Business Combination, Consideration to be Transferred

No definition available.

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Period Type:	duration

- Definition

Pipeline Length Owned

+ References

No definition available.

+ Details

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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.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
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- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585

+ Details

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- Details

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- Details

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Namespace Prefix:
Data Type:	na
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- Details

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ACQUISITION (Details) $ in Thousands			6 Months Ended
ACQUISITION (Details) $ in Thousands	Nov. 07, 2017 USD ($)	Oct. 27, 2017 USD ($) mi	Mar. 31, 2018 USD ($)	Mar. 31, 2017 USD ($)
Business Acquisition [Line Items]
Payment made at closing			$ 10,000	$ 0
Talen Generation, LLC \| Talen's Membership Interests In IEC
Business Acquisition [Line Items]
Pipeline length owned \| mi		84
Adelphia \| Talen Generation, LLC \| Talen's Membership Interests In IEC
Business Acquisition [Line Items]
Consideration to be transferred		$ 166,000
Contingent consideration arrangements, additional consideration		$ 23,000
Payment made at closing	$ 10,000