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Supplemental Schedules Supplemental Condensed Statements of Operations (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Condensed Income Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cost of revenues |  |  |  |  |  |  |  |  | $ 720,554 | $ 643,347 | $ 940,909
Depreciation, amortization, and accretion |  |  |  |  |  |  |  |  | 116,159 | 129,595 | 155,015
General and administrative expense |  |  |  |  |  |  |  |  | 121,905 | 115,964 | 157,812
Goodwill impairment |  |  |  |  |  |  |  |  | 0 | 106,205 | 177,006
Interest expense |  |  |  |  |  |  |  |  | 57,246 | 58,626 | 54,475
Other (income) expense, net |  |  |  |  |  |  |  |  | 633 | 3,559 | 6,081
Provision (benefit) for income taxes |  |  |  |  |  |  |  |  | 1,200 | 2,303 | 7,704
Net income (loss) attributable to TETRA stockholders | $ (28,739) | $ 3,145 | $ (10,991) | $ (2,463) | $ (31,554) | $ (15,009) | $ (26,574) | $ (88,325) |  | (161,462) | (126,183)
Net income (loss) | $ (34,974) | $ (1,338) | $ (14,619) | $ (11,252) | $ (38,410) | $ (24,028) | $ (29,224) | $ (147,731) | (62,183) | (239,393) | (209,467)
Parent Company [Member] |  |  |  |  |  |  |  |  |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales and gross revenues |  |  |  |  |  |  |  |  | 247,558 | 163,232 | 314,567
Cost of revenues |  |  |  |  |  |  |  |  | 161,608 | 119,350 | 189,362
Depreciation, amortization, and accretion |  |  |  |  |  |  |  |  | 21,269 | 25,922 | 50,708
General and administrative expense |  |  |  |  |  |  |  |  | 57,840 | 49,687 | 69,925
Interest expense |  |  |  |  |  |  |  |  | 16,917 | 22,550 | 19,901
Other (income) expense, net |  |  |  |  |  |  |  |  | (17,656) | 4,247 | 1,097
Income (loss) before taxes and discontinued operations |  |  |  |  |  |  |  |  | (62,794) | (240,304) | (208,668)
Provision (benefit) for income taxes |  |  |  |  |  |  |  |  | (611) | (911) | 799
Net income (loss) attributable to TETRA stockholders |  |  |  |  |  |  |  |  | (62,183) | (239,393) | (209,467)
Equity in net income of subsidiaries |  |  |  |  |  |  |  |  | $ 70,374 | $ 181,780 | $ 192,242

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