Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2013

Property, Plant and Equipment [Abstract]

Summary of Property, Plant and Equipment

Property, plant and equipment as of December 31, 2013, 2012 and 2011 are comprised of the following:

	December 31,
	2013			2012 (As Restated)			2011 (As Restated)
Buildings and related structures	$	81,050		$	79,658		$	73,021
Machinery and equipment		269,840			232,888			151,100
Vehicles and others		22,397			17,330			11,998
Equipment under capital lease		—			—			11,160
		373,287			329,876			247,279
Less: accumulated depreciation		(136,397	)		(109,635	)		(78,130	)
accumulated depreciation on equipment under capital lease		—			—			(2,414	)
Land		17,407			17,151			15,928
Property, plant and equipment, net	$	254,297		$	237,392		$	182,663