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Revenue Recognition - Revenues From Contracts With Customers (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Subsea Products | Operating Segments
Disaggregation Of Revenue [Line Items]
Revenues	$ 44,579	$ 49,466	$ 90,696	$ 95,749
Well construction | Operating Segments
Disaggregation Of Revenue [Line Items]
Revenues	11,249	12,513	24,378	21,872
Products
Disaggregation Of Revenue [Line Items]
Revenues	55,828	61,979	115,074	117,621
Products | Operating Segments
Disaggregation Of Revenue [Line Items]
Revenues	55,828	61,979	115,074	117,621
Subsea Services | Operating Segments
Disaggregation Of Revenue [Line Items]
Revenues	16,333	14,785	32,818	27,942
Well construction services. | Operating Segments
Disaggregation Of Revenue [Line Items]
Revenues	7,400	4,811	12,196	9,153
Services | Operating Segments
Disaggregation Of Revenue [Line Items]
Revenues	$ 23,733	$ 19,596	$ 45,014	$ 37,095

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