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Discontinued Operations (Narratives) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Exterran Corporation
Discontinued Operations
Unrecognized tax benefits	$ 6.4
Indemnification asset	6.4
Exterran Corporation | Spinoff
Discontinued Operations
Compression units acquired	37.8	$ 37.2
Exterran Corporation
Discontinued Operations
Proceeds from sale of expropriated assets installment payment		$ 19.7
Scheduled installment payments	$ 20.9

X

- Definition

The balance of indemnified assets as of the balance sheet date.

+ References

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X

- Definition

The cash inflows received as installment payments from the sale of expropriated assets.

+ References

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- Definition

The purchase price of compression equipment acquired from related party during the period.

+ References

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- Definition

Scheduled installment payments expected to be received by the company per the separation agreement.

+ References

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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.

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- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319

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