OTHER NONCURRENT ASSETS - Change in the balance of other investments (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
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| OTHER NONCURRENT ASSETS | ||
| Ending balance | $ 3,000,000 | |
| Percentage of annual interest rate due in two years | 3.00% | |
| Change in fair value, net | $ 3,000,000.0 | $ 0 |
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- Definition The amount of increase (decrease) in fair value of other investments. No definition available.
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- Definition Percentage of annual interest rate due in two years. No definition available.
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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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