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PROPERTY AND EQUIPMENT, NET (Tables) | 12 Months Ended
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Dec. 31, 2023
PROPERTY AND EQUIPMENT, NET |
Schedule of property and equipment, net | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Estimated Useful | ​ | December 31, | ​ | December 31,
​ |  | Life (in years) |  | 2023 |  | 2022
Buildings, machinery, and equipment | ​ | 5 to 25 | ​ | $ | 191,744 | ​ | $ | 165,673
Software | ​ | 3 to 5 | ​ | ​ | 24,526 | ​ | ​ | 21,120
Computer equipment, furniture, fixtures, and vehicles | ​ | 3 to 5 | ​ |  | 19,281 | ​ |  | 15,161
Leasehold improvements | ​ | 2 to 10 | ​ |  | 79,764 | ​ |  | 63,103
Capital projects in process | ​ | ​ | ​ |  | 21,721 | ​ |  | 18,226
​ | ​ | ​ | ​ |  | 337,036 | ​ |  | 283,283
Less: Accumulated depreciation | ​ | ​ | ​ |  | (169,371) | ​ |  | (134,821)
Property and equipment, net | ​ | ​ | ​ | $ | 167,665 | ​ | $ | 148,462
Schedule of property and equipment by geographic area | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
​ |  | 2023 |  | 2022
United States | ​ | $ | 63,222 | ​ | $ | 43,963
Asia | ​ | ​ | 96,045 | ​ | ​ | 98,684
Europe and other | ​ | ​ | 8,398 | ​ | ​ | 5,815
Total | ​ | $ | 167,665 | ​ | $ | 148,462
Schedule of depreciation expense recorded in continuing operations | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | Years Ended December 31,
​ |  | ​ | 2023 |  | 2022 |  | 2021
Depreciation expense | ​ | ​ | $ | 38,279 | ​ | $ | 34,182 | ​ | $ | 30,833
​

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 360 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482099/360-10-50-1 + Details
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- Definition Tabular disclosure of the names of foreign countries in which material long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets are located, and amount of such long-lived assets located in that country or foreign geographic area. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-41 + Details
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