XML 44 R30.htm IDEA: XBRL DOCUMENT v3.24.0.1
Property And Equipment (Tables)
12 Months Ended
Dec. 31, 2023
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

    

2023

    

2022

Vessels

 

15 to 30 years

$

2,406,089

$

2,371,084

Systems and equipment

5 to 15 years

337,913

306,316

ROVs and trenchers

 

5 to 10 years

 

252,753

 

262,763

Buildings and other

 

5 to 39 years

 

81,816

 

76,149

Total property and equipment

$

3,078,571

$

3,016,312