INTANGIBLE ASSETS AND GOODWILL - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Jan. 04, 2024
Intangible Asset, Finite-Lived [Line Items]
Intangible assets, net	$ 301,745	$ 307,609
Finite-lived intangible assets, accumulated amortization	177,681	150,212
Amortization of intangible assets	27,800	26,800	$ 27,200
Intangible assets		0
Impairment of intangible assets, finite-lived	0	0	$ 0
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]			Impairment of long-lived assets
Goodwill	151,023	90,544	$ 90,325
Goodwill, impairment loss	0	0	0
Storage segment
Intangible Asset, Finite-Lived [Line Items]
Finite-lived intangible assets, accumulated amortization	$ 27,573	$ 22,888
Impairment of intangible assets, finite-lived			$ 900
Enel Green Power North America ("EGPNA")
Intangible Asset, Finite-Lived [Line Items]
Intangible assets				$ 23,600
Goodwill				$ 60,900