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Segment Information - Financial Information with Respect to Reportable Segments (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Revenue from External Customer [Line Items] |  |  |  |
Revenue | $ 108,083 | $ 105,114 | $ 336,473 | $ 379,546
Operating loss | (35,080) | (48,932) | (105,656) | (102,492)
International Services |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenue | 53,742 | 51,028 | 153,851 | 191,440
U.S. Services |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenue | 29,065 | 34,057 | 89,936 | 119,955
Tubular Sales |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenue | 7,701 | 20,029 | 40,787 | 68,151
Blackhawk |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenue | 17,575 | 0 | 51,899 | 0
Eliminations |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenue | (7,209) | (8,676) | (23,363) | (26,789)
Eliminations | International Services |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenue | 3 | (1) | 18 | 45
Eliminations | U.S. Services |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenue | 4,062 | 3,641 | 12,890 | 11,691
Eliminations | Tubular Sales |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenue | 3,111 | 5,036 | 10,350 | 15,053
Eliminations | Blackhawk |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenue | 33 | 0 | 105 | 0
Operating segments |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Operating loss | (35,080) | (48,932) | (105,656) | (102,492)
Adjusted EBITDA | 1,973 | (1,298) | 7,073 | 20,077
Operating segments | International Services |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Operating loss | (2,647) | (17,697) | (19,140) | (25,834)
Adjusted EBITDA | 11,151 | 4,532 | 25,459 | 31,752
Operating segments | U.S. Services |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Operating loss | (25,453) | (30,415) | (73,092) | (74,722)
Adjusted EBITDA | (11,322) | (5,995) | (27,775) | (13,018)
Operating segments | Tubular Sales |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Operating loss | (3,967) | (820) | (782) | (1,936)
Adjusted EBITDA | (1,333) | 165 | 1,736 | 1,343
Operating segments | Blackhawk |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Operating loss | (3,013) | 0 | (12,642) | 0
Adjusted EBITDA | $ 3,477 | 0 | $ 7,653 | 0
As previously reported | Corporate, Non-Segment |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Adjusted EBITDA |  | $ 159 |  | $ 361

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