AcquistionCostsOfNoncontrollingInterest

No definition available.

Name:	keg_AcquistionCostsOfNoncontrollingInterest
Namespace Prefix:	keg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Business Acquisition, Remaining Payments

+ References

No definition available.

+ Details

Name:	keg_BusinessAcquisitionRemainingPayments
Namespace Prefix:	keg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Percentage

+ References

No definition available.

+ Details

Name:	keg_ConsolidationLessthanWhollyOwnedSubsidiaryParentOwnershipInterestPercentage
Namespace Prefix:	keg_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Equity Method Investment, Additional Percentage Aquired

+ References

No definition available.

+ Details

Name:	keg_EquityMethodInvestmentAdditionalPercentageAquired
Namespace Prefix:	keg_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Number Of Board of Directors Seats

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

+ Details

Name:	us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

This element represents the aggregate cost of investments accounted for under the equity method of accounting.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.12)

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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 12

-Article 5

+ Details

Name:	us-gaap_EquityMethodInvestmentAggregateCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

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

- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 5A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=28200181&loc=SL6759159-111685

+ Details

Name:	us-gaap_VariableInterestEntityOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

ACQUISITION OF NONCONTROLLING INTEREST (Details) (USD $) In Millions, unless otherwise specified		10 Months Ended				0 Months Ended
	Mar. 07, 2010 person	Sep. 01, 2009 Geostream	Apr. 09, 2013 Geostream	Oct. 31, 2008 Geostream	May 02, 2014 Al Mansoori Petroleum Services Limited Liability Company [Member]	Mar. 07, 2013 Key Energy Services Incorporation And Subsidiaries [Member]	Mar. 07, 2010 Key Energy Services Incorporation And Subsidiaries [Member] person	Sep. 30, 2014 Al Mansoori Key Energy Services L L C [Member]	Aug. 05, 2013 Al Mansoori Key Energy Services L L C [Member]
Noncontrolling Interest [Line Items]
Percentage of acquired interest				26.00%
Aggregate cost of acquired interest			$ 14.6	$ 17.4
Business combination, percentage of voting interests acquired		24.00%
Business Acquisition, Cost of Acquired Entity, Purchase Price		16.4							5.1
Total controlling interest, percentage		50.00%
Variable interest entities, ownership interest						49.00%
Percentage of acquired interest			50.00%		51.00%
Number Of Board Of Directors Seats	5						3
Business Acquisition, Remaining Payments								$ 5.1