GENERAL (Details) gal / d in Millions	6 Months Ended
	Jun. 30, 2025 gal / d Subsidiary Facility Plan Squarefeet
Business Operations [Abstract]
Number of subsidiaries not regulated (in Subsidiary) | Subsidiary	2
Artesian Development purchased area of office space (in square feet)	10,000
Artesian Development purchased area of warehouse space (in square feet)	7,000
Artesian Utility [Member]
Business Operations [Abstract]
Initial contract period of operating wastewater treatment facilities in middletown	20 years
Number of wastewater treatment systems facility operations in middletown (in Facility) | Facility	3
Capacity of wastewater treatment facilities (in US Gallons per Day) | gal / d	3.8
Number of protection plans offered to customers (in Plan) | Plan	3