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STOCKHOLDERS' EQUITY - Incentive Plans (Details) shares in Millions, $ in Millions |  | 3 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 08, 2021 shares | Mar. 31, 2022 USD ($) shares | Mar. 31, 2021 USD ($) shares | Dec. 31, 2021 shares | Jan. 29, 2020 shares
General and administrative |  |  |  |  |
Stock-based compensation |  |  |  |  |
Compensation expense recorded | $ |  | $ 0.4 | $ 0.6 |  |
2016 Incentive Plan | Common Stock | Maximum |  |  |  |  |
Stock-based compensation |  |  |  |  |
Maximum number of shares that remained reserved for issuance under the Plan |  | 0.5 |  | 0.5 |
2020 Incentive Plan | Common Stock |  |  |  |  |
Stock-based compensation |  |  |  |  |
Aggregate number of shares available | 1.8 |  |  |  | 1.5
Increase in shares available for issuance | 0.3 |  |  |  |
2020 Incentive Plan | Common Stock | Maximum |  |  |  |  |
Stock-based compensation |  |  |  |  |
Maximum number of shares that remained reserved for issuance under the Plan |  | 0.5 |  | 0.5 |
2020 Incentive Plan | Stock options |  |  |  |  |
Stock-based compensation |  |  |  |  |
Percentage of awards vesting on the annual anniversary date of the grant |  | 25 |  |  |
2020 Incentive Plan | Restricted Stock |  |  |  |  |
Stock-based compensation |  |  |  |  |
Percentage of awards other than options vesting on the annual anniversary date of the grant |  | 25.00% | 25.00% |  |
Number of Shares |  |  |  |  |
Granted (in shares) |  | 0.1 | 0.1 |  |

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