Business Segment Information - Financial Data By Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Business Segment Information
Net revenues	$ 395,670	$ 272,547	$ 954,571	$ 585,284
Change in fair value of contingent consideration	(16,499)	(2,664)	(31,319)	(2,664)
Income (loss) from operations	36,228	12,226	48,130	(39,727)
Reportable Segments
Business Segment Information
Income (loss) from operations	73,295	32,792	130,608	1,528
Intercompany Eliminations
Business Segment Information
Net revenues	(17,084)	(13,409)	(43,834)	(36,503)
Corporate, Eliminations and Other
Business Segment Information
Income (loss) from operations	(20,568)	(20,566)	(51,159)	(41,255)
Well Intervention | Reportable Segments
Business Segment Information
Net revenues	225,367	143,925	522,026	356,583
Income (loss) from operations	16,120	(1,304)	11,357	(55,610)
Well Intervention | Intercompany Eliminations
Business Segment Information
Net revenues	(6,832)	(4,303)	(18,174)	(12,046)
Robotics | Reportable Segments
Business Segment Information
Net revenues	75,646	56,182	194,918	143,383
Income (loss) from operations	20,665	11,708	43,226	22,854
Robotics | Intercompany Eliminations
Business Segment Information
Net revenues	(10,252)	(8,971)	(25,634)	(24,322)
Shallow Water Abandonment | Reportable Segments
Business Segment Information
Net revenues	87,272	67,401	212,959	67,401
Income (loss) from operations	27,624	16,320	54,208	16,320
Shallow Water Abandonment | Intercompany Eliminations
Business Segment Information
Net revenues		(135)	(26)	(135)
Production Facilities | Reportable Segments
Business Segment Information
Net revenues	24,469	18,448	68,502	54,420
Income (loss) from operations	$ 8,886	$ 6,068	$ 21,817	$ 17,964