Property, Plant and Equipment (Schedule of Property, Plant and Equipment) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 300,660	$ 291,109
Accumulated depreciation	(107,155)	(91,314)
Property, plant and equipment, net	193,505	199,795
Land and Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	7,377	7,088
Building [Member]
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	47,712	45,434
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	236,991	225,754
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 8,580	$ 12,833