Business Acquisition - Acquisition and Integration Expenses (Details) - TVN [Member] - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2016
Business Acquisition [Line Items]
Business Combination, Acquisition Related Costs	$ 534	$ 3,855
Business Combination, Integration Related Costs	4,734	7,912
Cost of Goods, Product Line [Member]
Business Acquisition [Line Items]
Business Combination, Acquisition Related Costs	0	0
Business Combination, Integration Related Costs	119	610
Research and Development Expense [Member]
Business Acquisition [Line Items]
Business Combination, Acquisition Related Costs	0	0
Business Combination, Integration Related Costs	152	702
Selling, General and Administrative Expenses [Member]
Business Acquisition [Line Items]
Business Combination, Acquisition Related Costs	534	3,855
Business Combination, Integration Related Costs	4,365	6,502
Operating Expense [Member]
Business Acquisition [Line Items]
Business Combination, Acquisition Related Costs	534	3,855
Business Combination, Integration Related Costs	4,636	7,814
Investment Income (Expense) [Member]
Business Acquisition [Line Items]
Business Combination, Acquisition Related Costs	0	0
Business Combination, Integration Related Costs	$ 98	$ 98