Balance Sheet Details Inventory (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Balance Sheet Details [Abstract]
Inventory, Raw Materials, Net of Reserves	$ 39,022	$ 29,092
Inventory, Work in Process, Net of Reserves	18,918	20,424
Inventory, Finished Goods, Net of Reserves	13,550	13,828
Inventory, Net	71,490	63,344
Inventory Valuation Reserves	8,896	7,000
Inventory Write-down	3,676	3,910
Inventory Disposal	$ 1,780	$ 3,011