GOODWILL & INTANGIBLE ASSETS - Goodwill (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2021 |
Dec. 31, 2020 |
|
| GOODWILL & INTANGIBLE ASSETS | ||
| Goodwill, Beginning Balance | $ 2,252 | |
| Acquisition of EnvisionTEC | 199,056 | |
| Goodwill, Ending Balance | 201,308 | |
| Accumulated impairment losses | $ 0 | $ 0 |
| X | ||||||||||
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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