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INVENTORIES - Summary of Inventories (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Inventories [Abstract]    
Work in progress, net $ 996,000 $ 916,000
Raw materials and supplies, net 189,000 205,000
Total 1,185,000 $ 1,121,000
Elimination of reserve upon sale of inventory $ (12,000)