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Represents the portion of long-term debt and capital lease obligations which are due in one year or less in the future and the amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

No definition available.

Name:	ede_LongTermDebtAndCapitalLeaseObligationsFutureMinimumPaymentsCurrentObligationsAndUnamortizedDiscount
Namespace Prefix:	ede_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_DebtInstrumentLineItems
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section H

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Amount of long-term debt and capital lease obligation maturing after the fifth fiscal year following the latest fiscal year.

No definition available.

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Amount of long-term debt and capital lease obligation maturing in the fifth fiscal year following the latest fiscal year.

No definition available.

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Amount of long-term debt and capital lease obligation maturing in the fourth fiscal year following the latest fiscal year.

No definition available.

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Amount of long-term debt and capital lease obligation maturing in the third fiscal year following the latest fiscal year.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of long-term debt and capital lease obligation maturing in the second fiscal year following the latest fiscal year.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of long-term debt and capital lease obligation maturing in the next fiscal year following the latest fiscal year.

No definition available.