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Inventories | 3 Months Ended
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Mar. 31, 2021
Inventory Disclosure [Abstract] |
Inventories | INVENTORIES Components of inventories as of March 31, 2021 and December 31, 2020 are as follows:
| March 31, 2021 |  | December 31, 2020
| (In Thousands)
Finished goods | $ | 64,484 |  |  | $ | 68,121 |
Raw materials | 3,288 |  |  | 2,910 |
Parts and supplies | 5,018 |  |  | 4,001 |
Work in progress | 1,670 |  |  | 1,626 |
Total inventories | $ | 74,460 |  |  | $ | 76,658 |
Finished goods inventories include newly manufactured clear brine fluids as well as used brines that are repurchased from certain customers for recycling

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI http://asc.fasb.org/topic&trid=2126998 + Details
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