Business Segment Information - Financial Data By Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Business Segment Information
Net revenues	$ 250,084	$ 150,125
Change in fair value of contingent consideration	(3,992)
Income (loss) from operations	(8,303)	(32,977)
Reportable Segments
Business Segment Information
Income (loss) from operations	8,930	(24,427)
Intercompany Eliminations
Business Segment Information
Net revenues	(11,862)	(11,887)
Corporate, Eliminations and Other
Business Segment Information
Income (loss) from operations	(13,241)	(8,550)
Well Intervention | Reportable Segments
Business Segment Information
Net revenues	142,438	106,367
Income (loss) from operations	(8,143)	(31,758)
Well Intervention | Intercompany Eliminations
Business Segment Information
Net revenues	(4,469)	(3,850)
Robotics | Reportable Segments
Business Segment Information
Net revenues	49,222	37,351
Income (loss) from operations	5,094	1,480
Robotics | Intercompany Eliminations
Business Segment Information
Net revenues	(7,393)	(8,037)
Shallow Water Abandonment | Reportable Segments
Business Segment Information
Net revenues	49,381
Income (loss) from operations	6,822
Production Facilities | Reportable Segments
Business Segment Information
Net revenues	20,905	18,294
Income (loss) from operations	$ 5,157	$ 5,851