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Business Segment Information - Financial Data By Reportable Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | $ 161,941 | $ 199,147 | $ 325,356 | $ 380,168
Goodwill impairment |  |  |  | (6,689)
Income from operations | (10,941) | 14,194 | (11,496) | (6,833)
Reportable Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Income from operations | (1,782) | 22,904 | 7,041 | 18,031
Intercompany Eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | (16,233) | (11,123) | (25,189) | (21,553)
Corporate, Eliminations and Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Income from operations | (9,159) | (8,710) | (18,537) | (18,175)
Well Intervention |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | 132,305 | 145,841 | 266,073 | 286,493
Well Intervention | Reportable Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | 132,305 | 145,841 | 266,073 | 286,493
Income from operations | (6,719) | 11,758 | (1,476) | 6,066
Well Intervention | Intercompany Eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | (10,206) | (3,910) | (12,793) | (7,214)
Robotics |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | 31,651 | 50,836 | 53,807 | 86,094
Robotics | Reportable Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | 31,651 | 50,836 | 53,807 | 86,094
Income from operations | 255 | 7,781 | (2,679) | 4,957
Robotics | Intercompany Eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | (6,027) | (7,213) | (12,396) | (14,339)
Production Facilities |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | 14,218 | 13,593 | 30,665 | 29,134
Production Facilities | Reportable Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | 14,218 | 13,593 | 30,665 | 29,134
Income from operations | $ 4,682 | $ 3,365 | $ 11,196 | $ 7,008

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