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Segment | 3 Months Ended
--- | ---
Mar. 31, 2026
Segment Reporting [Abstract] |
Segment | 10. Segment The Company is managed on a consolidated basis with a single reportable segment, chemical manufacturing, which is not an aggregation of individual operating segments. There have been no changes in the basis of segmentation or in the basis of measurement of segment profit or loss since the filing of our 2025 Form 10-K. Information about reported segment revenue, measures of a segment’s profit or loss, significant segment expenses, and measure of a segment's assets:
|  | Three Months Ended March 31,
|  | 2026 |  | 2025
|  | (In Thousands)
Net sales |  | $169,487 |  | $143,432
Less: |  |  |  |
Cost of sales excluding depreciation, amortization and turnaround expense |  | 108,952 |  | 106,990
Depreciation and amortization |  | 20,847 |  | 20,063
Turnaround expense |  | 3,894 |  | 1,995
Total cost of sales |  | 133,693 |  | 129,048
Selling, general and administrative |  |  |  |
Wages and benefits |  | 10,335 |  | 6,219
Other selling general and administrative |  | 3,490 |  | 3,934
Total selling general and administrative |  | 13,825 |  | 10,153
Interest expense |  | 7,117 |  | 8,064
(Gain) loss from asset write-down and disposals |  | (1,061) |  | 71
Income tax benefit |  | (2,130) |  | (283)
Other segment (income) expense, net (a) |  | (1,642) |  | (1,981)
Segment net income (loss) |  | 19,685 |  | (1,640)
Reconciliation of profit or loss |  |  |  |
Adjustments and reconciling items |  | — |  | —
Consolidated net income (loss) |  | $19,685 |  | $(1,640)
_____________________________ (a) For the periods presente d, amount consisted primarily of interest and sublease income. The measure of our chemical manufacturing segment assets is reported on the condensed consolidated balance sheet as total assets. Expenditures for long-lived chemical manufacturing segment assets are reported on our condensed consolidated statement of cash flows.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-21 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name 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