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Discontinued Operations (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jan. 29, 2021 | Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020 | Dec. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Proceeds from sale of CCLP, net of cash divested |  |  |  | $ 18 | $ 0 |  |
Gain on disposition of business |  |  |  | 120,574 | 0 |  |
Proceeds from long-term debt |  |  |  | 0 | 338,343 |  |
Repayments of long-term debt |  |  |  | 29,320 | 341,364 |  |
Proceeds on sale of property, plant, and equipment |  |  |  | 754 | 5,311 |  |
Revenue |  |  | $ 96,371 | 18,968 | 186,610 |  |
Cost of revenues |  |  | 62,494 | 11,502 | 117,013 |  |
Depreciation, amortization, and accretion |  |  | 20,116 |  | 40,025 |  |
Impairments and other charges |  |  | 8,977 |  | 14,348 |  |
General and administrative expense |  | $ 5 | 10,263 | 2,795 | 20,657 |  |
Interest expense, net |  |  | 12,982 | 4,336 | 25,546 |  |
Other expense, net |  | 121 | 4,380 | 15 | 4,798 |  |
Pretax loss from discontinued operations |  | (126) | (22,841) | 320 | (35,777) |  |
Pretax gain (loss) on disposal of discontinued operations |  |  |  | 120,574 |  |  |
Total pretax loss from discontinued operations |  |  |  | 120,894 |  |  |
Income tax provision |  |  | 947 | 30 | 1,379 |  |
Total loss from discontinued operations |  | (126) | (23,788) | 120,864 | (37,156) |  |
Loss from discontinued operations attributable to noncontrolling interest |  | 0 | 15,781 | (333) | 24,615 |  |
Loss from discontinued operations attributable to TETRA stockholders |  | (126) | (8,007) | 120,531 | (12,541) |  |
Cash and cash equivalents |  | 0 | 6,757 | 0 | 6,757 | $ 16,577 | $ 2,370
Trade receivables |  |  |  |  |  | 43,837 |
Inventories |  |  |  |  |  | 31,220 |
Other current assets |  |  |  |  |  | 5,231 |
Property, plant, and equipment |  |  |  |  |  | 551,401 |
Other assets |  |  |  |  |  | 61,740 |
Total assets associated with discontinued operations |  |  |  |  |  | 710,006 |
Assets of discontinued operations |  | 0 |  | 0 |  | 710,006 |
Trade payables |  | 1,223 |  | 1,223 |  | 20,988 |
Unearned Income |  |  |  |  |  | 269 |
Accrued liabilities and other |  | 378 |  | 378 |  | 36,898 |
Long-term debt, net |  |  |  |  |  | 638,631 |
Other liabilities |  |  |  |  |  | 37,253 |
Total liabilities associated with discontinued operations |  | 1,601 |  | 1,601 |  | 734,039 |
CSI Compressco | Discontinued Operations, Held-for-sale or Disposed of by Sale |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Proceeds from divestiture of businesses | $ 13,400 |  |  |  |  |  |
Proceeds from sale of CCLP, net of cash divested | 500 |  |  |  |  |  |
Consideration transferred | 3,100 |  |  |  |  |  |
Gain on disposition of business | $ 120,600 |  |  |  |  |  |
CSI Compressco | Discontinued Operations, Held-for-sale or Disposed of by Sale | Limited Partner [Member] |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
General partner, ownership interest | 23.10% |  |  |  |  |  |
Compression Division [Member] |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Revenue |  |  | 96,371 | 18,968 | 186,610 |  |
Cost of revenues |  |  | 62,768 | 11,474 | 117,347 |  |
Depreciation, amortization, and accretion |  |  | 20,116 |  | 40,025 |  |
Impairments and other charges |  |  | 8,977 |  | 14,348 |  |
