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Net Sales (Tables) | 6 Months Ended
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Jun. 30, 2019
Revenue From Contract With Customer [Abstract] |
Summary of Net Sales Disaggregated by Principal Markets | As discussed in Note 1, we primarily derive our revenues from the sales of various chemical products. The following table presents our net sales disaggregated by our principal markets, which disaggregation is consistent with other financial information utilized or provided outside of our consolidated financial statements:
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
|  | (Dollars In Thousands) |
Net sales: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Agricultural products |  | $ | 72,476 |  |  | $ | 58,024 |  |  | $ | 119,296 |  |  | $ | 110,293 |
Industrial acids and other chemical products |  |  | 37,177 |  |  |  | 32,775 |  |  |  | 75,027 |  |  |  | 70,912 |
Mining products |  |  | 11,874 |  |  |  | 12,400 |  |  |  | 21,356 |  |  |  | 22,444 |
Total net sales |  | $ | 121,527 |  |  | $ | 103,199 |  |  | $ | 215,679 |  |  | $ | 203,649 |

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- Definition Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e9031-108599 + Details
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