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EVENTS AFTER REPORTING PERIOD EVENTS AFTER REPORTING PERIOD - ADDITIONAL INFORMATION (Details) - Business combinations [member] - Colombian Regulated Distribution Operation [Member]
Jul. 15, 2020
USD ($)
Disclosure of non-adjusting events after reporting period [line items]  
Total consideration $ 45,000,000
Equity funded consideration $ 25,000,000
Percentage of voting equity interests acquired 6.00%
Percentage of voting interest in company 21.00%