OTHER NONCURRENT ASSETS - Components of other noncurrent assets (Details) - USD ($) $ in Thousands |
Mar. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|---|---|---|---|
| OTHER NONCURRENT ASSETS | |||
| Other investments | $ 3,025 | $ 3,000 | |
| Right-of-use asset | 3,702 | 1,810 | $ 2,289 |
| Long-term deposits | 99 | 69 | |
| Total other noncurrent assets | $ 6,826 | $ 4,879 | $ 2,289 |
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- Definition Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment after one year or beyond the operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of noncurrent assets classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amount of long-term investments classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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