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Commitments and Contingencies (Details) - USD ($) $ in Millions			12 Months Ended
	Aug. 01, 2016	Jan. 19, 2016	Dec. 31, 2016	Sep. 30, 2016
Indirect Tax Audits
Loss Contingencies [Line Items]
Loss during the period			$ 1.8
Provider Companies | Pending Litigation | Halifax-American Energy Company, LLC et al v. Provider Power, LLC, Electricity N.H., LLC, Electricity Maine, LLC, Emile Clavet and Kevin Dean
Loss Contingencies [Line Items]
Litigation settlement amount		$ (0.6)
Attorney fees		$ 0.3
Appeal bond	$ 1.0
Contingent liabilities				$ 1.0

X

- Definition

Loss Contingency, Appeal Bond

+ References

No definition available.

+ Details

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X

- Definition

Amount of judgment or settlement awarded to (against) the entity in respect of litigation.

+ References

No definition available.

+ Details

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X

- Definition

Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

+ References

No definition available.

+ Details

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X

- 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.

+ References

No definition available.

+ Details

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X

- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

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X

- Definition

The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

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- Details

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