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INCOME TAXES - NARRATIVE (Details) - USD ($)
$ in Thousands
12 Months Ended
Oct. 01, 2019
Dec. 31, 2017
Dec. 31, 2019
Income Tax Disclosure [Abstract]      
Tax Cuts and Jobs Act, provisional income tax expense recognized   $ 315  
Nondeductible transaction costs $ 10,300    
Federal tax authority      
Operating Loss Carryforwards [Line Items]      
Operating loss carryforwards     $ 830