Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Summary of Property, Plant and Equipment

Property, plant and equipment as of December 31, 2014 and 2013 are comprised of the following:

	December 31,
	2014			2013
Buildings and related structures	$	70,552		$	81,050
Machinery and equipment		269,031			269,840
Vehicles and others		24,812			22,397
		364,395			373,287
Less: accumulated depreciation		(157,341	)		(136,397	)
Land		16,712			17,407
Property, plant and equipment, net	$	223,766		$	254,297