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REVENUES FROM CONTRACTS WITH CUSTOMERS - Narrative (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]    
Number of days from shipment to issue a credit 90 days  
Short-term portion of contract liability $ 4,860 $ 4,772
Long-term portion of contract liability $ 7,300  
Product warranty period (up to) 2 years  
Minimum    
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]    
Manufacturing period for products shipped with no alternative use and right of payment for performance 1 month  
Maximum    
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]    
Manufacturing period for products shipped with no alternative use and right of payment for performance 3 months