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Segment Information - Financial Information with Respect to Reportable Segments (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Revenue from External Customer [Line Items] |  |
Total revenue | $ 110,731 | $ 153,486
Operating income (loss) | (36,610) | (2,882)
Adjusted EBITDA | 1,536 | 33,663
Operating segments | International Services |  |
Revenue from External Customer [Line Items] |  |
Total revenue | 46,610 | 83,063
Operating income (loss) | (9,513) | 14,293
Adjusted EBITDA | 5,286 | 31,379
Operating segments | U.S. Services |  |
Revenue from External Customer [Line Items] |  |
Total revenue | 30,966 | 48,779
Operating income (loss) | (23,347) | (15,658)
Adjusted EBITDA | (7,215) | 2,730
Operating segments | Tubular Sales |  |
Revenue from External Customer [Line Items] |  |
Total revenue | 16,945 | 21,644
Operating income (loss) | 2,380 | (1,517)
Adjusted EBITDA | 2,254 | (446)
Operating segments | Blackhawk |  |
Revenue from External Customer [Line Items] |  |
Total revenue | 16,210 |
Operating income (loss) | (6,130) |
Adjusted EBITDA | 1,211 | 0
Eliminations |  |
Revenue from External Customer [Line Items] |  |
Total revenue | (7,963) | (9,792)
Eliminations | International Services |  |
Revenue from External Customer [Line Items] |  |
Total revenue | 3 | 17
Eliminations | U.S. Services |  |
Revenue from External Customer [Line Items] |  |
Total revenue | 4,285 | 4,110
Eliminations | Tubular Sales |  |
Revenue from External Customer [Line Items] |  |
Total revenue | $ 3,675 | $ 5,665

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