Condensed Consolidated Statements of Cash Flows (Unaudited) (Parenthetical) (Geostream)	Apr. 09, 2013
Geostream
Percentage of acquired interest	50.00%

Equity Method Investment, Additional Percentage Aquired

No definition available.

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