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Inventories | 12 Months Ended
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Dec. 31, 2022
Inventory Disclosure [Abstract] |
Inventories | Inventories The Company’s significant components of inventories at December 31, 2022 and 2021 were as follows (in thousands):
| December 31, 2022 |  | December 31, 2021
Raw materials and parts | $ | 94,182 |  |  | $ | 97,053 |
Work in process | 27,489 |  |  | 24,618 |
Finished goods | 187,448 |  |  | 182,954 |
Total Inventories | 309,119 |  |  | 304,625 |
Less: inventory reserve | (39,291) |  |  | (62,885) |
Inventories, net | $ | 269,828 |  |  | $ | 241,740 |
The changes in inventory reserve during the two-year period ended December 31, 2022 were as follows (in thousands):
Period ended | Balance at beginning of period |  | Charged to expense |  | Deductions or other |  | Balance at end of period
December 31, 2021 | $ | 144,942 |  |  | $ | 8,096 |  |  | $ | (90,153) |  |  | $ | 62,885 |
December 31, 2022 | 62,885 |  |  | 2,698 |  |  | (26,292) |  |  | 39,291 |

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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 https://asc.fasb.org/topic&trid=2126998 + Details
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