Business Segment Information - Items Provided to CODM (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Business Segment Information
Capital expenditures	$ 23,303	$ 19,588	$ 33,504
Depreciation and amortization	173,292	164,116	142,686
Corporate, eliminations and other
Business Segment Information
Capital expenditures	543	978	1,176
Depreciation and amortization	432	309	(167)
Well Intervention | Reportable Segments
Business Segment Information
Capital expenditures	10,955	7,763	17,617
Depreciation and amortization	123,517	113,025	103,952
Robotics | Reportable Segments
Business Segment Information
Capital expenditures	10,402	3,957	15,603
Depreciation and amortization	7,601	9,604	12,209
Shallow Water Abandonment | Reportable Segments
Business Segment Information
Capital expenditures	1,403	6,890	532
Depreciation and amortization	20,463	20,150	8,172
Production Facilities | Reportable Segments
Business Segment Information
Capital expenditures			(1,424)
Depreciation and amortization	$ 21,279	$ 21,028	$ 18,520