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Inventories - Schedule of Inventories (Detail) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Inventory [Line Items] |  |
Total inventory | $ 15,024 | $ 19,136
Sand sales revenue |  |
Inventory [Line Items] |  |
Raw material | 293 | 428
Work in progress | 3,082 | 10,465
Finished goods | 7,269 | 4,400
Spare parts | 4,380 | 3,843
Total inventory | $ 15,024 | $ 19,136

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