Quarterly report pursuant to Section 13 or 15(d)

INCOME TAXES - Narrative (Details)

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INCOME TAXES - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Income Tax Disclosure [Abstract]      
Income tax expense (benefit) $ (738) $ (2,103)  
Effective tax rate 29.10% 25.20%  
Unrecognized tax benefits $ 100   $ 100