GENERAL (Details) gal / d in Millions	3 Months Ended
	Mar. 31, 2024 gal / d Plan Squarefeet Facility Subsidiary
Business Operations [Abstract]
Number of subsidiaries not regulated | 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 | Facility	3
Capacity of wastewater treatment facilities | gal / d	3.8
Number of protection plans offered to customers | Plan	3