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Discontinued Operations - Reconciliation of Major Classes of Assets and Liabilities of Discontinued Operations (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Discontinued Operations |  |
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract] |  |
Trade payables | $ 319 | $ 1,157
Accrued liabilities and other | 601 | 228
Total liabilities associated with discontinued operations | 920 | 1,385
Offshore Services | Discontinued Operations |  |
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract] |  |
Trade payables | 319 | 1,157
Accrued liabilities and other | 506 | 0
Total liabilities associated with discontinued operations | 825 | 1,157
Maritech |  |
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract] |  |
Trade payables | 0 |
Accrued liabilities and other | 95 |
Total liabilities associated with discontinued operations | $ 95 |
Maritech | Discontinued Operations |  |
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract] |  |
Trade payables |  | 0
Accrued liabilities and other |  | 228
Total liabilities associated with discontinued operations |  | $ 228

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