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Business Segment Information (Tables) | 9 Months Ended
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Sep. 30, 2024
Segment Reporting [Abstract] |
Schedule of financial data by reportable segment | Certain financial data by reportable segment are summarized as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Nine Months Ended
​ | ​ | September 30, | ​ | September 30,
​ |  | 2024 |  | 2023 | ​ | 2024 |  | 2023
Net revenues — |  | ​ |  |  | ​ |  | ​ | ​ |  |  | ​ |
Well Intervention | ​ | $ | 182,667 | ​ | $ | 225,367 | ​ | $ | 623,805 | ​ | $ | 522,026
Robotics | ​ |  | 84,526 | ​ |  | 75,646 | ​ |  | 216,084 | ​ |  | 194,918
Shallow Water Abandonment | ​ | ​ | 71,595 | ​ | ​ | 87,272 | ​ | ​ | 149,289 | ​ | ​ | 212,959
Production Facilities | ​ |  | 20,695 | ​ |  | 24,469 | ​ |  | 70,247 | ​ |  | 68,502
Intercompany eliminations | ​ |  | (17,064) | ​ |  | (17,084) | ​ |  | (55,998) | ​ |  | (43,834)
Total | ​ | $ | 342,419 | ​ | $ | 395,670 | ​ | $ | 1,003,427 | ​ | $ | 954,571
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Income (loss) from operations — | ​ |  | ​ | ​ |  |  | ​ |  |  | ​ |  |
Well Intervention | ​ | $ | 16,109 | ​ | $ | 16,120 | ​ | $ | 64,087 | ​ | $ | 11,357
Robotics | ​ |  | 24,158 | ​ |  | 20,665 | ​ |  | 58,008 | ​ |  | 43,226
Shallow Water Abandonment | ​ | ​ | 8,808 | ​ | ​ | 27,624 | ​ | ​ | (3,901) | ​ | ​ | 54,208
Production Facilities | ​ |  | 8,288 | ​ |  | 8,886 | ​ |  | 15,842 | ​ |  | 21,817
Segment operating income | ​ |  | 57,363 | ​ |  | 73,295 | ​ |  | 134,036 | ​ |  | 130,608
Change in fair value of contingent consideration | ​ | ​ | — | ​ | ​ | (16,499) | ​ | ​ | — | ​ | ​ | (31,319)
Corporate, eliminations and other | ​ |  | (12,723) | ​ |  | (20,568) | ​ |  | (37,479) | ​ |  | (51,159)
Total | ​ | $ | 44,640 | ​ | $ | 36,228 | ​ | $ | 96,557 | ​ | $ | 48,130
Net interest expense | ​ | ​ | (5,689) | ​ | ​ | (4,152) | ​ | ​ | (17,057) | ​ | ​ | (12,567)
Losses related to convertible senior notes | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (20,922) | ​ | ​ | —
Other non-operating expense, net | ​ | ​ | 83 | ​ | ​ | (8,179) | ​ | ​ | (515) | ​ | ​ | (8,437)
Income before income taxes | ​ | $ | 39,034 | ​ | $ | 23,897 | ​ | $ | 58,063 | ​ | $ | 27,126
Schedule of intercompany segment revenues | Intercompany segment revenues are as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Nine Months Ended
​ | ​ | September 30, | ​ | September 30,
​ |  | 2024 |  | 2023 |  | 2024 |  | 2023
Well Intervention | ​ | $ | 8,054 | ​ | $ | 6,832 | ​ | $ | 26,224 | ​ | $ | 18,174
Robotics | ​ |  | 8,972 | ​ |  | 10,252 | ​ |  | 29,548 | ​ |  | 25,634
Shallow Water Abandonment | ​ |  | 38 | ​ |  | — | ​ |  | 226 | ​ |  | 26
Total | ​ | $ | 17,064 | ​ | $ | 17,084 | ​ | $ | 55,998 | ​ | $ | 43,834
Schedule of total assets by reportable segment | The following table reflects total assets by reportable segment (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, | ​ | December 31,
​ |  | 2024 |  | 2023
Well Intervention | ​ | $ | 1,926,350 | ​ | $ | 1,790,971
Robotics | ​ |  | 216,369 | ​ |  | 177,801
Shallow Water Abandonment | ​ | ​ | 201,143 | ​ | ​ | 256,356
Production Facilities | ​ |  | 107,874 | ​ |  | 120,234
Corporate and other | ​ |  | 209,413 | ​ |  | 210,674
Total | ​ | $ | 2,661,149 | ​ | $ | 2,556,036
​

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