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Segment Information - Reconciliation of Adjusted Earnings before Interest, Taxes, Depreciation, and Amortization from Segments to Consolidated (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Adjusted EBITDA $ 10,953 $ 3,564 $ 8,794 $ 5,100
Interest income, net 609 753 1,553 1,151
Depreciation and amortization (28,862) (30,951) (57,162) (62,050)
Income tax (expense) benefit 815 6,076 (5,560) 15,194
Gain (loss) on disposal of assets (217) (210) (452) 1,262
Foreign currency gain (loss) (4,267) 599 (2,563) 1,345
TRA related adjustments (1,171) 0 (4,112) 0
Charges and credits (3,623) (5,781) (8,334) (14,615)
Net loss (25,763) (25,950) (67,836) (52,613)
Equity-based compensation expense 2,888 3,415 5,168 9,116
Merger and acquisition expense 0 10 58 459
Severance and other charges 1,115 (299) 2,369 738
Unrealized and realized gains (losses) 1,561 (1,088) 1,161 (1,696)
Investigation-related matters 1,181 1,567 1,900 2,606
Operating Segments | International Services        
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Adjusted EBITDA 13,458 9,022 16,046 14,308
Operating Segments | U.S. Services        
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Adjusted EBITDA (6,379) (9,238) (15,680) (16,453)
Operating Segments | Tubular Sales        
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Adjusted EBITDA 170 815 2,358 3,069
Operating Segments | Blackhawk        
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Adjusted EBITDA $ 3,704 $ 2,965 $ 6,070 $ 4,176