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ACQUISITIONS - BISHOP HILL III ACQUISITION - PURCHASE PRICE ALLOCATION (Details) - Bishop Hill III Wind Energy Center $ in Millions | 1 Months Ended
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Aug. 31, 2018 USD ($)
Business Acquisition [Line Items] |
Current assets | $ 1.4
Net property, plant, and equipment | 189.0
Other long-term assets | 4.5
Current liabilities | (1.6)
Long-term liabilities | (8.3)
Noncontrolling interest | (37.0)
Total purchase price | $ 148.0

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