Document and Entity Information - USD ($)	3 Months Ended
	Mar. 31, 2019	May 06, 2019	Jun. 30, 2018
Entity Information [Line Items]
Entity Registrant Name	Artesian Resources Corporation
Entity Central Index Key	0000863110
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Ex Transition Period	false
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q1
Class A Stock [Member]
Entity Information [Line Items]
Entity Public Float			$ 312,086,000
Entity Common Stock, Shares Outstanding		8,393,088
Class B Stock [Member]
Entity Information [Line Items]
Entity Public Float			$ 9,789,000
Entity Common Stock, Shares Outstanding		881,452