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Rate and Regulatory Matters (Details) - USD ($) $ in Thousands	1 Months Ended	9 Months Ended
	Oct. 20, 2017	Sep. 30, 2017
Tidewater Utilities Inc [Member]
Regulatory Liabilities [Line Items]
Projected annual revenue		$ 400
Middlesex [Member] | Subsequent Event [Member]
Regulatory Liabilities [Line Items]
Originally filed increase in annual operating revenue	$ 1,200
Amended filed increase in annual operating revenue	$ 15,300

X

- Definition

The projected annual revenue from new water operations.

+ References

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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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No definition available.

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