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REVENUE - Electric Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Electric Operations [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 261,527	$ 267,927
Delivered Energy [Member]
Disaggregation of Revenue [Line Items]
Revenues	203,434	211,772
Delivered Energy [Member] | Electric Operations [Member]
Disaggregation of Revenue [Line Items]
Revenues	203,434	211,772
Energy Capacity [Member]
Disaggregation of Revenue [Line Items]
Revenues	58,093	56,155
Energy Capacity [Member] | Electric Operations [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 58,093	$ 56,155

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