General and administrative expense |  | 0 | 10,152 | 2,795 | 20,341 |  |
Interest expense, net |  |  | 12,982 | 4,336 | 25,546 |  |
Other expense, net |  | 121 | 4,380 | 15 | 4,798 |  |
Pretax loss from discontinued operations |  | (121) | (23,004) | 348 | (35,795) |  |
Cash and cash equivalents |  |  |  |  |  | 16,577 |
Trade receivables |  |  |  |  |  | 43,837 |
Inventories |  |  |  |  |  | 31,220 |
Other current assets |  |  |  |  |  | 5,231 |
Property, plant, and equipment |  |  |  |  |  | 551,401 |
Other assets |  |  |  |  |  | 61,740 |
Total assets associated with discontinued operations |  |  |  |  |  | 710,006 |
Trade payables |  |  |  |  |  | 19,766 |
Unearned Income |  |  |  |  |  | 269 |
Accrued liabilities and other |  |  |  |  |  | 36,318 |
Long-term debt, net |  |  |  |  |  | 638,631 |
Other liabilities |  |  |  |  |  | 37,253 |
Total liabilities associated with discontinued operations |  |  |  |  |  | 732,237 |
Compression Division [Member] | Discontinued Operations, Held-for-sale or Disposed of by Sale |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Capital expenditure, discontinued operations |  |  |  | 3,000 | 11,200 |  |
Proceeds from long-term debt |  |  |  |  | 271,800 |  |
Repayments of long-term debt |  |  |  |  | 273,900 |  |
Proceeds on sale of property, plant, and equipment |  |  |  |  | 3,600 |  |
Amortization of financing discounts, costs and gains |  |  |  |  | 1,400 |  |
Offshore Services [Member] |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Revenue |  |  | 0 | 0 | 0 |  |
Cost of revenues |  |  | (274) | 28 | (334) |  |
Depreciation, amortization, and accretion |  |  | 0 |  | 0 |  |
Impairments and other charges |  |  | 0 |  | 0 |  |
General and administrative expense |  | 5 | 111 | 0 | 316 |  |
Interest expense, net |  |  | 0 | 0 | 0 |  |
Other expense, net |  | 0 | 0 | 0 | 0 |  |
Pretax loss from discontinued operations |  | (5) | $ 163 | (28) | $ 18 |  |
Cash and cash equivalents |  |  |  |  |  | 0 |
Trade receivables |  |  |  |  |  | 0 |
Inventories |  |  |  |  |  | 0 |
Other current assets |  |  |  |  |  | 0 |
Property, plant, and equipment |  |  |  |  |  | 0 |
Other assets |  |  |  |  |  | 0 |
Total assets associated with discontinued operations |  |  |  |  |  | 0 |
Trade payables |  | 1,223 |  | 1,223 |  | 1,222 |
Unearned Income |  |  |  |  |  | 0 |
Accrued liabilities and other |  | 150 |  | 150 |  | 352 |
Long-term debt, net |  |  |  |  |  | 0 |
Other liabilities |  |  |  |  |  | 0 |
Total liabilities associated with discontinued operations |  | 1,373 |  | 1,373 |  | 1,574 |
Maritech [Member] |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Cash and cash equivalents |  |  |  |  |  | 0 |
Trade receivables |  |  |  |  |  | 0 |
Inventories |  |  |  |  |  | 0 |
Other current assets |  |  |  |  |  | 0 |
Property, plant, and equipment |  |  |  |  |  | 0 |
Other assets |  |  |  |  |  | 0 |
Total assets associated with discontinued operations |  |  |  |  |  | 0 |
Trade payables |  | 0 |  | 0 |  | 0 |
Unearned Income |  |  |  |  |  | 0 |
Accrued liabilities and other |  | 228 |  | 228 |  | 228 |
Long-term debt, net |  |  |  |  |  | 0 |
Other liabilities |  |  |  |  |  | 0 |
Total liabilities associated with discontinued operations |  | $ 228 |  | $ 228 |  | $ 228 |

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