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SHARE-BASED COMPENSATION PLANS- Stock Award Activity For All Stock Plans (Details) - Restricted Stock Awards and Units
9 Months Ended
Sep. 30, 2021
shares
Restricted Stock Awards and Units  
Beginning balance (in shares) 129,861
Granted (in shares) 136,626
Vested (in shares) (95,001)
Forfeited (in shares) (2,506)
Ending balance (in shares) 168,980