Business Acquisition - Acquisition and Integration Expenses (Details) - TVN [Member] $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($)
Business Acquisition [Line Items]
Business Combination, Integration Related Costs	$ 13,081
Business Combination, Acquisition Related Costs	3,855
Cost of Goods, Product Line [Member]
Business Acquisition [Line Items]
Business Combination, Integration Related Costs	1,049
Business Combination, Acquisition Related Costs	0
Research and Development Expense [Member]
Business Acquisition [Line Items]
Business Combination, Integration Related Costs	974
Business Combination, Acquisition Related Costs	0
Selling, General and Administrative Expenses [Member]
Business Acquisition [Line Items]
Business Combination, Integration Related Costs	11,058
Business Combination, Acquisition Related Costs	$ 3,855