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NON-UTILITY OPERATING REVENUE AND EXPENSES (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Public Utility, Property, Plant and Equipment [Line Items] |  |  |
Non-utility operating revenue | $ 4,398 | $ 4,150 | $ 3,974
Summary of non-utility operating expenses [Abstract] |  |  |
Non-utility operating expenses | 2,305 | 2,193 | 2,121
Artesian Utility [Member] |  |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |  |
Non-utility operating revenue | 4,400 | 4,100 | 3,900
Summary of non-utility operating expenses [Abstract] |  |  |
Non-utility operating expenses | 2,260 | 2,147 | 2,052
Artesian Development [Member] |  |  |
Summary of non-utility operating expenses [Abstract] |  |  |
Non-utility operating expenses | $ 45 | 46 | 40
Artesian Resources [Member] |  |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |  |
Non-utility operating revenue |  | 0 | 0
Summary of non-utility operating expenses [Abstract] |  |  |
Non-utility operating expenses | $ 0 | 0 | 0
Artesian Consulting Engineers [Member] |  |  |
Summary of non-utility operating expenses [Abstract] |  |  |
Non-utility operating expenses | $ 0 | $ 0 | $ 29

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- Definition The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition Revenues from the sale of other goods or rendering of other services, not elsewhere specified in the taxonomy; net of (reduced by) sales adjustments, returns, allowances, and discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(a),(d)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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