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Revenues from Major Customers (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |||||
|---|---|---|---|---|---|---|
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Dec. 31, 2012
Chevron Corporation
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Dec. 31, 2011
Chevron Corporation
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Dec. 31, 2012
Williams Field Services-Gulf Coast Company L.P.
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Dec. 31, 2010
Eni US Operating Co. Inc
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Dec. 31, 2010
American Electric Power Service Corporation
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Dec. 31, 2010
Versabuild, LLC
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| Revenue, Major Customer [Line Items] | ||||||
| Revenue from major customer | $ 192,370 | $ 63,769 | $ 124,841 | $ 38,497 | $ 27,858 | $ 27,407 |
| X | ||||||||||
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- Definition
Amount of revenue generated from a single external customer that accounts for 10 percent or more of an entity's revenues. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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