PROPERTY, PLANT AND EQUIPMENT, NET (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 288,594		$ 288,594		$ 271,651
Accumulated depreciation and amortization	(74,862)		(74,862)		(60,994)
Net property, plant and equipment	213,732		213,732		210,657
Depreciation [Abstract]
Depreciation	7,018	5,676	13,931	11,411
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	11,999		11,999		12,002
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	60,063		60,063		58,417
Machinery, equipment and other
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	207,372		207,372		192,617
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 9,160		$ 9,160		$ 8,615