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INVENTORIES AND SUPPLIES
 12 Months Ended
Dec. 31, 2024
Inventory Disclosure [Abstract]  
INVENTORIES AND SUPPLIES INVENTORIES AND SUPPLIES
Inventories and supplies consisted of the following (in thousands):
December 31, 2024December 31, 2023
Supplies$200,905 $177,217 
Oil and oil related products152,992 118,600 
Solvent and solutions12,458 11,795 
Other18,302 19,899 
Total inventories and supplies$384,657 $327,511 
Supplies inventories consist primarily of critical spare parts to support the Company’s incinerator and re-refinery operations and other general supplies used in our normal day-to-day operations. The balance of oil and oil related products has increased due to higher volumes of oil inventory on hand at December 31, 2024 when compared with December 31, 2023 and overall price increases for the oil inventory. Other inventories consist primarily of parts washer components, cleaning fluids, absorbents and automotive fluids, such as windshield washer fluid and antifreeze.