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STOCK-BASED COMPENSATION (Tables)
12 Months Ended
Dec. 31, 2020
Share-based Payment Arrangement [Abstract]  
Summary of Restricted Stock Unit Activity
The table below summarizes restricted stock unit activity for the year ended December 31, 2020:
Restricted
Stock Units
Weighted
Average
Grant Date
Fair Value
Restricted stock units outstanding at December 31, 20191,974,575 $28.54 
Granted495,622 30.55 
Released(582,151)28.35 
Forfeited(17,040)29.60 
Restricted stock units outstanding at December 31, 20201,871,006 29.12