Property Plant and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 90,520	$ 91,530
Accumulated depreciation	(55,099)	(50,980)
Property, plant and equipment, net	35,421	40,550
Land, Buildings and Improvements
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	38,384	48,154
Machinery and Equipment
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 52,136	$ 43,376