Annual report [Section 13 and 15(d), not S-K Item 405]

SEGMENT AND GEOGRAPHIC AREA INFORMATION - Schedule of Capital expenditures by segment And Long lived assets by operating segments (Details)

v3.25.4
SEGMENT AND GEOGRAPHIC AREA INFORMATION - Schedule of Capital expenditures by segment And Long lived assets by operating segments (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Segment Reporting Information [Line Items]      
Total capital expenditures $ 142,021 $ 255,393 $ 81,507
Long-lived assets 1,394,334 1,340,491 1,215,705
Construction-in-progress      
Segment Reporting Information [Line Items]      
Long-lived assets 144,587 244,181 99,320
Total Segment      
Segment Reporting Information [Line Items]      
Long-lived assets 1,247,689 1,093,154 1,112,314
Offshore Energy Services      
Segment Reporting Information [Line Items]      
Total capital expenditures 44,710 57,501 22,260
Long-lived assets 567,284 596,687 624,192
Government Services      
Segment Reporting Information [Line Items]      
Total capital expenditures 87,905 189,311 50,119
Long-lived assets 620,820 433,721 427,317
Other Services      
Segment Reporting Information [Line Items]      
Total capital expenditures 9,406 8,581 9,128
Long-lived assets 59,585 62,746 60,805
Corporate      
Segment Reporting Information [Line Items]      
Long-lived assets $ 2,058 $ 3,156 $ 4,071