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Inventories (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Lime and limestone inventories:
Raw materials	$ 7,579	$ 8,947
Finished goods	2,779	3,000
Total	10,358	11,947
Parts inventories	18,323	15,739
Total inventories	$ 28,681	$ 27,686

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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