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STOCK-BASED COMPENSATION - Additional Information (Details) $ in Millions | 6 Months Ended
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Jun. 30, 2020 USD ($)
Share-based Payment Arrangement [Abstract] |
Unrecognized stock-based compensation expense | $ 130.3
Weighted-average period of recognition of unrecognized stock-based compensation expense (in years) | 2 years 2 months 12 days

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