INTANGIBLE ASSETS AND GOODWILL - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Intangible Asset, Finite-Lived [Line Items]
Intangible assets, gross carrying amount	$ 483,519	$ 479,425
Finite-Lived Intangible Assets, Accumulated Amortization	(208,970)	(177,681)
Intangible liabilities, gross carrying amount	(20,826)	(5,000)
Intangible liabilities, accumulated amortization	3,346	909
Electricity segment
Intangible Asset, Finite-Lived [Line Items]
Intangible assets, gross carrying amount	429,209	425,115
Finite-Lived Intangible Assets, Accumulated Amortization	(176,713)	(150,108)
Energy Storage segment
Intangible Asset, Finite-Lived [Line Items]
Intangible assets, gross carrying amount	54,310	54,310
Finite-Lived Intangible Assets, Accumulated Amortization	$ (32,257)	$ (27,573)