| **Assets Held For Sale**            | 6 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
|-------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| **Assets Held For Sale [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| Assets Held For Sale                | Note 5 –  Assets Held for Sale

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In the first quarter of 2017, the Company decided to market for sale a water system that serves approximately 265 customers.  This water system is reported as assets held for sale in the Company’s consolidated balance sheet.  The Company has been in discussions with a potential buyer for the water system and is currently negotiating the terms of a sale, which will require regulatory approval.   

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| - References
No definition available.
+ Details**Name:**us-gaap_AssetsHeldForSaleNotPartOfDisposalGroupAbstract**Namespace Prefix:**us-gaap_**Data Type:**xbrli:stringItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
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| - Definition
The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.
+ References
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823
+ Details**Name:**us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock**Namespace Prefix:**us-gaap_**Data Type:**nonnum:textBlockItemType**Balance Type:**na**Period Type:**duration |