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Inventories (Tables)
6 Months Ended
Jun. 30, 2022
Inventory Disclosure [Abstract]  
Schedule of Major Components of Inventories
The major components of inventories were as follows:
June 30,
2022
December 31, 2021
Petroleum products$— $998 
Crude oil20,767 11,834 
Caustic soda10,031 5,690 
NaHS20,232 17,040 
Raw materials - Alkali operations6,948 7,599 
Work-in-process - Alkali operations7,010 7,496 
Finished goods, net - Alkali operations12,633 13,681 
Materials and supplies, net - Alkali operations14,213 13,620 
Total$91,834 $77,958