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Segment and Geographic Area Information Summarized Financial Information by Reportable Segments (Footnote) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Segment Reporting Information [Line Items] |  |  |
Restructuring and other | $ 19,597 | $ 5,877 | $ 3,838
Multiemployer Plan, Employer Contribution, Cost | 1,500 | 1,400 | 1,500
Gain on sale of property | 0 | (14,411) | 0
Loss on early extinguishment of debt | 0 | 4,829 | 0
Asset retirement obligation charges |  | 3,600 |
Non-operating pension and OPEB items | $ 40,668 | 26,970 | 5,285
Charitable contribution |  |  | 15,000
Jordan Bromine Company Limited |  |  |
Segment Reporting Information [Line Items] |  |  |
Ownership percentage | 50.00% |  |
Cost of goods sold |  |  |
Segment Reporting Information [Line Items] |  |  |
Restructuring and other | $ 700 |  | 100
Expense Relating to a Legal Matter | 1,300 |  |
Non-routine Chilean labor costs |  | 700 | 8,800
Write-off of fixed assets |  |  | 4,900
Selling, general and administrative expenses |  |  |
Segment Reporting Information [Line Items] |  |  |
Restructuring and other | 19,200 | 5,900 | 3,700
Accrual for Environmental Loss Contingencies, Revision in Estimates | 3,800 |  |
Revision of tax indemnification expense |  | 800 |
Gain on sale of property |  | (3,300) |
Write-off of uncollectable accounts receivable |  | 900 |
Settlement of terminated agreements |  | 1,000 |
Charitable contribution |  |  | 1,200
Gain related to a refund form Chilean authorities |  |  | 1,500
Other expenses, net |  |  |
Segment Reporting Information [Line Items] |  |  |
Gain (Loss) on Disposition of Other Assets | 3,600 |  |
Settlement of a legal claim | 2,500 |  |
Revision of tax indemnification expense | 9,600 | 9,800 | 19,700
Non-routine Chilean labor costs |  | 1,200 |
Gain on sale of property |  | (11,100) |
Unrecoverable vendor costs |  | 3,100 |
Asset retirement obligation charges |  | 3,600 |
Revision of previously recorded expenses of a disposed business |  |  | 5,500
Reversal of a liability from previous business |  |  | 1,500
Other expenses, net | Jordan Bromine Company Limited |  |  |
Segment Reporting Information [Line Items] |  |  |
Non-operating pension and OPEB items |  | 1,200 |
Noncontrolling Interests |  |  |
Segment Reporting Information [Line Items] |  |  |
Restructuring and other | 300 |  |
Financial Improvement Plan | Selling, general and administrative expenses |  |  |
Segment Reporting Information [Line Items] |  |  |
Multiemployer Plan, Employer Contribution, Cost | $ 3,100 | $ 1,800 | $ 2,300
Windfield Holdings |  |  |
Segment Reporting Information [Line Items] |  |  |
Ownership percentage | 49.00% | 49.00% | 49.00%
Saudi Organometallic Chemicals Company LLC [Domain] | Other expenses, net |  |  |
Segment Reporting Information [Line Items] |  |  |
Gain on Sale of Investments | $ 7,200 |  |

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