REVENUE (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Disaggregation of Revenue [Line Items]
Revenues from Contracts with Customers	$ 410,000	$ 390,000
Alternative Revenues	9,000	13,000
Other	34,000	33,000
Total Operating Revenues	452,756	435,853
Retail
Disaggregation of Revenue [Line Items]
Revenues from Contracts with Customers	282,000	233,000
Wholesale
Disaggregation of Revenue [Line Items]
Revenues from Contracts with Customers	89,000	126,000
Other Services
Disaggregation of Revenue [Line Items]
Revenues from Contracts with Customers	$ 39,000	$ 31,000