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STOCK BASED COMPENSATION (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
May 31, 2021 | Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Long Term Incentive Plan |  |  |  |  |  |
Stock based compensation |  |  |  |  |  |
Shares reserved for issuance under plan |  | 35,000,000 |  | 35,000,000 |  | 19,000,000
Increase in shares reserved for issuance | 16,000,000 |  |  |  |  |
General and administrative expense |  |  |  |  |  |
Stock based compensation |  |  |  |  |  |
Stock based compensation expense |  | $ 6.4 | $ 4.0 | $ 11.3 | $ 10.8 |

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