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GENERAL INFORMATION AND OTHER FINANCIAL DATA - PRINCIPLES OF CONSOLIDATION (Details) - segment
1 Months Ended 6 Months Ended 14 Months Ended
Apr. 30, 2019
Jun. 30, 2020
Jun. 30, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Number of reportable segments 6 5 5