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SHARE-BASED COMPENSATION AND BENEFIT PLANS (Other Share-Based Compensation) (Narrative) (Details) - Employee stock purchase plan [Member]
9 Months Ended
Sep. 30, 2021
Share-Based Compensation and Benefit Plans  
Employee stock purchase plan stock purchase percentage 85.00%
Restricted stock [Member] | Minimum [Member]  
Share-Based Compensation and Benefit Plans  
Vesting period 1 year
Restricted stock [Member] | Maximum [Member]  
Share-Based Compensation and Benefit Plans  
Vesting period 3 years