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REGULATORY PROCEEDINGS (Details) (USD $)
 12 Months Ended 12 Months Ended
Sep. 27, 2011
Dec. 31, 2012
Delaware [Member]
Dec. 31, 2013
Artesian Water [Member]
Dec. 31, 2012
Artesian Water [Member]
Dec. 31, 2011
Artesian Water [Member]
Jan. 31, 2012
Artesian Water [Member]
Nov. 30, 2012
Artesian Water Maryland [Member]
Dec. 21, 2011
Artesian Water Maryland [Member]
Dec. 31, 2013
Artesian Wastewater [Member]
Jan. 18, 2013
Artesian Wastewater [Member]
Rate Proceedings [Abstract]                    
Maximum temporary annual rate increase subject to 15% gross water sales limitation   $ 2,500,000                
Percentage of gross water sales maximum temporary annual rate increase subject to $2.5 million limitation (in hundredths)   15.00%                
Period to complete rate case by law   7 months                
Percentage of rate relief allowed should a rate case not complete, maximum (in hundredths)   15.00%                
Percentage of revenue increase requested for new rates (in hundredths)           11.13%       34.80%
Amount of annual revenue increase in a filed request to implement new rates       6,250,000         343,000  
Return on Equity (in hundredths)       10.00%            
Reclassification of accumulated depreciation to deferred credits       1,200,000            
Percentage of increase for the average residential customer (in hundredths)                   30.10%
Service Territory Expansion Proceedings [Abstract]                    
Number of agreements terminated by Artesian Wastewater Maryland and Cecil County 2                  
Number of residents to be served by Artesian Water Maryland following the purchase of Cecil County Water Assets               1,500    
Number of Residents to be Served by Artesian Water Maryland Following the Transfer of CECO Water Assets             200      
Other Proceedings [Abstract]                    
Distribution System Improvement Charge rate increase applied between base rate filings, maximum (in hundredths)   7.50%                
Distribution System Improvement Charge rate increase maximum within a 12-month period (in hundredths)   5.00%                
Percentage of DSIC annual rate increase requested (in hundredths)     1.45% 0.14% 1.47%          
Increase Amount Based On Eligible Plant Improvements Since Last Rate Increase     5,600,000 486,000            
Revenue earned in DSIC rate increases       $ 42,000 $ 347,000