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SHAREHOLDERS' EQUITY (Schedule of Assumptions Used to Estimate Fair Value) (Details) - Employee [Member]
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Dividend yields 0.00% 0.00% 0.00%
Volatility     33.00%
Minimum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Risk free interest   1.35% 2.48%
Volatility 0.00% 33.35%  
Expected term (in years)   4 years 2 months 19 days 4 years 3 months 18 days
Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Risk free interest   2.51% 2.82%
Volatility 0.00% 34.32%  
Expected term (in years)   4 years 3 months 3 days 4 years 4 months 20 days