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Business Segment Information - Financial Data By Reportable Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | $ 199,147 | $ 201,728 | $ 380,168 | $ 368,551
Income (loss) from operations | 14,194 | 23,072 | (6,833) | 23,341
Goodwill impairment | 0 | 0 | (6,689) | 0
Reportable Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Income (loss) from operations | 22,904 | 34,073 | 18,031 | 44,215
Intercompany Eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | (11,123) | (18,413) | (21,553) | (28,115)
Corporate, Eliminations and Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Income (loss) from operations | (8,710) | (11,001) | (18,175) | (20,874)
Well Intervention |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | 145,841 | 159,074 | 286,493 | 281,305
Goodwill impairment |  |  | (6,689) |
Well Intervention | Reportable Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | 145,841 | 159,074 | 286,493 | 281,305
Income (loss) from operations | 11,758 | 26,672 | 6,066 | 36,313
Well Intervention | Intercompany Eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | (3,910) | (9,812) | (7,214) | (13,037)
Robotics |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | 50,836 | 45,446 | 86,094 | 84,487
Robotics | Reportable Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | 50,836 | 45,446 | 86,094 | 84,487
Income (loss) from operations | 7,781 | 2,949 | 4,957 | (955)
Robotics | Intercompany Eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | (7,213) | (8,601) | (14,339) | (15,078)
Production Facilities |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | 13,593 | 15,621 | 29,134 | 30,874
Production Facilities | Reportable Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | 13,593 | 15,621 | 29,134 | 30,874
Income (loss) from operations | $ 3,365 | $ 4,452 | $ 7,008 | $ 8,857

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