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Business Segment Information (Tables) | 9 Months Ended
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Sep. 30, 2023
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,
​ |  | 2023 |  | 2022 | ​ | 2023 |  | 2022
Net revenues — |  | ​ |  |  | ​ |  | ​ | ​ |  |  | ​ |
Well Intervention | ​ | $ | 225,367 | ​ | $ | 143,925 | ​ | $ | 522,026 | ​ | $ | 356,583
Robotics | ​ |  | 75,646 | ​ |  | 56,182 | ​ |  | 194,918 | ​ |  | 143,383
Shallow Water Abandonment | ​ | ​ | 87,272 | ​ | ​ | 67,401 | ​ | ​ | 212,959 | ​ | ​ | 67,401
Production Facilities | ​ |  | 24,469 | ​ |  | 18,448 | ​ |  | 68,502 | ​ |  | 54,420
Intercompany eliminations | ​ |  | (17,084) | ​ |  | (13,409) | ​ |  | (43,834) | ​ |  | (36,503)
Total | ​ | $ | 395,670 | ​ | $ | 272,547 | ​ | $ | 954,571 | ​ | $ | 585,284
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Income (loss) from operations — | ​ |  | ​ | ​ |  |  | ​ |  |  | ​ |  |
Well Intervention | ​ | $ | 16,120 | ​ | $ | (1,304) | ​ | $ | 11,357 | ​ | $ | (55,610)
Robotics | ​ |  | 20,665 | ​ |  | 11,708 | ​ |  | 43,226 | ​ |  | 22,854
Shallow Water Abandonment | ​ | ​ | 27,624 | ​ | ​ | 16,320 | ​ | ​ | 54,208 | ​ | ​ | 16,320
Production Facilities | ​ |  | 8,886 | ​ |  | 6,068 | ​ |  | 21,817 | ​ |  | 17,964
Segment operating income (loss) | ​ |  | 73,295 | ​ |  | 32,792 | ​ |  | 130,608 | ​ |  | 1,528
Change in fair value of contingent consideration | ​ | ​ | (16,499) | ​ | ​ | — | ​ | ​ | (31,319) | ​ | ​ | —
Corporate, eliminations and other | ​ |  | (20,568) | ​ |  | (20,566) | ​ |  | (51,159) | ​ |  | (41,255)
Total | ​ | $ | 36,228 | ​ | $ | 12,226 | ​ | $ | 48,130 | ​ | $ | (39,727)
Schedule of intercompany segment revenues | Intercompany segment revenues are as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Nine Months Ended
​ | ​ | September 30, | ​ | September 30,
​ |  | 2023 |  | 2022 |  | 2023 |  | 2022
Well Intervention | ​ | $ | 6,832 | ​ | $ | 4,303 | ​ | $ | 18,174 | ​ | $ | 12,046
Robotics | ​ |  | 10,252 | ​ |  | 8,971 | ​ |  | 25,634 | ​ |  | 24,322
Shallow Water Abandonment | ​ |  | — | ​ |  | 135 | ​ |  | 26 | ​ |  | 135
Total | ​ | $ | 17,084 | ​ | $ | 13,409 | ​ | $ | 43,834 | ​ | $ | 36,503
Schedule of total assets by reportable segment | The following table reflects total assets by reportable segment (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, | ​ | December 31,
​ |  | 2023 |  | 2022
Well Intervention | ​ | $ | 1,828,452 | ​ | $ | 1,796,269
Robotics | ​ |  | 190,092 | ​ |  | 192,694
Shallow Water Abandonment | ​ | ​ | 247,317 | ​ | ​ | 206,944
Production Facilities | ​ |  | 119,674 | ​ |  | 136,382
Corporate and other | ​ |  | 49,217 | ​ |  | 57,049
Total | ​ | $ | 2,434,752 | ​ | $ | 2,389,338
​

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-25 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-30 + Details
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