ACQUISITIONS - UPSTREAM (Details) - Upstream - WECI - USD ($) $ in Millions	1 Months Ended
	Apr. 30, 2020	Apr. 08, 2020
Business Acquisition [Line Items]
Additional ownership interest acquired		10.00%
Acquisition purchase price		$ 31.0
Ownership interest of wind generating facility acquired		90.00%
Duration of offtake agreement for the sale of energy produced	10 years