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STOCK-BASED COMPENSATION - Additional Information (Details)
$ in Millions
6 Months Ended
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