PROPERTY, PLANT AND EQUIPMENT (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Abstract]
Gross property, plant and equipment	$ 416,240	$ 408,219
Less: accumulated depreciation	175,821	170,702
Property, plant and equipment, net	240,419	237,517
Land
Property, Plant and Equipment [Abstract]
Gross property, plant and equipment	11,570	11,692
Building
Property, Plant and Equipment [Abstract]
Gross property, plant and equipment	90,015	89,602
Equipment
Property, Plant and Equipment [Abstract]
Gross property, plant and equipment	258,758	253,995
Construction in progress
Property, Plant and Equipment [Abstract]
Gross property, plant and equipment	$ 55,897	$ 52,930

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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