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STOCKHOLDERS' EQUITY DEFICIT - Common Stock (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 vote shares | Dec. 31, 2020 shares
Class of Stock [Line Items] |  |
Common stock, shares authorized (in shares) | 400,000,000 | 200,000,000
Common stock, shares issued (in shares) | 199,463,645 | 140,449,647
Common stock, shares outstanding (in shares) | 199,463,645 | 140,449,647
Common Stock |  |
Class of Stock [Line Items] |  |
Number of votes | vote | 1 |

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