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SHAREHOLDERS EQUITY (Tables)
12 Months Ended
Dec. 31, 2017
Stockholders' Equity Note [Abstract]  
Schedule of dividends payments
Payment   Record Date   Payment Date   Dividend
(per share)
    Amount  
                     
Q1 2015   March 20, 2015   March 23, 2015   $ 0.16     $ 1,809  
Q2 2015   June 15, 2015   June 19, 2015     0.16       1,814  
Q3 2015   September 14, 2015   September 21, 2015     0.16       1,815  
Q4 2015   December 7, 2015   December 11, 2015     0.16       1,815  
Total for 2015           $ 0.64     $ 7,253  
                         
Q1 2016   March 21, 2016   March 28, 2016   $ 0.17     $ 1,929  
Q2 2016   June 13, 2016   June 20, 2016     0.17       1,929  
Q3 2016   September 12, 2016   September 19, 2016     0.17       1,928  
Q4 2016   December 5, 2016   December 12, 2016     0.17       1,929  
Total for 2016           $ 0.68     $ 7,715  
                         
Q1 2017   March 27, 2017   April 3, 2017   $ 0.18     $ 2,043  
Q2 2017   June 13, 2017   June 20, 2017     0.18       2,048  
Q3 2017   September 11, 2017   September 18, 2017     0.18       2,048  
Q4 2017   December 4, 2017   December 11, 2017     0.18       2,049  
Total for 2017           $ 0.72     $ 8,188