Acquisition - Fair Value of Acquired Intangible Assets (Details) - Maxxton Holding B.V. (“MHB”) [Member] $ in Thousands	Aug. 11, 2015 USD ($)
Business Acquisition [Line Items]
Estimated fair value of intangible assets	$ 20,936
Customer contracts
Business Acquisition [Line Items]
Estimated fair value of intangible assets	5,165
Trademarks
Business Acquisition [Line Items]
Estimated fair value of intangible assets	$ 440
Estimated useful lives of acquired intangible assets	8 years
Developed technology
Business Acquisition [Line Items]
Estimated fair value of intangible assets	$ 1,649
Estimated useful lives of acquired intangible assets	6 years
Goodwill
Business Acquisition [Line Items]
Estimated fair value of intangible assets	$ 13,682
Minimum [Member] | Customer contracts
Business Acquisition [Line Items]
Estimated useful lives of acquired intangible assets	5 years
Maximum [Member] | Customer contracts
Business Acquisition [Line Items]
Estimated useful lives of acquired intangible assets	12 years