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SHARE-BASED COMPENSATION (Valuation Assumptions Used) (Details) - Stock Options
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]    
Risk-free interest rate 0.66% 1.39%
Dividend yield 0.96% 1.04%
Volatility factor 34.98% 29.45%
Expected term 5 years 6 months 5 years 6 months