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Summarized Financial Information of Unconsolidated Joint Ventures (Tables) | 12 Months Ended
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Dec. 31, 2018
Equity Method Investments and Joint Ventures [Abstract] |
Joint ventures accounted for under equity method of accounting |
Joint Venture | Location | Operating Segment | Fiscal Year-End
Rogers INOAC Corporation (RIC) | Japan | Elastomeric Material Solutions | October 31
Rogers INOAC Suzhou Corporation (RIS) | China | Elastomeric Material Solutions | December 31
Summarized information for joint ventures | The summarized financial information for the joint ventures for the periods indicated was as follows:
| As of December 31,
(Dollars in thousands) | 2018 |  | 2017
Current assets | $ | 38,730 |  |  | $ | 40,934 |
Non-current assets | $ | 4,839 |  |  | $ | 4,947 |
Current liabilities | $ | 6,376 |  |  | $ | 9,519 |
Shareholders' equity | $ | 37,193 |  |  | $ | 36,362 |
| For the Years Ended December 31,
(Dollars in thousands) | 2018 |  | 2017 |  | 2016
Net sales | $ | 55,465 |  |  | $ | 54,597 |  |  | $ | 47,321 |
Gross profit | $ | 21,229 |  |  | $ | 21,462 |  |  | $ | 16,829 |
Net income | $ | 11,002 |  |  | $ | 9,796 |  |  | $ | 8,292 |

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- Definition Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
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