REVENUES FROM CONTRACTS WITH CUSTOMERS - Narrative (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 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	$ 4,717	$ 4,772
Long-term portion of contract liability	$ 6,600
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