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Inventories | 12 Months Ended
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Dec. 31, 2021
Inventory Disclosure [Abstract] |
Inventories | INVENTORIES Inventories at December 31 consisted of the following (in thousands):
| 2021 |  | 2020
Raw material | $ | 135,558 |  |  | $ | 66,018 |
Work-in-process | 5,858 |  |  | 5,382 |
Finished goods | 39,256 |  |  | 31,205 |
Gross inventory | $ | 180,672 |  |  | $ | 102,605 |
Less reserves | (4,465) |  |  | (4,298) |
Total inventories | $ | 176,207 |  |  | $ | 98,307 |
The Company's gross inventory balances are reduced by reserves for excess, obsolete and slow moving inventory and estimates for determining net realizable value of the inventory that are reported on a net basis on the Company's consolidated balance sheet. The increase in the Company's total inventories balance as of December 31, 2021 from December 31, 2020 was largely the result of higher input costs, including raw material costs and in-bound freight, as compared to prior year, along with higher levels of inventory carried to accommodate for supply chain challenges in procuring adequate inventory to meet customer needs. The following table summarizes activity recorded within the reserve for excess, obsolete and slow moving inventory for the years ended December 31 (in thousands):
| 2021 |  | 2020 |  | 2019
Beginning balance | $ | 4,161 |  |  | $ | 3,463 |  |  | $ | 2,971 |
Excess, obsolete and slow moving inventory expense | 215 |  |  | 355 |  |  | 1,134 |
Scrapped inventory and other adjustments | 24 |  |  | 343 |  |  | (642) |
Ending balance | $ | 4,400 |  |  | $ | 4,161 |  |  | $ | 3,463 |

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- References No definition available. + Details
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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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