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STOCK-BASED COMPENSATION PLANS (Restricted Stock and Restricted Stock Units Activity) (Details) - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Weighted Average Grant-Date Fair Value (in dollars per share):      
Document Period End Date Dec. 31, 2021    
Restricted Stock and Restricted Stock Units [Member]      
Unvested Shares: [Roll Forward]      
Unvested, Beginning Balance 578,136 382,872 318,097
Granted 183,548 384,807 227,262
Vested (232,267) (146,919) (120,675)
Forfeited (53,195) (42,624) (41,812)
Unvested, Ending Balance 476,222 578,136 382,872
Weighted Average Grant-Date Fair Value (in dollars per share):      
Unvested, Beginning Balance $ 40.76 $ 54.39 $ 52.43
Granted 55.52 33.49 53.50
Vested 45.37 55.18 50.23
Forfeited 45.95 47.90 46.25
Unvested, Ending Balance $ 43.62 $ 40.76 $ 54.39