GEOGRAPHIC CONCENTRATION OF CUSTOMERS (Details)	6 Months Ended
	Jun. 30, 2025 County Customers
Concentration Risks [Abstract]
Number of counties in which water utility service provided (in County) | County	3
Large Industrial Customer [Member]
Concentration Risks [Abstract]
Number of customers	1
Artesian Water [Member]
Concentration Risks [Abstract]
Number of customers	98,200
Artesian Water Maryland [Member]
Concentration Risks [Abstract]
Number of customers	2,700
Artesian Water Pennsylvania [Member]
Concentration Risks [Abstract]
Number of customers	40
Artesian Wastewater [Member]
Concentration Risks [Abstract]
Number of customers	8,800