Consolidated Financial Statement Details (Components of Other Expense, Net) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Interest income	$ 224	$ 8	$ 463	$ 23
Loss on sale of business	0	0	0	(1,976)
Other (expense) income, net	(239)	184	(648)	584
Other (expense) income, net	$ (15)	$ 192	$ (185)	$ (1,369)