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

SEGMENT AND GEOGRAPHIC AREA INFORMATION - Schedule Of Reconciliation of Operating Profit (Loss) from Segments to Consolidated (Details)

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SEGMENT AND GEOGRAPHIC AREA INFORMATION - Schedule Of Reconciliation of Operating Profit (Loss) from Segments to Consolidated (Details) - USD ($)
$ in Thousands
 9 Months Ended 12 Months Ended
Dec. 31, 2022
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Total operating income $ 29,871 $ 132,608 $ 60,751  
Interest income 1,651 8,901 8,646  
Interest expense, net (30,707) (37,581) (41,417)  
Other, net 20,264 (1,865) (9,968)  
Total other income (expense), net (8,792) (30,545) (42,739) $ (6,036)
Income before income taxes 21,079 102,063 18,012  
Offshore Energy Services        
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Total operating income 16,008 132,165 45,613  
Government Services        
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Total operating income 29,726 21,070 29,610  
Other Operating Segment        
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Total operating income 6,456 13,747 15,398  
Corporate        
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Total operating income $ (22,319) $ (34,374) $ (29,870)