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Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2018
Fair Value Disclosures [Abstract]  
Summary of Fair Value and Carrying Amounts of Long Term Debt

The following table summarizes the fair value and carrying amounts of our long-term debt:

 

    September 30, 2018     December 31, 2017  
Fair Value     236,219       240,057  
Carrying Value     219,920       220,998