XML 43 R1.htm IDEA: XBRL DOCUMENT v2.4.0.8
Document and Entity Information (USD $)
 9 Months Ended
Sep. 30, 2013
Nov. 05, 2013
Class A Stock [Member]
Jun. 30, 2012
Class A Stock [Member]
Nov. 05, 2013
Class B Stock [Member]
Jun. 30, 2012
Class B Stock [Member]
Entity Information [Line Items]          
Entity Registrant Name Artesian Resources Corporation        
Entity Central Index Key 0000863110        
Current Fiscal Year End Date --12-31        
Entity Well-known Seasoned Issuer No        
Entity Voluntary Filers No        
Entity Current Reporting Status Yes        
Entity Filer Category Accelerated Filer        
Entity Common Stock, Shares Outstanding   7,916,118   881,452  
Document Fiscal Year Focus 2013        
Document Fiscal Period Focus Q3        
Document Type 10-Q        
Amendment Flag false        
Document Period End Date Sep. 30, 2013        
Entity Public Float     $ 162,630,000   $ 4,741,000