COMMITMENTS AND CONTINGENCIES (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($)	Sep. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)
Commitments and Contingencies [Line Items]
Number Of Former Manufactured Gas Sites Where We Own Or Retain Legal Responsibility For Environmental Conditions		12
Number of sites with ongoing groundwater monitoring		7
Number of sites where regulatory closure has been achieved		5
Deferred MGP Costs, Maximum		$ 15,000
Insurance proceeds related to MGP sites	$ 1,500
Regulatory Asset for Costs Associated with Manufactured Gas Sites		30,400	$ 32,000
Accrual for Environmental Loss Contingencies		$ 13,600	$ 14,300