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Accumulated Other Comprehensive Income (Loss) (Tables)
12 Months Ended
Dec. 31, 2017
Changes in Accumulated Other Comprehensive Income (Loss)

Changes in accumulated other comprehensive income (loss) consisted of the following for the years ended December 31, 2017 and 2016 (in thousands):

 

    Unrealized gain (loss)
on investments
    Foreign currency
translation adjustment
    Total  

Balance as of December 31, 2015

  $ (11   $ (8,555   $ (8,566

Other comprehensive income (loss)

    6       (5,189     (5,183
 

 

 

   

 

 

   

 

 

 

Balance as of December 31, 2016

    (5     (13,744     (13,749

Other comprehensive income (loss)

    5       7,381       7,386  
 

 

 

   

 

 

   

 

 

 

Balance as of December 31, 2017

  $ —       $ (6,363   $ (6,363