Property And Equipment (Tables)

12 Months Ended

Dec. 31, 2022

Property, Plant and Equipment [Abstract]

Summary of gross components of property and equipment

The following is a summary of the gross components of property and equipment (dollars in thousands):

		December 31,
	Estimated Useful Life	2022		2021
Vessels	15 to 30 years	$	2,371,084	$	2,343,162
ROVs and trenchers	5 to 10 years		262,763		257,274
Machinery, equipment, buildings and other	5 to 39 years		382,465		337,718
Total property and equipment		$	3,016,312	$	2,938,154