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STOCK-BASED INCENTIVE PLANS - OUTSTANDING STOCK OPTIONS (Details) - $ / shares | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Outstanding stock options |  |  |
Exercised (in shares) | 0 | 0 | 0
Vested |  |  |
Outstanding stock options |  |  |
Stock options, number of shares outstanding, beginning balance (in shares) | 2,236,000 |  |
Granted (in shares) | 0 |  |
Vested (in shares) | (641,000) |  |
Forfeited (in shares) | (551,000) |  |
Exercised (in shares) | (673,000) |  |
Stock options, number of shares outstanding, ending balance (in shares) | 1,653,000 | 2,236,000 |
Options, weighted average strike price |  |  |
Stock options, weighted average strike price, beginning balance (in dollars per share) | $ 49.13 |  |
Stock options, granted, weighted average strike price (in dollars per share) | 0 |  |
Stock options, vested, weighted average strike price (in dollars per share) | 36.68 |  |
Stock options, forfeited, weighted average strike price (in dollars per share) | 76.96 |  |
Stock options, exercised, weighted average strike price (in dollars per share) | 39.78 |  |
Stock options, weighted average strike price, ending balance (in dollars per share) | $ 38.83 | $ 49.13 |
Unvested |  |  |
Outstanding stock options |  |  |
Stock options, number of shares outstanding, beginning balance (in shares) | 1,430,000 |  |
Granted (in shares) | 286,000 |  |
Vested (in shares) | (641,000) |  |
Forfeited (in shares) | 0 |  |
Exercised (in shares) | 0 |  |
Stock options, number of shares outstanding, ending balance (in shares) | 1,075,000 | 1,430,000 |
Options, weighted average strike price |  |  |
Stock options, weighted average strike price, beginning balance (in dollars per share) | $ 35,520 |  |
Stock options, granted, weighted average strike price (in dollars per share) | 42.98 |  |
Stock options, vested, weighted average strike price (in dollars per share) | 36.68 |  |
Stock options, forfeited, weighted average strike price (in dollars per share) | 0 |  |
Stock options, exercised, weighted average strike price (in dollars per share) | 0 |  |
Stock options, weighted average strike price, ending balance (in dollars per share) | $ 36.82 | $ 35,520 |

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