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Discontinued Operations - Reconciliation of Major Classes of Assets and Liabilities of Discontinued Operations (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Discontinued Operations    
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]    
Trade payables $ 0 $ 319
Accrued liabilities and other 0 601
Total liabilities associated with discontinued operations 0 920
Offshore Services | Discontinued Operations    
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]    
Trade payables 0 319
Accrued liabilities and other 0 506
Total liabilities associated with discontinued operations 0 825
Maritech    
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]    
Trade payables 0  
Accrued liabilities and other 0  
Total liabilities associated with discontinued operations $ 0  
Maritech | Discontinued Operations    
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]    
Trade payables   0
Accrued liabilities and other   95
Total liabilities associated with discontinued operations   $ 95