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Segments - Additional Information (Detail)
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12 Months Ended |
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Dec. 31, 2013
Customer
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Dec. 31, 2012
Customer
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Dec. 31, 2011
Customer
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Number of Customers
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| Segment Reporting Information [Line Items] |
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| Number of customers |
3 |
3 |
1 |
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Customer Concentration Risk | Number of Customers
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| Segment Reporting Information [Line Items] |
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| Concentration risk percentage |
40.00% |
39.00% |
25.00% |
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Credit Concentration Risk | Number of Customers
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| Segment Reporting Information [Line Items] |
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| Concentration risk percentage |
31.00% |
34.00% |
29.00% |
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Shale Solutions
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| Segment Reporting Information [Line Items] |
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| Number of customers |
3 |
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| Number of operating divisions announced related to strategic restructuring in fourth quarter of 2013 |
3 |
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Shale Solutions | Customer Concentration Risk
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| Segment Reporting Information [Line Items] |
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| Concentration risk percentage |
11.00% |
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Shale Solutions | Customer Concentration Risk | Number of Customers
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| Segment Reporting Information [Line Items] |
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| Concentration risk percentage |
40.00% |
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Shale Solutions | Credit Concentration Risk
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| Segment Reporting Information [Line Items] |
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| Concentration risk percentage |
7.00% |
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Shale Solutions | Credit Concentration Risk | Number of Customers
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| Segment Reporting Information [Line Items] |
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| Concentration risk percentage |
31.00% |
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