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

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- Definition

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

+ References

No definition available.

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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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- Definition

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

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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

+ References

No definition available.

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WUTC (Details 6) - WUTC [Member] - USD ($) $ in Millions	Jan. 12, 2018	Oct. 26, 2017	Aug. 31, 2017	May 31, 2017
Pipeline replacement cost recovery [Member]
Public Utilities, General Disclosures [Line Items]
Public utilities, requested rate increase (decrease), amount				$ 1.6
Public utilities, requested rate increase (decrease), percentage				0.75%
Public utilities, approved rate increase (decrease), amount		$ 1.3
Public utilities, approved rate increase (decrease), percentage		0.61%
Natural gas rate proceeding [Member]
Public Utilities, General Disclosures [Line Items]
Public utilities, requested rate increase (decrease), amount			$ 5.9
Public utilities, requested rate increase (decrease), percentage			2.70%
Natural gas rate proceeding [Member] \| Subsequent event [Member]
Public Utilities, General Disclosures [Line Items]
Public utilities, requested rate increase (decrease), amended, amount	$ 1.7