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Joint Ventures (Additional Information) (Detail) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 USD ($) joint_venture | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |
Number of joint ventures that are 50% owned | joint_venture | 2 |  |
Equity income in unconsolidated joint ventures | $ 5,501 | $ 4,898 | $ 4,146
Due from joint ventures, current | $ 1,500 | 3,700 |
Rogers INOAC Corporation (RIC) |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Ownership interest in joint venture | 50.00% |  |
Corporate Joint Venture |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Due to related parties, current | $ 2,300 | $ 2,100 |
INOAC Corporation | Rogers INOAC Corporation (RIC) |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Ownership interest in joint venture | 50.00% |  |

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