INVESTMENTS IN UNCONSOLIDATED AFFILIATES - Summary of Fair Value (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2023	Jun. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Schedule of Equity Method Investments [Line Items]
Impairments of Offshore Wind Investments	$ (1,766,000)	$ (401,000)	$ (2,167,000)	$ 0	$ 0
Carrying Value as of December 31, 2023	660,473		660,473	2,176,080
Sunrise Wind
Schedule of Equity Method Investments [Line Items]
Carrying Value as of December 31, 2023, before Impairment Charge	699,000		699,000
Impairments of Offshore Wind Investments	(1,218,000)
Carrying Value as of December 31, 2023	(519,000)		(519,000)
Revolution Wind
Schedule of Equity Method Investments [Line Items]
Carrying Value as of December 31, 2023, before Impairment Charge	799,000		799,000
Impairments of Offshore Wind Investments	(544,000)
Carrying Value as of December 31, 2023	255,000		255,000
South Fork Class B Member, LLC
Schedule of Equity Method Investments [Line Items]
Carrying Value as of December 31, 2023, before Impairment Charge	299,000		299,000
Impairments of Offshore Wind Investments	0
Carrying Value as of December 31, 2023	299,000		299,000
South Fork Wind Holdings, LLC Class A
Schedule of Equity Method Investments [Line Items]
Carrying Value as of December 31, 2023, before Impairment Charge	485,000		485,000
Impairments of Offshore Wind Investments	(4,000)
Carrying Value as of December 31, 2023	481,000		481,000
Total Offshore Wind Investments
Schedule of Equity Method Investments [Line Items]
Carrying Value as of December 31, 2023, before Impairment Charge	2,282,000		2,282,000
Impairments of Offshore Wind Investments	(1,766,000)
Carrying Value as of December 31, 2023	$ 515,500		$ 515,500	$ 1,947,100