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SHAREHOLDERS' EQUITY - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jul. 31, 2020 | Dec. 31, 2020 | Dec. 31, 2019
Class of Stock [Line Items] |  |  |
Common stock shares reserved for issuance under incentive plans (in shares) |  | 95,900,000 |
Treasury stock (shares) |  | 0 | 194,707,945
Preferred stock authorized (shares) |  | 100,000,000 |
Preferred stock, par value (USD per share) |  | $ 0.01 |
Preferred stock issued (shares) |  | 0 |
Stock issued during period, new issues (shares) | 17,300,000 |  |
Issuance of common stock | $ 1,400,000 | $ 0 |
Common Stock $0.001 Par Value |  |  |
Class of Stock [Line Items] |  |  |
Number of shares issued upon Separation per former class A common stock |  | 2.1584 |
Common stock, par value (USD per share) |  | $ 0.001 | $ 0.001
Number of shares issued upon Separation per former class B common stock |  | 2.1584 |
Series 1 Mandatorily Exchangeable Preferred Stock |  |  |
Class of Stock [Line Items] |  |  |
Number of shares issued upon Separation per former class A common stock |  | 1 |
Series 2 Mandatorily Exchangeable Preferred Stock |  |  |
Class of Stock [Line Items] |  |  |
Number of shares issued upon Separation per former class B common stock |  | 1 |

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