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REVENUE FROM CONTRACTS WITH CUSTOMERS - Narrative (Details)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Disaggregation of Revenue [Line Items]    
Practical expedient incremental cost true true
Minimum    
Disaggregation of Revenue [Line Items]    
Term of payment received 30 days 30 days
Maximum    
Disaggregation of Revenue [Line Items]    
Term of payment received 90 days 90 days