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Rate and Regulatory Matters (Details) - USD ($) $ in Millions	1 Months Ended			3 Months Ended
	Apr. 30, 2016	Nov. 30, 2015	Oct. 31, 2015	Mar. 31, 2016
Tidewater [Member]
Regulatory Liabilities [Line Items]
Projected annual revenue				$ 0.2
Pinelands Water Company [Member]
Regulatory Liabilities [Line Items]
Originally filed increase in annual operating revenue			$ 0.5
Pinelands Water Company [Member] | Subsequent Event [Member]
Regulatory Liabilities [Line Items]
Approved increase in annual operating revenues	$ 0.2
Pinelands Wastewater [Member] | Subsequent Event [Member]
Regulatory Liabilities [Line Items]
Approved increase in annual operating revenues	0.1
New Jersey Board of Public Utilities [Member] | Subsequent Event [Member]
Regulatory Liabilities [Line Items]
Originally filed increase in annual operating revenue	$ 0.1
Pennsylvania Public Utilities Commission [Member]
Regulatory Liabilities [Line Items]
Originally filed increase in annual operating revenue		$ 0.2
Amended filed increase in annual operating revenue				$ 0.1

X

- Definition

The projected annual revenue from new water operations.

+ References

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- Definition

Amount of public utility's approved rate increase (decrease) by regulatory agency.

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- Definition

Amount of public utility's amended requested rate increase (decrease) with regulatory agency.

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- Definition

Amount of public utility's requested rate increase (decrease) with regulatory agency.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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