Annual report pursuant to Section 13 and 15(d)

INCOME TAXES - Narrative (Details)

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INCOME TAXES - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2017
Dec. 31, 2019
Operating Loss Carryforwards [Line Items]    
Net operating loss carryforwards   $ 391.6
Receivable related to AMT credits   1.1
Unrecognized tax benefits   1.2
Increase in income taxes receivable related to tax cuts and jobs act $ 0.6  
Capital Loss Carryforward    
Operating Loss Carryforwards [Line Items]    
Capital loss carryforward   $ 27.2