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REVENUE - Electric Operations (Details) - Electric Operations [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Disaggregation of Revenue [Line Items]
Revenues	$ 71,715	$ 67,403	$ 191,861	$ 230,812
Delivered Energy [Member]
Disaggregation of Revenue [Line Items]
Revenues	55,855	54,391	147,355	184,675
Energy Capacity [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 15,860	$ 13,012	$ 44,506	$ 46,137

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