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Fair Value Disclosures (Tables)
 12 Months Ended
Dec. 31, 2018
Fair Value Disclosures [Abstract]  
Summary of Carrying Amount and Fair Value of Fixed and Floating Rate Debt The following table summarizes the fair value of fixed and floating rate debt and the corresponding carrying value of fixed and floating rate debt as of:

 

 

December 31,

2018

 

 

December 31,

2017

 

Carrying amount

 

$

18,930

 

 

$

39,393

 

Fair value

 

$

18,608

 

 

$

38,899