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Revenue from Contracts with Customers | 6 Months Ended
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Jun. 30, 2021
Revenue from Contract with Customer [Abstract] |
Revenue from Contracts with Customers | 4. Revenue from Contracts with Customers: Disaggregated Revenue The Company’s primary means of disaggregating revenues is by reportable segments, which can be found in Note 18 to these condensed consolidated financial statements. The Company’s portfolio of products is integrated into a variety of end uses, which are described in the table below.
Key End Uses | Key Products
Industrial & process chemicals | • Sulfur derivatives for industrial production
| • Treatment services
Fuels & emission control | • Refining catalysts
| • Emission control catalysts
| • Catalyst recycling services
Packaging & engineered plastics | • Catalysts for high-density polyethylene and chemicals syntheses
| • Antiblock for film packaging
| • Sulfur derivatives for nylon production
Natural resources | • Sulfur derivatives for mining
The following tables disaggregate the Company’s sales, by segment and end use, for the three and six months ended June 30, 2021 and 2020:
| Three months ended June 30, 2021
| Ecoservices |  | Silica Catalysts |  |  |  |  |  | Total
Industrial & process chemicals | $ | 18,341 |  |  | $ | — |  |  |  |  |  |  | $ | 18,341 |
Fuels & emission control(1) | 68,794 |  |  | — |  |  |  |  |  |  | 68,794 |
Packaging & engineered plastics | 14,979 |  |  | 26,215 |  |  |  |  |  |  | 41,194 |
Natural resources | 18,627 |  |  | — |  |  |  |  |  |  | 18,627 |
Total segment sales | $ | 120,741 |  |  | $ | 26,215 |  |  |  |  |  |  | $ | 146,956 |
Eliminations | (4) |  |  | — |  |  |  |  |  |  | (4) |
Total | $ | 120,737 |  |  | $ | 26,215 |  |  |  |  |  |  | $ | 146,952 |
| Three months ended June 30, 2020
| Ecoservices |  | Silica Catalysts |  |  |  |  |  | Total
Industrial & process chemicals | $ | 16,713 |  |  | $ | 2 |  |  |  |  |  |  | $ | 16,715 |
Fuels & emission control(1) | 50,682 |  |  | — |  |  |  |  |  |  | 50,682 |
Packaging & engineered plastics | 7,473 |  |  | 25,206 |  |  |  |  |  |  | 32,679 |
Natural resources | 15,565 |  |  | — |  |  |  |  |  |  | 15,565 |
Total segment sales | $ | 90,433 |  |  | $ | 25,208 |  |  |  |  |  |  | $ | 115,641 |
|  | Six months ended June 30, 2021
|  | Ecoservices |  | Silica Catalysts |  |  |  |  |  | Total
Industrial & process chemicals |  | $ | 35,288 |  |  | $ | — |  |  |  |  |  |  | $ | 35,288 |
Fuels & emission control(1) |  | 123,987 |  |  | — |  |  |  |  |  |  | 123,987 |
Packaging & engineered plastics |  | 25,600 |  |  | 52,617 |  |  |  |  |  |  | 78,217 |
Natural resources |  | 36,088 |  |  | — |  |  |  |  |  |  | 36,088 |
Total segment sales |  | $ | 220,963 |  |  | $ | 52,617 |  |  |  |  |  |  | $ | 273,580 |
Eliminations |  | (4) |  |  | — |  |  |  |  |  |  | (4) |
Total |  | $ | 220,959 |  |  | $ | 52,617 |  |  |  |  |  |  | $ | 273,576 |
|  | Six months ended June 30, 2020
|  | Ecoservices |  | Silica Catalysts |  |  |  |  |  | Total
Industrial & process chemicals |  | $ | 36,072 |  |  | $ | 49 |  |  |  |  |  |  | $ | 36,121 |
Fuels & emission control(1) |  | 106,393 |  |  | — |  |  |  |  |  |  | 106,393 |
Packaging & engineered plastics |  | 18,206 |  |  | 50,023 |  |  |  |  |  |  | 68,229 |
Natural resources |  | 30,452 |  |  | — |  |  |  |  |  |  | 30,452 |
Total segment sales |  | $ | 191,123 |  |  | $ | 50,072 |  |  |  |  |  |  | $ | 241,195 |
(1)As described in Note 1, the Company experiences seasonal s ales fluctuations to customers in the fuels & emission control end use. Contract Assets and Liabilities A contract asset is a right to consideration in exchange for goods that the Company has transferred to a customer when that right is conditional on something other than the passage of time. A contract liability exists when the Company receives consideration in advance of performance obligations being satisfied. The Company has no contract assets or liabilities on its condensed consolidated balance sheets as of June 30, 2021 and December 31, 2020.

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI http://asc.fasb.org/topic&trid=49130388 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130551-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130556-203045 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130550-203045 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130558-203045 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045 + Details
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