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Business Segment Information - Measure of segment profit or loss (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Segment Reporting Information [Line Items] |  |  |
Total Revenue | $ 1,358,560 | $ 1,289,728 | $ 873,100
Less: |  |  |
Direct cost of revenues | (1,138,996) | (1,089,372) | (822,484)
Selling, general and administrative expenses | (91,650) | (94,427) | (76,753)
Other segment items | 479 | (367) |
Income (loss) from operations | 127,435 | 63,510 | (44,855)
Reportable Segments |  |  |
Less: |  |  |
Income (loss) from operations | 182,565 | 171,920 | 26,310
Intercompany Eliminations |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenue | (44,668) | (38,704) | (34,277)
Reportable Segment, Aggregation before Other Operating Segment |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenue | 1,358,560 | 1,289,728 | 873,100
Reportable Segment, Aggregation before Other Operating Segment | Reportable Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenue | 1,403,228 | 1,328,432 | 907,377
Reportable Segment, Aggregation before Other Operating Segment | Intercompany Eliminations |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenue | 44,668 | 38,704 | 34,277
Well Intervention |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenue | 823,472 | 704,365 | 507,696
Well Intervention | Reportable Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenue | 829,862 | 707,718 | 508,331
Less: |  |  |
Direct cost of revenues | (704,120) | (646,127) | (536,923)
Operations support | (15,130) | (14,427) | (11,515)
Selling, general and administrative expenses | (16,991) | (14,766) | (12,949)
Other segment items | (416) |  |
Income (loss) from operations | 93,205 | 32,398 | (53,056)
Well Intervention | Intercompany Eliminations |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenue | 6,390 | 3,353 | 635
Well Intervention | Material reconciling |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenue | (27,600) | (25,000) | (15,900)
Robotics |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenue | 259,639 | 222,612 | 158,279
Robotics | Reportable Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenue | 297,678 | 257,875 | 191,921
Less: |  |  |
Direct cost of revenues | (203,849) | (192,419) | (150,020)
Operations support | (5,542) | (4,838) | (4,394)
Selling, general and administrative expenses | (10,944) | (8,468) | (7,526)
Other segment items |  | 300 |
Income (loss) from operations | 77,343 | 52,450 | 29,981
Robotics | Intercompany Eliminations |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenue | 38,039 | 35,263 | 33,642
Shallow Water Abandonment |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenue | 186,740 | 274,866 | 124,810
Shallow Water Abandonment | Reportable Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenue | 186,979 | 274,954 | 124,810
Less: |  |  |
Direct cost of revenues | (175,111) | (186,873) | (92,036)
Operations support | (12,645) | (16,820) | (8,855)
Selling, general and administrative expenses | (8,396) | (5,088) | (1,735)
Other segment items | (150) | 67 |
Income (loss) from operations | (9,323) | 66,240 | 22,184
Shallow Water Abandonment | Intercompany Eliminations |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenue | 239 | 88 |
Production Facilities |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenue | 88,709 | 87,885 | 82,315
Production Facilities | Reportable Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenue | 88,709 | 87,885 | 82,315
Less: |  |  |
Direct cost of revenues | (64,429) | (63,785) | (51,165)
Operations support | (514) | (606) | (484)
Selling, general and administrative expenses | (2,513) | (2,662) | (3,465)
Other segment items | 87 |  |
Income (loss) from operations | $ 21,340 | $ 20,832 | $ 27,201

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