Inventories, Net and Significant Supplier(s) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014	Dec. 31, 2013
Inventory Disclosure [Abstract]
Raw materials	$ 33,635	$ 24,763
Components	14,098	16,170
Work in process	8,416	2,622
Finished goods	55,870	56,458
Reserve for excess and obsolete inventory	(2,898)	(2,539)	$ (2,090)	$ (2,714)
Inventories, net	$ 109,121	$ 97,474