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Discontinued Operations - Loss from Discontinued Operations (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
General and administrative expense |  |  |  | $ 533
Pretax loss from discontinued operations |  |  |  | (559)
Pretax gain on disposal of discontinued operations |  |  |  | 829
Total pretax income from discontinued operations |  |  |  | 270
Income (loss) from discontinued operations, net of taxes | $ (48) | $ 319 | $ (68) | 270
Income from discontinued operations attributable to TETRA stockholders |  |  |  | 270
Cost of revenues |  |  |  | 54
Other income, net |  |  |  | (28)
Offshore Services |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
General and administrative expense |  | 510 |  | 533
Pretax loss from discontinued operations |  | (510) |  | (587)
Pretax gain on disposal of discontinued operations |  | 829 |  |
Total pretax income from discontinued operations |  | 319 |  |
Income (loss) from discontinued operations, net of taxes |  | $ 319 |  |
Cost of revenues |  |  |  | 54
Other income, net |  |  |  | 0
Maritech |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
General and administrative expense |  |  |  | 0
Pretax loss from discontinued operations |  |  |  | 28
Cost of revenues |  |  |  | 0
Other income, net |  |  |  | $ (28)

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