ACQUISITIONS - JAYHAWK (Details) - Jayhawk - WECI $ in Millions	1 Months Ended
	Mar. 31, 2021	Jun. 30, 2021 USD ($)	Feb. 26, 2021 USD ($) MW
Business Acquisition [Line Items]
Ownership interest of wind generating facility acquired			90.00%
Capacity of generation unit | MW			190
Acquisition purchase price			$ 119.7
Additional capital expenditures		$ 47.8
Current project investment		167.5
Total expected investment		$ 302.0
Duration of offtake agreement for the sale of energy produced	10 years
Percentage of tax benefits entitled to		99.00%
Duration of receiving tax benefits	10 years