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INCOME TAXES (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income Taxes Details Abstract      
Current income tax expense $ 1,052 $ 2,911 $ 3,434
Deferred income tax expense (recovery) (645) (140) 1,005
Total income tax expense $ 407 $ 2,771 $ 4,439