Revenue Recognition - Revenues From Contracts With Customers (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating Segments
Disaggregation Of Revenue [Line Items]
Revenues	$ 110,297	$ 90,865
Subsea Products | Operating Segments
Disaggregation Of Revenue [Line Items]
Revenues	35,332	46,117
Well construction | Operating Segments
Disaggregation Of Revenue [Line Items]
Revenues	29,230	13,129
Products
Disaggregation Of Revenue [Line Items]
Revenues	64,562	59,246
Products | Operating Segments
Disaggregation Of Revenue [Line Items]
Revenues	64,562	59,246
Subsea Services | Operating Segments
Disaggregation Of Revenue [Line Items]
Revenues	16,723	16,487
Well Construction Services | Operating Segments
Disaggregation Of Revenue [Line Items]
Revenues	13,464	4,794
Total Services | Operating Segments
Disaggregation Of Revenue [Line Items]
Revenues	30,187	21,281
Subsea Leasing | Operating Segments
Disaggregation Of Revenue [Line Items]
Revenues	7,856	7,409
Well Construction Leasing | Operating Segments
Disaggregation Of Revenue [Line Items]
Revenues	7,692	2,929
Leasing | Operating Segments
Disaggregation Of Revenue [Line Items]
Revenues	$ 15,548	$ 10,338