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STOCK AWARD PLANS - Total Compensation Expense Recognized (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock-based compensation expense | $ 25,811 | $ 40,812 | $ 78,346 | $ 93,962
Stock options |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock-based compensation expense | 3,262 | 4,070 | 9,744 | 12,064
Stock awards |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock-based compensation expense | 21,788 | 36,012 | 65,738 | 79,361
Company expense on ESPP discount |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock-based compensation expense | $ 761 | $ 730 | $ 2,864 | $ 2,537

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