Inventories (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Inventory Disclosure [Abstract]
Raw material	$ 27,265	$ 24,681
Work in process	4,258	4,282
Finished goods	18,396	14,669
Total	$ 49,919	$ 43,632	[1]

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