Business Acquisitions - Schedule of Acquired Intangible Assets (Details) - 6 months ended Jun. 30, 2015 - Octoshape [Member] - USD ($) $ in Thousands	Total
Business Acquisition [Line Items]
Gross carrying amount	$ 41,950
Completed technology
Business Acquisition [Line Items]
Gross carrying amount	$ 25,310
Weighted average useful life	9 years 9 months
Customer-related intangible assets
Business Acquisition [Line Items]
Gross carrying amount	$ 16,560
Weighted average useful life	11 years 9 months
Non-compete agreements
Business Acquisition [Line Items]
Gross carrying amount	$ 80
Weighted average useful life	2 years