INVENTORIES - Composition of Inventories (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Disclosure of inventories [Abstract]
Raw materials	$ 91,232	$ 61,051
Work in process	62,128	38,850
Finished goods	103,329	72,535
Parts and supplies	23,634	22,080
Current inventories	$ 280,323	$ 194,516

A classification of current inventory representing the amount of goods that have completed the production process and are held for sale in the ordinary course of business. [Refer: Inventories]

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The amount of current inventories. [Refer: Inventories]

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A classification of current inventory representing the amount of assets to be consumed in the production process or in the rendering of services. [Refer: Inventories]

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A classification of current inventory representing the amount of interchangeable parts that are kept in an inventory and are used for the repair or replacement of failed parts. [Refer: Inventories]

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A classification of current inventory representing the amount of assets currently in production, which require further processes to be converted into finished goods or services. [Refer: Current finished goods; Inventories]

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Disclosure of inventories [Abstract]

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