Performance Chemicals Divestiture - Income Information (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2020 |
Sep. 30, 2020 |
Jun. 30, 2020 |
Mar. 31, 2020 |
Dec. 31, 2019 |
Sep. 30, 2019 |
Jun. 30, 2019 |
Mar. 31, 2019 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Discontinued Operations [Line Items] | |||||||||||||
| Goodwill impairment charge | $ 260,000 | ||||||||||||
| Equity in net income from affiliated companies | $ 21,065 | $ 45,808 | $ 37,318 | ||||||||||
| Net (loss) income from discontinued operations, net of tax | (352,239) | $ 30,470 | $ (18,071) | $ 3,856 | $ 9,401 | $ 12,546 | $ 23,393 | $ 3,850 | (335,984) | 49,190 | 54,368 | ||
| Net income attributable to the noncontrolling interest - discontinued operations | (3,837) | 298 | 321 | 285 | 230 | 106 | 145 | 290 | (2,933) | 771 | 1,321 | ||
| Net loss attributable to Ecovyst Inc. | $ (302,434) | $ 7,514 | $ 15,925 | $ 224 | $ 19,103 | $ 26,704 | $ 30,578 | $ 3,154 | (278,771) | 79,539 | 58,300 | ||
| Performance Chemicals [Member] | |||||||||||||
| Discontinued Operations [Line Items] | |||||||||||||
| Sales | 614,704 | 670,563 | 704,503 | ||||||||||
| Cost of goods sold | 492,302 | 539,371 | 559,123 | ||||||||||
| Selling, general and administrative expenses | 43,749 | 46,007 | 46,421 | ||||||||||
| Goodwill impairment charge | 260,000 | ||||||||||||
| Operating income (loss) | (214,491) | 81,541 | 85,756 | ||||||||||
| Other operating (income) expense, net | 33,144 | 3,644 | 13,203 | ||||||||||
| Equity in net income from affiliated companies | (172) | (213) | (251) | ||||||||||
| Interest expense, net | [1] | 16,570 | 20,199 | 18,414 | |||||||||
| Other expense (income), net | (1,089) | (455) | (3,198) | ||||||||||
| (Loss) income from discontinued operations before income tax | (229,800) | 62,010 | 70,791 | ||||||||||
| Provision (benefit) for income taxes | 3,943 | 27,379 | 25,664 | ||||||||||
| Net (loss) income from discontinued operations, net of tax | (233,743) | 34,631 | 45,127 | ||||||||||
| Repayments of long-term debt | 500,000 | ||||||||||||
| Net income attributable to the noncontrolling interest - discontinued operations | (3,198) | 616 | 1,108 | ||||||||||
| Net loss attributable to Ecovyst Inc. | $ (230,545) | $ 34,015 | $ 44,019 | ||||||||||
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- Definition Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of costs of goods sold attributable to disposal group, including, but not limited to, discontinued operation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of general and administrative expense attributable to disposal group, including, but not limited to, discontinued operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of interest expense attributable to disposal group, including, but not limited to, discontinued operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of operating expense attributable to disposal group, including, but not limited to, discontinued operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of operating income (loss) attributable to disposal group, including, but not limited to, discontinued operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of other income attributable to disposal group, including, but not limited to, discontinued operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount after tax of income (loss) from a discontinued operation attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of income (loss) for proportionate share of equity method investee's income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The cash outflow to pay off borrowing used to receive debt funding on a regular basis with maturities ranging from 5-10 years. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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