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GEOGRAPHIC CONCENTRATION OF CUSTOMERS (Details) | 9 Months Ended
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Sep. 30, 2025 County Customers
GEOGRAPHIC CONCENTRATION OF CUSTOMERS [Abstract] |
Number of counties in which water utility service provided (in County) | County | 3
Large Industrial Customer [Member] |
GEOGRAPHIC CONCENTRATION OF CUSTOMERS [Abstract] |
Number of customers | 1
Artesian Water [Member] |
GEOGRAPHIC CONCENTRATION OF CUSTOMERS [Abstract] |
Number of customers | 98,800
Artesian Water Maryland [Member] |
GEOGRAPHIC CONCENTRATION OF CUSTOMERS [Abstract] |
Number of customers | 2,700
Artesian Water Pennsylvania [Member] |
GEOGRAPHIC CONCENTRATION OF CUSTOMERS [Abstract] |
Number of customers | 40
Artesian Wastewater [Member] |
GEOGRAPHIC CONCENTRATION OF CUSTOMERS [Abstract] |
Number of customers | 9,000

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