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DIVIDENDS PER SHARE (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Sep. 30, 2017
Sep. 30, 2016
DIVIDENDS PER SHARE                
Dividends declared (in dollars per share) $ 0.025 $ 0.025 $ 0.025 $ 0.025 $ 0.025 $ 0.025    
Total dividends declared             $ 709 $ 708