BASIS OF PRESENTATION (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Summary of utility plant comprises [Abstract]
Utility plant, gross	$ 908,912	$ 899,454
Less - accumulated depreciation	185,089	185,170
Utility plant, net	$ 723,823	$ 714,284
Depreciation and Amortization [Abstract]
Depreciation rates of water utility plant	1.92%	2.13%
Minimum [Member]
Depreciation and Amortization [Abstract]
Amortization period of other deferred assets	20 years
Maximum [Member]
Depreciation and Amortization [Abstract]
Amortization period of other deferred assets	24 years
Property Held for Future Use [Member]
Summary of utility plant comprises [Abstract]
Utility plant, gross	$ 3,705	$ 4,028
Construction in Progress [Member]
Summary of utility plant comprises [Abstract]
Utility plant, gross	34,364	$ 23,724
Utility plant in service-Water [Member] | Mains [Member]
Summary of utility plant comprises [Abstract]
Estimated useful life		81 years
Utility plant, gross	$ 373,562	$ 370,977
Utility plant in service-Water [Member] | Mains [Member] | Minimum [Member]
Summary of utility plant comprises [Abstract]
Estimated useful life	73 years
Utility plant in service-Water [Member] | Mains [Member] | Maximum [Member]
Summary of utility plant comprises [Abstract]
Estimated useful life	81 years
Utility plant in service-Water [Member] | Services [Member]
Summary of utility plant comprises [Abstract]
Estimated useful life		39 years
Utility plant, gross	$ 61,935	$ 60,818
Utility plant in service-Water [Member] | Services [Member] | Minimum [Member]
Summary of utility plant comprises [Abstract]
Estimated useful life	39 years
Utility plant in service-Water [Member] | Services [Member] | Maximum [Member]
Summary of utility plant comprises [Abstract]
Estimated useful life	58 years
Utility plant in service-Water [Member] | Storage Tanks [Member]
Summary of utility plant comprises [Abstract]
Estimated useful life		76 years
Utility plant, gross	$ 39,704	$ 40,933
Utility plant in service-Water [Member] | Storage Tanks [Member] | Minimum [Member]
Summary of utility plant comprises [Abstract]
Estimated useful life	70 years
Utility plant in service-Water [Member] | Storage Tanks [Member] | Maximum [Member]
Summary of utility plant comprises [Abstract]
Estimated useful life	76 years
Utility plant in service-Water [Member] | Meters [Member]
Summary of utility plant comprises [Abstract]
Estimated useful life		26 years
Utility plant, gross	$ 30,301	$ 30,318
Utility plant in service-Water [Member] | Meters [Member] | Minimum [Member]
Summary of utility plant comprises [Abstract]
Estimated useful life	16 years
Utility plant in service-Water [Member] | Meters [Member] | Maximum [Member]
Summary of utility plant comprises [Abstract]
Estimated useful life	26 years
Utility plant in service-Water [Member] | Hydrants [Member]
Summary of utility plant comprises [Abstract]
Estimated useful life		60 years
Utility plant, gross	$ 19,293	$ 18,980
Utility plant in service-Water [Member] | Hydrants [Member] | Minimum [Member]
Summary of utility plant comprises [Abstract]
Estimated useful life	60 years
Utility plant in service-Water [Member] | Hydrants [Member] | Maximum [Member]
Summary of utility plant comprises [Abstract]
Estimated useful life	68 years
Utility plant in service-Water [Member] | Intangible plant [Member]
Summary of utility plant comprises [Abstract]
Utility plant, gross	$ 140	140
Utility plant in service-Water [Member] | Source of supply plant [Member]
Summary of utility plant comprises [Abstract]
Utility plant, gross	$ 30,214	$ 29,960
Utility plant in service-Water [Member] | Source of supply plant [Member] | Minimum [Member]
Summary of utility plant comprises [Abstract]
Estimated useful life	45 years	45 years
Utility plant in service-Water [Member] | Source of supply plant [Member] | Maximum [Member]
Summary of utility plant comprises [Abstract]
Estimated useful life	85 years	85 years
Utility plant in service-Water [Member] | Pumping and water treatment plant [Member]
Summary of utility plant comprises [Abstract]
Utility plant, gross	$ 129,961	$ 130,337
Utility plant in service-Water [Member] | Pumping and water treatment plant [Member] | Minimum [Member]
Summary of utility plant comprises [Abstract]
Estimated useful life	15 years	8 years
Utility plant in service-Water [Member] | Pumping and water treatment plant [Member] | Maximum [Member]
Summary of utility plant comprises [Abstract]
Estimated useful life	64 years	62 years
Utility plant in service-Water [Member] | General plant [Member]
Summary of utility plant comprises [Abstract]
Utility plant, gross	$ 57,955	$ 67,317
Utility plant in service-Water [Member] | General plant [Member] | Minimum [Member]
Summary of utility plant comprises [Abstract]
Estimated useful life	5 years	5 years
Utility plant in service-Water [Member] | General plant [Member] | Maximum [Member]
Summary of utility plant comprises [Abstract]
Estimated useful life	81 years	31 years
Utility plant in service-Wastewater [Member] | Intangible plant [Member]
Summary of utility plant comprises [Abstract]
Utility plant, gross	$ 116	$ 116
Utility plant in service-Wastewater [Member] | Treatment and Disposal Plant [Member]
Summary of utility plant comprises [Abstract]
Utility plant, gross	$ 69,812	$ 67,789
Utility plant in service-Wastewater [Member] | Treatment and Disposal Plant [Member] | Minimum [Member]
Summary of utility plant comprises [Abstract]
Estimated useful life	20 years	20 years
Utility plant in service-Wastewater [Member] | Treatment and Disposal Plant [Member] | Maximum [Member]
Summary of utility plant comprises [Abstract]
Estimated useful life	81 years	81 years
Utility plant in service-Wastewater [Member] | Collection Mains & Lift Stations [Member]
Summary of utility plant comprises [Abstract]
Estimated useful life	81 years	81 years
Utility plant, gross	$ 55,294	$ 51,539
Utility plant in service-Wastewater [Member] | General plant [Member]
Summary of utility plant comprises [Abstract]
Utility plant, gross	$ 2,556	$ 2,478
Utility plant in service-Wastewater [Member] | General plant [Member] | Minimum [Member]
Summary of utility plant comprises [Abstract]
Estimated useful life	5 years	5 years
Utility plant in service-Wastewater [Member] | General plant [Member] | Maximum [Member]
Summary of utility plant comprises [Abstract]
Estimated useful life	31 years	31 years