Revenue From Contracts With Customers - Disaggregation Of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation of Revenue [Line Items]
Net revenues	$ 162,612	$ 161,941	$ 312,737	$ 325,356
Intercompany Eliminations
Disaggregation of Revenue [Line Items]
Net revenues	(11,207)	(16,233)	(23,094)	(25,189)
Well Intervention
Disaggregation of Revenue [Line Items]
Net revenues	106,291	132,305	212,658	266,073
Well Intervention | Intercompany Eliminations
Disaggregation of Revenue [Line Items]
Net revenues	(3,893)	(10,206)	(7,743)	(12,793)
Robotics
Disaggregation of Revenue [Line Items]
Net revenues	49,850	31,651	87,201	53,807
Robotics | Intercompany Eliminations
Disaggregation of Revenue [Line Items]
Net revenues	(7,314)	(6,027)	(15,351)	(12,396)
Production Facilities
Disaggregation of Revenue [Line Items]
Net revenues	17,678	14,218	35,972	30,665
Short-term
Disaggregation of Revenue [Line Items]
Net revenues	111,900	97,681	223,748	156,305
Short-term | Intercompany Eliminations
Disaggregation of Revenue [Line Items]
Net revenues			(635)
Short-term | Well Intervention
Disaggregation of Revenue [Line Items]
Net revenues	86,048	76,669	177,394	125,886
Short-term | Robotics
Disaggregation of Revenue [Line Items]
Net revenues	25,852	21,012	46,989	30,419
Long-term
Disaggregation of Revenue [Line Items]
Net revenues	50,712	64,260	88,989	169,051
Long-term | Intercompany Eliminations
Disaggregation of Revenue [Line Items]
Net revenues	(11,207)	(16,233)	(22,459)	(25,189)
Long-term | Well Intervention
Disaggregation of Revenue [Line Items]
Net revenues	20,243	55,636	35,264	140,187
Long-term | Robotics
Disaggregation of Revenue [Line Items]
Net revenues	23,998	10,639	40,212	23,388
Long-term | Production Facilities
Disaggregation of Revenue [Line Items]
Net revenues	$ 17,678	$ 14,218	$ 35,972	$ 30,665