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Goodwill and Intangible Assets, Net - Schedule of Changes in Gross Carrying Amount of Goodwill (Details)
$ in Thousands
6 Months Ended
Jun. 30, 2019
USD ($)
Goodwill And Intangible Assets Disclosure [Abstract]  
Goodwill, beginning balance $ 48,382
Foreign currency translation 166
Increase due to acquisitions 2,918
Goodwill, ending balance $ 51,466