Property, Plant and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2017

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment Details

Table 5: Details of Property, Plant and Equipment, Net
	As of December 31,
	2017			2016
	(in thousands)
Land	$	13,187		$	12,925
Buildings	114,051			112,583
Plant machinery	281,786			275,010
Mobile equipment	10,366			6,721
Construction in progress	20,291			15,016
Property, plant and equipment, at cost	439,681			422,255
Accumulated depreciation	(145,678		)	(114,417		)
Property, plant and equipment, net	$	294,003		$	307,838