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SHAREHOLDERS' EQUITY (Share Option Plans) (Narrative) (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Aug. 31, 2021
Sep. 30, 2020
Jun. 30, 2019
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Options outstanding       2,558 32,805 343,451 508,493
Period of directors service served           5 years  
Percentage of acceleration of unvested equity           50.00%  
RSU's [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Awards granted       1,002,275 1,105,155 1,159,881  
Awards outstanding       2,211,100 2,223,043 2,013,613 1,599,296
2013 Plan [Member] | Employees and directors [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting period       3 years 3 years    
Awards granted       1,000,000.0 1,100,000    
2013 Plan [Member] | Chief Executive Officer [Member] | Time Vested Restricted Shares Units [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting percentage 33.00% 33.00% 33.00%        
Non-option equity awards granted 80,000 109,000 129,000        
Compensation cost   $ 5,000 $ 3,900        
2013 Plan [Member] | Chief Executive Officer [Member] | Performance-based RSU's [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Non-option equity awards granted 132,000 163,000 129,000        
2013 Plan [Member] | Chief Executive Officer [Member] | RSU's [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Awards granted 31,000            
Non-option equity awards granted 6,000,000            
Compensation cost $ 1,000            
2013 Plan [Member] | Chief Executive Officer [Member] | PSU’s [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Non-option equity awards granted 120,000            
2013 Plan [Member] | Chairman of the board of directors [Member] | Time Vested Restricted Shares Units [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting percentage 33.00% 33.00% 33.00%        
Non-option equity awards granted 10,300 16,000 20,000        
Compensation cost $ 300 $ 300 $ 300        
2013 Plan [Member] | New other directors [Member] | Time Vested Restricted Shares Units [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting period 2 years 2 years 2 years        
Non-option equity awards granted 4,300 5,000 5,000        
Compensation cost $ 900 $ 900 $ 600        
2013 Plan [Member] | New other directors [Member] | Time Vested Restricted Shares Units [Member] | First Anniversary [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting percentage 50.00% 50.00% 50.00%        
2013 Plan [Member] | New other directors [Member] | Time Vested Restricted Shares Units [Member] | Second Anniversary [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting percentage 50.00% 50.00% 50.00%