Property, Plant and Equipment, Net

6 Months Ended

Jun. 30, 2016

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment, Net

PROPERTY, PLANT AND EQUIPMENT, NET

F5: Property, Plant and Equipment Details
	June 30, 2016			December 31, 2015
	(in thousands)
Land	$	12,927		$	12,925
Buildings	112,572			112,121
Plant machinery	273,395			272,613
Mobile equipment	5,815			3,837
Construction in progress	5,500			6,812
Property, plant and equipment, at cost	410,209			408,308
Accumulated depreciation	(98,087		)	(81,901		)
Total property, plant and equipment, net	$	312,122		$	326,407

Depreciation expense was $8.3 million and $16.7 million for the three and six months ended June 30, 2016, respectively, compared to $9.0 million and $17.8 million for the three and six months ended June 30, 2015, respectively.