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SHAREHOLDERS' EQUITY (Description of Plans) (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2021
Feb. 14, 2022
Jan. 31, 2021
Dec. 31, 2020
Apr. 11, 2019
Dec. 31, 2010
Oct. 31, 2008
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Cash dividend declare per share     $ 0.63 $ 0.36 $ 0.45    
Dividend payable     $ 35,003 $ 19,999 $ 24,864    
Second Anniversary [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Vested percentage 50.00%            
Third and Fourth Anniversary [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Vested percentage 25.00%            
2008 Plan [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Total number of shares authorized           7,673,862  
Shares available for grant 145,000         8,673,862 1,000,000
2008 Plan [Member] | Subsequent Event [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Shares available for grant   472,500          
Minimum [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Vesting period for plan 3 years            
Maximum [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Vesting period for plan 4 years            
Option One [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Expiration period 6 years