Goodwill and Intangible Assets, Net - Goodwill (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($)
Goodwill [Line Items]
Balance at the beginning of the period	$ 30,739
FX effects	(139)
Balance at the end of the period	43,381
Ecolink
Goodwill [Line Items]
Goodwill acquired during the period	12,781	[1]
Balance at the end of the period	$ 12,781

[1] During the third quarter of 2015, we recognized $12.8 million of goodwill related to the Ecolink Intelligent Technology, Inc. acquisition. Please refer to Note 18 for further information about this acquisition.