to be measured at fair value, and the carrying value of these assets and liabilities approximates fair value.