Revenue Recognition - Revenues From Contracts With Customers (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Subsea Products | Operating Segments
Disaggregation Of Revenue [Line Items]
Revenues	$ 55,427	$ 48,480	$ 146,123	$ 144,229
Well construction | Operating Segments
Disaggregation Of Revenue [Line Items]
Revenues	22,176	10,028	46,554	31,900
Products
Disaggregation Of Revenue [Line Items]
Revenues	77,603	58,508	192,677	176,129
Products | Operating Segments
Disaggregation Of Revenue [Line Items]
Revenues	77,603	58,508	192,677	176,129
Subsea Services | Operating Segments
Disaggregation Of Revenue [Line Items]
Revenues	17,412	15,806	50,230	43,748
Well construction services. | Operating Segments
Disaggregation Of Revenue [Line Items]
Revenues	9,802	4,637	21,998	13,790
Services | Operating Segments
Disaggregation Of Revenue [Line Items]
Revenues	$ 27,214	$ 20,443	$ 72,228	$ 57,538