Inventories, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Lime and limestone inventories:
Raw materials	$ 5,265	$ 6,627
Finished goods	1,473	2,049
Total	6,738	8,676
Service parts inventories	5,975	6,052
Total inventories	$ 12,713	$ 14,728

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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