STOCK BASED COMPENSATION - Restricted Stock Awards (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2023 |
Jun. 30, 2022 |
Jun. 30, 2023 |
Jun. 30, 2022 |
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| Weighted Average Grant Date Fair Value | ||||
| Total stock based compensation expenses | $ 9,703 | $ 19,218 | $ 19,016 | $ 29,130 |
| Restricted Stock awards | ||||
| Shares Subject to Vesting | ||||
| Balance at beginning of period, unvested shares (in shares) | 102 | |||
| Vested (in shares) | (76) | |||
| Balance at end of period, unvested shares (in shares) | 26 | 26 | ||
| Weighted Average Grant Date Fair Value | ||||
| Balance at beginning of Period, unvested shares (in dollars per share) | $ 8.78 | |||
| Vested (in dollars per share) | $ 2.09 | |||
| Balance at end of Period, unvested shares (in dollars per share) | ||||
| Total stock based compensation expenses | $ 400 | $ 200 | $ 600 | $ 600 |
| Unrecognized stock-based compensation expense | $ 200 | $ 200 | ||
| Weighted-average period | 7 months 6 days | |||
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- 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://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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