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REVENUE Variable Consideration (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Revenue, Methods, Inputs, and Assumptions Used [Abstract]        
Revenue, Information Used to Assess Variable Consideration Constraint 75.4 million 26.3 million 129.0 million 80.1 million