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REVENUES FROM CONTRACTS WITH CUSTOMERS - Narrative, Revenue Remaining Performance Obligation (Details) - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-04-01
Mar. 31, 2021
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Expected performance obligation through 2021, percentage 46.00%
Performance obligations expected to be satisfied, expected timing 9 months