Business Segment Information - Financial Data By Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information [Line Items]
Net revenues	$ 150,125	$ 163,415
Income (loss) from operations	(32,977)	(555)
Reportable Segments
Segment Reporting Information [Line Items]
Income (loss) from operations	(24,427)	8,823
Intercompany Eliminations
Segment Reporting Information [Line Items]
Net revenues	(11,887)	(8,956)
Corporate, Eliminations and Other
Segment Reporting Information [Line Items]
Income (loss) from operations	(8,550)	(9,378)
Well Intervention
Segment Reporting Information [Line Items]
Net revenues	106,367	133,768
Well Intervention | Reportable Segments
Segment Reporting Information [Line Items]
Net revenues	106,367	133,768
Income (loss) from operations	(31,758)	5,243
Well Intervention | Intercompany Eliminations
Segment Reporting Information [Line Items]
Net revenues	(3,850)	(2,587)
Robotics
Segment Reporting Information [Line Items]
Net revenues	37,351	22,156
Robotics | Reportable Segments
Segment Reporting Information [Line Items]
Net revenues	37,351	22,156
Income (loss) from operations	1,480	(2,934)
Robotics | Intercompany Eliminations
Segment Reporting Information [Line Items]
Net revenues	(8,037)	(6,369)
Production Facilities
Segment Reporting Information [Line Items]
Net revenues	18,294	16,447
Production Facilities | Reportable Segments
Segment Reporting Information [Line Items]
Net revenues	18,294	16,447
Income (loss) from operations	$ 5,851	$ 6,514