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EXIT AND DISPOSAL ACTIVITIES (Condensed Cash Flow of the Discontinued Operations) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
EXIT AND DISPOSAL ACTIVITIES      
Net cash provided by operating activities $ (50) $ 1,010 $ 17,993
Net cash (used in) provided by investing activities $ (195) 1,457 617
Net cash used in financing activities   $ (2,651) $ (16,779)