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INCOME TAXES INCOME TAXES (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Income Tax Disclosure [Abstract]        
Domestic $ 592 $ (18,950) $ (9,221) $ (38,269)
Foreign 2,007 (763) 1,175 (1,280)
Income (loss) before income taxes 2,599 (19,713) (8,046) (39,549)
Income tax expense (less than) $ 100 $ 100 $ 100 100
Deferred tax liability       $ 26,500