COMMITMENTS AND CONTINGENCIES - Offshore Wind Contingent Liability (Details) - USD ($) $ in Thousands				3 Months Ended	9 Months Ended
	Jul. 09, 2025	Sep. 30, 2024	Jul. 09, 2024	Sep. 30, 2025	Sep. 30, 2025	Sep. 30, 2024
Schedule of Equity Method Investments [Line Items]
Proceeds from Sales of Offshore Wind Investments					$ 0	$ 862,713
Equity method investment, liability obligations				$ 365,000	365,000
Equity method investment, realized gain (loss)				524,000
South Fork Wind And Revolution Wind
Schedule of Equity Method Investments [Line Items]
Ownership interest (percent)		50.00%				50.00%
Proceeds from Sales of Offshore Wind Investments		$ 745,000
Cost sharing agreement, threshold amount						$ 240,000
Equity method investment, liability obligations				507,700	$ 507,700
Equity method investment, pre tax charge				$ 284,000
Adjustments from sale of equity method investment, non-construction costs	$ 225,000
Adjustments from sale of equity method investment, capital expenses			$ 150,000
Effective income tax rate reconciliation, change in enacted tax rate, amount	$ 60,000
Sunrise Wind, LLC
Schedule of Equity Method Investments [Line Items]
Ownership interest (percent)			50.00%
Proceeds from Sales of Offshore Wind Investments			$ 377,000
Revolution Wind
Schedule of Equity Method Investments [Line Items]
Federal investment tax credits (percent)					40.00%
Commercial operation, term				4 years	4 years
Equity method investment, aggregate cost			350,000
Equity method investment, post-closing sale costs			$ 326,000
Sunrise Wind to Ørsted
Schedule of Equity Method Investments [Line Items]
Ownership interest (percent)		50.00%				50.00%