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DISCONTINUED OPERATIONS - Schedule of Income from Discontinued Operations (Details) - USD ($)
$ in Thousands
7 Months Ended 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2016
Dec. 31, 2015
May 31, 2015
May 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Loss from discontinued operations, net of income tax $ 0 $ 0 $ (111) $ 0 $ 0 $ 0
Discontinued Operations, Disposed of by Sale            
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Revenues     46,771      
Operating expenses     43,081      
Gross margin     3,690      
Selling, general and administrative expenses     1,939      
Gain on disposal     7      
Income from discontinued operations, before income tax     1,758      
Less: Provision for income taxes     1,869      
Loss from discontinued operations, net of income tax     $ (111)