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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, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Revenue from External Customer [Line Items]        
Revenue $ 132,085 $ 117,659 $ 247,654 $ 228,390
Operating income (loss) (23,782) (33,966) (58,689) (70,576)
Adjusted EBITDA 10,953 3,564 8,794 5,100
Operating Segments | International Services        
Revenue from External Customer [Line Items]        
Revenue 59,361 53,499 108,094 100,109
Operating income (loss) (2,052) (6,980) (13,773) (16,493)
Adjusted EBITDA 13,458 9,022 16,046 14,308
Operating Segments | U.S. Services        
Revenue from External Customer [Line Items]        
Revenue 35,136 29,905 67,743 60,871
Operating income (loss) (19,920) (24,292) (41,900) (47,639)
Adjusted EBITDA (6,379) (9,238) (15,680) (16,453)
Operating Segments | Tubular Sales        
Revenue from External Customer [Line Items]        
Revenue 14,061 16,141 29,281 33,086
Operating income (loss) (829) 805 436 3,185
Adjusted EBITDA 170 815 2,358 3,069
Operating Segments | Blackhawk        
Revenue from External Customer [Line Items]        
Revenue 23,527 18,114 42,536 34,324
Operating income (loss) (981) (3,499) (3,452) (9,629)
Adjusted EBITDA 3,704 2,965 6,070 4,176
Eliminations        
Revenue from External Customer [Line Items]        
Revenue (5,023) (8,191) (9,523) (16,154)
Eliminations | International Services        
Revenue from External Customer [Line Items]        
Revenue (56) 12 (79) 15
Eliminations | U.S. Services        
Revenue from External Customer [Line Items]        
Revenue 4,639 4,543 8,855 8,828
Eliminations | Tubular Sales        
Revenue from External Customer [Line Items]        
Revenue 96 3,564 193 7,239
Eliminations | Blackhawk        
Revenue from External Customer [Line Items]        
Revenue $ 344 $ 72 $ 554 $ 72