XML 47 R35.htm IDEA: XBRL DOCUMENT v3.22.1
GENERAL (Details)
gal / d in Millions
 3 Months Ended
Mar. 31, 2022
gal / d
Squarefeet
Plan
Facility
Subsidiary
Business Operations [Abstract]  
Number of subsidiaries not regulated | Subsidiary 3
Artesian Development purchased area of office space (in square feet) 10,000
Artesian Development purchased area of warehouse space (in square feet) 10,000
Artesian Utility [Member]  
Business Operations [Abstract]  
Capacity of wastewater treatment facilities | gal / d 3.8
Initial contract period of operating wastewater treatment facilities in Middletown 20 years
Number of wastewater treatment systems facility operations in Middletown | Facility 3
Number of protection plans offered to customers | Plan 3