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INVENTORIES - Schedule of Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Inventory Disclosure [Abstract]    
Raw materials and components $ 174,915 $ 99,418
Finished goods 42,933 44,695
Work in progress 14,133 11,592
Used trailers 737 1,478
Aftermarket parts 4,903 6,567
Inventories $ 237,621 $ 163,750