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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Part 1 (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Utility Plant [Abstract] |  |  |
AFUDC - Debt | $ 759 | $ 435 | $ 267
AFUDC - Equity | 1,243 | 894 | $ 556
Summary of utility plant comprises [Abstract] |  |  |
Utility plant, gross | 899,454 | 840,985 |
Less - accumulated depreciation | 185,170 | 172,954 |
Utility plant, net | $ 714,284 | $ 668,031 |
Depreciation and Amortization [Abstract] |  |  |
Depreciation rates of water utility plant | 2.13% | 2.16% | 2.17%
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] |  |  |
Estimated useful life | 0 years |  |
Utility plant, gross | $ 4,028 | $ 4,489 |
Construction in Progress [Member] |  |  |
Summary of utility plant comprises [Abstract] |  |  |
Estimated useful life | 0 years |  |
Utility plant, gross | $ 23,724 | 34,213 |
Utility plant in service-Water [Member] | Mains [Member] |  |  |
Summary of utility plant comprises [Abstract] |  |  |
Estimated useful life | 81 years |  |
Utility plant, gross | $ 370,977 | 338,368 |
Utility plant in service-Water [Member] | Services [Member] |  |  |
Summary of utility plant comprises [Abstract] |  |  |
Estimated useful life | 39 years |  |
Utility plant, gross | $ 60,818 | 56,396 |
Utility plant in service-Water [Member] | Storage Tanks [Member] |  |  |
Summary of utility plant comprises [Abstract] |  |  |
Estimated useful life | 76 years |  |
Utility plant, gross | $ 40,933 | 34,567 |
Utility plant in service-Water [Member] | Meters [Member] |  |  |
Summary of utility plant comprises [Abstract] |  |  |
Estimated useful life | 26 years |  |
Utility plant, gross | $ 30,318 | 29,720 |
Utility plant in service-Water [Member] | Hydrants [Member] |  |  |
Summary of utility plant comprises [Abstract] |  |  |
Estimated useful life | 60 years |  |
Utility plant, gross | $ 18,980 | 17,751 |
Utility plant in service-Water [Member] | Intangible plant [Member] |  |  |
Summary of utility plant comprises [Abstract] |  |  |
Estimated useful life | 0 years |  |
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 | $ 29,960 | 25,223 |
Utility plant in service-Water [Member] | Source of supply plant [Member] | Minimum [Member] |  |  |
Summary of utility plant comprises [Abstract] |  |  |
Estimated useful life | 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 |  |
Utility plant in service-Water [Member] | Pumping and water treatment plant [Member] |  |  |
Summary of utility plant comprises [Abstract] |  |  |
Utility plant, gross | $ 130,337 | 116,915 |
Utility plant in service-Water [Member] | Pumping and water treatment plant [Member] | Minimum [Member] |  |  |
Summary of utility plant comprises [Abstract] |  |  |
Estimated useful life | 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 | 62 years |  |
Utility plant in service-Water [Member] | General plant [Member] |  |  |
Summary of utility plant comprises [Abstract] |  |  |
Utility plant, gross | $ 67,317 | 65,632 |
Utility plant in service-Water [Member] | General plant [Member] | Minimum [Member] |  |  |
Summary of utility plant comprises [Abstract] |  |  |
Estimated useful life | 5 years |  |
Utility plant in service-Water [Member] | General plant [Member] | Maximum [Member] |  |  |
Summary of utility plant comprises [Abstract] |  |  |
Estimated useful life | 31 years |  |
Utility plant in service-Wastewater [Member] | Intangible plant [Member] |  |  |
Summary of utility plant comprises [Abstract] |  |  |
Estimated useful life | 0 years |  |
Utility plant, gross | $ 116 | 117 |
Utility plant in service-Wastewater [Member] | General plant [Member] |  |  |
Summary of utility plant comprises [Abstract] |  |  |
Utility plant, gross | $ 2,478 | 1,845 |
Utility plant in service-Wastewater [Member] | General plant [Member] | Minimum [Member] |  |  |
Summary of utility plant comprises [Abstract] |  |  |
Estimated useful life | 5 years |  |
Utility plant in service-Wastewater [Member] | General plant [Member] | Maximum [Member] |  |  |
Summary of utility plant comprises [Abstract] |  |  |
Estimated useful life | 31 years |  |
Utility plant in service-Wastewater [Member] | Treatment and Disposal Plant [Member] |  |  |
Summary of utility plant comprises [Abstract] |  |  |
Utility plant, gross | $ 67,789 | 66,178 |
Utility plant in service-Wastewater [Member] | Treatment and Disposal Plant [Member] | Minimum [Member] |  |  |
Summary of utility plant comprises [Abstract] |  |  |
Estimated useful life | 21 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 |  |
Utility plant in service-Wastewater [Member] | Collection Mains & Lift Stations [Member] |  |  |
Summary of utility plant comprises [Abstract] |  |  |
Estimated useful life | 81 years |  |
Utility plant, gross | $ 51,539 | $ 49,431 |

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