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Reportable Segments - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
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Sep. 30, 2014
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Sep. 30, 2013
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Sep. 30, 2014
segment
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Sep. 30, 2013
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| Segment Information [Line Items] | ||||
| Number of Reportable Segments | 5 | |||
| Change in fair value of derivative positions | $ 0 | $ 0 | $ 0 | $ 54 |
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Exxon Neftegas Limited [Member]
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| Segment Information [Line Items] | ||||
| Percentage of revenue from major customer | 20.00% | 14.30% | ||
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Exxon Neftegas Limited [Member] | International Drilling [Member]
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| Segment Information [Line Items] | ||||
| Percentage of revenue from major customer | 43.00% | |||
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Exxon Neftegas Limited [Member] | Technical Services [Member]
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| Segment Information [Line Items] | ||||
| Percentage of revenue from major customer | 68.00% | |||
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- Details
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- Definition
For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. No definition available.
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