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Inventories (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Lime and limestone inventories:    
Raw materials $ 8,998 $ 7,834
Finished goods 3,347 3,107
Total 12,345 10,941
Parts inventories 13,379 13,372
Total inventories $ 25,724 $ 24,313