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Inventory | 9 Months Ended
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Sep. 30, 2021
Inventory Disclosure [Abstract] |
Inventory | 7. INVENTORY Inventory consisted of the following:
|  | As of |  |  | As of |
(In thousands) |  | September 30, 2021 |  |  | December 31, 2020 |
Raw materials |  | $ | 66,777 |  |  | $ | 47,026 |
Work in process |  |  | 1,202 |  |  |  | 776 |
Finished goods |  |  | 59,262 |  |  |  | 77,655 |
Total inventory, net |  | $ | 127,241 |  |  | $ | 125,457 |
Inventory reserves are established for estimated excess and obsolete inventory equal to the difference between the cost of the inventory and the estimated net realizable value of the inventory based on estimated reserve percentages, which considers historical usage, known trends, inventory age and market conditions. As of September 30, 2021 and December 31, 2020, inventory reserves were $44.3 million and $39.6 million, respectively.

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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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