GEOGRAPHIC CONCENTRATION OF CUSTOMERS (Details)	12 Months Ended
	Dec. 31, 2013 County
Concentration Risk [Line Items]
Number of counties in which water utility service provided	3
Artesian Water [Member]
Concentration Risk [Line Items]
Number of customers	79,700
Artesian Water Maryland [Member]
Concentration Risk [Line Items]
Number of customers	2,200
Artesian Water Pennsylvania [Member]
Concentration Risk [Line Items]
Number of customers	40
Artesian Wastewater [Member]
Concentration Risk [Line Items]
Number of customers	1,100