Inventories, Net and Significant Supplier(s) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2013
Inventory Disclosure [Abstract]
Raw materials	$ 29,472	$ 24,763
Components	14,483	16,170
Work in process	4,667	2,622
Finished goods	66,952	56,458
Reserve for excess and obsolete inventory	(2,576)	(2,539)	$ (2,265)	$ (2,714)
Inventories, net	$ 112,998	$ 97,474