Quarterly report [Sections 13 or 15(d)]

SEGMENTS - Schedule of Capital expenditures by segment And Long lived assets by operating segments (Details)

v3.25.3
SEGMENTS - Schedule of Capital expenditures by segment And Long lived assets by operating segments (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Segment Reporting Information [Line Items]          
Total capital expenditures $ 29,216 $ 56,987 $ 112,893 $ 171,903  
Total long-lived assets 1,396,770   1,396,770   $ 1,340,491
Construction-in-progress          
Segment Reporting Information [Line Items]          
Total long-lived assets 205,172   205,172   244,181
Total Segment          
Segment Reporting Information [Line Items]          
Total long-lived assets 1,189,284   1,189,284   1,093,154
Offshore Energy Services          
Segment Reporting Information [Line Items]          
Total capital expenditures 2,643 12,752 30,984 34,917  
Total long-lived assets 580,153   580,153   596,687
Government Services          
Segment Reporting Information [Line Items]          
Total capital expenditures 25,038 42,731 76,192 130,888  
Total long-lived assets 551,210   551,210   433,721
Other Services          
Segment Reporting Information [Line Items]          
Total capital expenditures 1,535 $ 1,504 5,717 $ 6,098  
Total long-lived assets 57,921   57,921   62,746
Corporate          
Segment Reporting Information [Line Items]          
Total long-lived assets $ 2,314   $ 2,314   $ 3,156