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Segment Information - Financial Information with Respect to Reportable Segments (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Revenue from External Customer [Line Items] |  |  |  |
Total revenue | $ 120,946 | $ 254,304 | $ 274,432 | $ 531,741
Adjusted EBITDA | (13,673) | 80,034 | 18,100 | 180,379
Operating segments | International Services |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Total revenue | 57,350 | 122,640 | 140,412 | 246,841
Adjusted EBITDA | (4,159) | 55,311 | 27,220 | 107,596
Operating segments | U.S. Services |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Total revenue | 37,118 | 78,418 | 85,898 | 187,704
Adjusted EBITDA | (11,318) | 16,714 | (10,500) | 61,662
Operating segments | Tubular Sales |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Total revenue | 26,478 | 53,246 | 48,122 | 97,196
Adjusted EBITDA | 1,624 | 7,978 | 1,178 | 11,097
Inter-segment |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Total revenue | (8,320) | (17,417) | (18,112) | (37,599)
Inter-segment | International Services |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Total revenue | 29 | 229 | 45 | 606
Inter-segment | U.S. Services |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Total revenue | 3,940 | 6,644 | 8,050 | 14,558
Inter-segment | Tubular Sales |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Total revenue | 4,351 | 10,544 | 10,017 | 22,435
Corporate and Other |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Adjusted EBITDA | $ 180 | $ 31 | $ 202 | $ 24

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