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Inventories
 6 Months Ended
Jun. 30, 2025
Inventory Disclosure [Abstract]  
Inventories Inventories
The major components of inventories were as follows:
June 30, 2025December 31, 2024
Crude oil$41,567 $20,381 
NaHS8,499 10,902 
Caustic soda8,118 6,499 
Total$58,184 $37,782 
Inventories are valued at the lower of cost or net realizable value. As of June 30, 2025 and December 31, 2024, the net realizable value of inventories was below cost by $0.2 million and $0.4 million, respectively, which triggered a reduction of the value of inventory in our Unaudited Condensed Consolidated Financial Statements by this amount.