PROPERTY, PLANT AND EQUIPMENT, NET - Additional Information (Details) - USD ($) $ in Thousands		12 Months Ended
	Jun. 16, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Property, plant and equipment acquired		$ 241,300	$ 152,300
Depreciation expense		$ 22,744	$ 15,181	$ 12,726
Hannibal
Property, Plant and Equipment [Line Items]
Property, plant and equipment acquired	$ 30,000
Acquisition costs	$ 2,300