Property, Plant and Equipment, Net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 315,338		$ 315,338		$ 262,359
Accumulated depreciation and amortization	(90,287)		(90,287)		(78,045)
Property, plant and equipment, net	225,051		225,051		184,314
Depreciation [Abstract]
Depreciation	6,853	$ 6,190	13,178	$ 12,282
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	21,105		21,105		9,523
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	60,807		60,807		53,742
Machinery, equipment and other
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	217,727		217,727		194,356
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 15,699		$ 15,699		$ 4,738