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Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2015
Accounting Policies [Abstract]  
Interest Cost Capitalized and Incurred

Interest cost capitalized and incurred in the years ended December 31, 2015, 2014, and 2013 are as follows:

 

     Year Ended December 31,  
     2015      2014      2013  

Interest incurred

    $ 1,962       $ 2,180       $ 2,626   

Interest capitalized

      714         379         382   
  

 

 

     

 

 

     

 

 

  

Interest expense

    $ 1,248       $ 1,801       $ 2,244