STOCK-BASED COMPENSATION - Unrecognized Compensation Cost on Nonvested Awards (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2021 |
Dec. 31, 2020 |
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| Share-based Payment Arrangement [Abstract] | ||
| Unrecognized Compensation Cost | $ 10,401 | $ 4,593 |
| Weighted Ave. Remaining Recognition Period (in years) | 1 year 1 month 24 days | 11 months 4 days |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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