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Goodwill
6 Months Ended
Jun. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill
Goodwill
The following table sets forth the activity in goodwill from December 31, 2017 through June 30, 2018 (in thousands):
 
Goodwill
Balance as of December 31, 2017
$
210,885

Foreign currency translation adjustments
(498
)
Balance as of June 30, 2018
$
210,387


The Company completed its annual goodwill impairment analysis as of June 30, 2018, and determined that no adjustment to the carrying value of goodwill was required.