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INCOME TAXES (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Operating Loss Carryforwards [Line Items]      
Deferred income taxes $ (1,187) $ (74)  
Deferred tax liabilities, goodwill 1,635    
Federal net operating loss carryforwards     $ 101,200
Tax credit carryforward amount 3,804    
Refundable amount 1,902    
Current income tax expense (benefit) 475    
Deferred income taxes 475    
Goodwill      
Operating Loss Carryforwards [Line Items]      
Deferred income taxes $ (1,635)