Inventories (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Lime and limestone inventories:
Raw materials	$ 5,972	$ 8,947
Finished goods	2,387	3,000
Total	8,359	11,947
Parts inventories	17,236	15,739
Total inventories	$ 25,595	$ 27,686

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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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.

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