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INVENTORIES AND SUPPLIES (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Inventory [Line Items] |  |
Inventories and supplies | $ 264,733 | $ 250,692
Oil and oil related products |  |
Inventory [Line Items] |  |
Inventories and supplies | 105,011 | 101,965
Supplies |  |
Inventory [Line Items] |  |
Inventories and supplies | 136,031 | 126,602
Solvent and solutions |  |
Inventory [Line Items] |  |
Inventories and supplies | 9,141 | 8,099
Other |  |
Inventory [Line Items] |  |
Inventories and supplies | $ 14,550 | $ 14,026

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