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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Goodwill | The changes in the carrying amount of goodwill for the years ended December 31, 2021 and 2020 were as follows:
(in thousands) | Specialty Chemicals Segment |  | Metals Segment |  | Total
Balance December 31, 2019 | $ | 1,355 |  |  | $ | 16,203 |  |  | $ | 17,558 |
Impairment charges | — |  |  | (16,203) |  |  | (16,203) |
Balance December 31, 2020 | 1,355 |  |  | — |  |  | 1,355 |
Acquisitions | 11,282 |  |  | — |  |  | 11,282 |
Balance December 31, 2021 | $ | 12,637 |  |  | $ | — |  |  | $ | 12,637 |
Schedule of Amortization Expense for Finite-lived Intangible Assets | Estimated amortization expense for the next five fiscal years based on existing intangible assets is as follows:
(in thousands) |  |  |  |
2022 | $ | 2,884 |  |  |  |
2023 | 1,433 |  |  |  |
2024 | 1,336 |  |  |  |
2025 | 1,238 |  |  |  |
2026 | 1,141 |  |  |  |
Thereafter | 6,350 |  |  |  |
Total | $ | 14,382 |  |  |  |

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267 + Details
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