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Goodwill and Intangible Assets (Tables)
 6 Months Ended
Jun. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]  
Summary of Goodwill Activity

The following table summarizes the goodwill activity during the period:

 

     U.S. Business
Reporting Unit		  

Balance at April 1, 2017

    $ 1,799  

Increases/(decreases)

      —    
  

 

 

  

Balance at June 30, 2017

    $ 1,799  
  

 

 

  
Summary of Indefinite-lived Intangible Asset
     Total  

Balance at April 1, 2017

    $ 9,953  

Increases/(decreases)

      —    
  

 

 

  

Balance at June 30, 2017

    $ 9,953