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Business Segment Information - Financial Data By Reportable Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | $ 180,716 | $ 193,490 | $ 506,072 | $ 573,658
Goodwill impairment |  |  |  | (6,689)
Income from operations | (10,331) | 19,015 | (21,827) | 12,182
Reportable Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Income from operations | (3,318) | 29,961 | 3,723 | 47,992
Intercompany Eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | (11,773) | (11,282) | (36,962) | (32,835)
Corporate, Eliminations and Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Income from operations | (7,013) | (10,946) | (25,550) | (29,121)
Well Intervention |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | 131,314 | 140,803 | 397,387 | 427,296
Well Intervention | Reportable Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | 131,314 | 140,803 | 397,387 | 427,296
Income from operations | (13,343) | 18,844 | (14,819) | 24,910
Well Intervention | Intercompany Eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | (4,267) | (4,120) | (17,060) | (11,334)
Robotics |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | 42,623 | 49,802 | 96,430 | 135,896
Robotics | Reportable Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | 42,623 | 49,802 | 96,430 | 135,896
Income from operations | 4,936 | 6,983 | 2,257 | 11,940
Robotics | Intercompany Eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | (7,506) | (7,162) | (19,902) | (21,501)
Production Facilities |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | 18,552 | 14,167 | 49,217 | 43,301
Production Facilities | Reportable Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | 18,552 | 14,167 | 49,217 | 43,301
Income from operations | $ 5,089 | $ 4,134 | $ 16,285 | $ 11,142

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