Inventories (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Inventory Disclosure [Abstract]
Raw material	$ 28,940	$ 24,681
Work in process	4,834	4,282
Finished goods	17,179	14,669
Total	$ 50,953	$ 43,632	[1]

[1] December 31, 2015 balances were derived from audited consolidated financial statements.