The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.

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

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- Definition

The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

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SUBSEQUENT EVENTS (Details) - USD ($) $ in Thousands		1 Months Ended	4 Months Ended	9 Months Ended
SUBSEQUENT EVENTS (Details) - USD ($) $ in Thousands	Jul. 01, 2018	Oct. 31, 2018	Oct. 31, 2018	Sep. 30, 2018	Sep. 30, 2017
Subsequent Event [Line Items]
Payment to acquire assets				$ 200,770	$ 205,604
ETG Utility Operations
Subsequent Event [Line Items]
Payment to acquire assets	$ 1,700,000
Marina \| Solar assets \| Subsequent event
Subsequent Event [Line Items]
Proceeds from sale of productive assets		$ 117,800	$ 180,300